A racecar's motion is shown in the graph. If the race car begins moving faster how old a line on the graph change?
A. It would become steeper
B.It would become horizontal
C.It woukd go down instead of up
D.It would go up and then go down
Answers
Related Questions
Explian how it is possible with two prisms to produce dispersion without deviation and deviation without dispersion ?
Answers
What forces come in pairs?
Answers
Answer:
Newton's Third Law of Motion
Explanation:
it explains that forces always come in action-reaction pairs. The Third Law states that for every action force, there is an equal and opposite reaction force
Answer:
newtons third law of motion
Explanation:
newtons third law of motion explains that forces always come in action-reaction pairs
A silver tea spoon is placed in a cup filled with hot tea. After some time, the exposed end of the spoon becomes hot even without a
direct contact with the liquid. This phenomenon can be explained by:
Answers
Answer:
As atoms in the spoon vibrates about their equilibrium positions and transfer energy form one end to other end. This process is called conduction.
A charge of +5.0 x 10-6 C is situated 0.2 meters away from another isolated charge of -3.0 x 10-6 C. What is the magnitude of the electric force that these charges exert on each other? Is this a repulsive or attractive force?
Answers
Answer:
since the charges are of different nature it's a attractive force
Explanation:
magnitude of force=
9*10^9*5*10^-6*3*10^-6/0.04
= 3.375N answer
A spacecraft is traveling with a velocity of v0x=5110 m/s along the +x direction. Two engines are turned on for a time of 756 s. One engine gives the spacecraft an acceleration in the +x direction of ax=1.73 m/s2, while the other gives it an acceleration in the +y direction of ay=8.72 m/s2. At the end of the firing, what is a ) vx and b ) vy ? (a) Number Units (b) Number Units eTextbook and Media Hint Attempts: 0 of 4 used Using multiple attempts will impact your score. 50% score reduction after attempt 3
Answers
At the end of the engine firing, the spacecraft's velocity in the x-direction (vx) is approximately 6416.88 m/s, and in the y-direction (vy) is approximately 6592.32 m/s. These values are obtained by applying the given accelerations and time to the initial velocity components in the respective directions.
(a) At the end of the firing, the velocity in the x-direction (vx) can be calculated by multiplying the acceleration (ax) in the x-direction by the time (t) of engine firing and adding it to the initial velocity (v0x).
Given:
Initial velocity (v0x) = 5110 m/s
Acceleration in the x-direction (ax) = 1.73 m/s²
Time (t) = 756 s
Using the equation:
vx = v0x + ax * t
Substituting the given values:
vx = 5110 m/s + 1.73 m/s² * 756 s
Calculating:
vx = 5110 m/s + 1306.88 m/s
vx ≈ 6416.88 m/s
Therefore, the velocity in the x-direction at the end of the firing is approximately 6416.88 m/s.
(b) At the end of the firing, the velocity in the y-direction (vy) can be calculated by multiplying the acceleration (ay) in the y-direction by the time (t) of engine firing and adding it to the initial velocity (v0y). Since no initial velocity is provided in the question, we assume it to be zero.
Given:
Acceleration in the y-direction (ay) = 8.72 m/s²
Time (t) = 756 s
Using the equation:
vy = ay * t
Substituting the given values:
vy = 8.72 m/s² * 756 s
Calculating:
vy ≈ 6592.32 m/s
Therefore, the velocity in the y-direction at the end of the firing is approximately 6592.32 m/s.
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if the front sprocket (driver) is rotating at 100 rpm: a) what is the angular speed of the back (driven) sprocket?
Answers
The calculated value is 240 rpm. The driving sprocket is the one fastened to the pedals or the engine crankshaft, and the driven sprocket is the one fastened to the back wheel.
Omega is the symbol for angular speed, the angle of rotation is stated in radians, and the time required to complete the rotation is t. Sprocket ratio equals T1/T2.
The sprocket ratio is 20/80
= 1/4
= 1:4, or simply 4,
if the front and rear sprockets on a bicycle each have 20 teeth.
Ratio of the sprockets is T1/T2 = V1/V2.
When the driving sprocket is turned at 60 revolutions per minute, the rear wheel and sprocket spin at:
V2 = 240 rpm;
1/4 = 60/V2 rpm.
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Which of these is most likely to be a centrifugal force within the EU in the future?
Answers
Among the given options, cultural differences are most likely to be the centrifugal force within the EU in the future. The EU is a political and economic union of 27 member states, and cultural differences among its member states have always been present.
With the increasing number of immigrants from different parts of the world, the cultural differences among EU member states are becoming more prominent. Each member state has its unique language, history, customs, and traditions, which can create misunderstandings and conflicts among the member states.
The EU aims to promote unity and solidarity among its member states, but cultural differences can lead to a lack of understanding and trust between them. The EU's diverse cultural heritage is both a strength and a challenge for the union. The EU needs to find a way to respect the cultural diversity of its member states while maintaining its unity.
However, the cultural differences among the member states can still cause tensions and conflicts in the future. Therefore, it is crucial for the EU to continue to foster cultural awareness and understanding among its member states to maintain the union's cohesion and stability.
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complete question:
Which of these is most likely to be a centrifugal force within the EU in the future?
a. trade barriers
b. closed borders
c. pollution problems
d. cultural differences
Suppose you needed to push a 1,500-N sofa up a frictionless ramp with a 30° angle. How much force would you have to apply to the sofa?Show your work below.
Answers
Answer:
1299N
Explanation:
GIven data
Weight W= 1500N
Angle Ф= 30°
The applied force up the frictionless ramp is gotten by applying the formula below
F= WcosФ
substitute
F=1500 cos 30
F = 1500*0.8660
F= 1299N
Hence the applied force is 1299N
How does an increase in thermal energy affect the particle motion in each state of matter?
Answers
Answer:
Explanation:
A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. The particles in solids vibrate about fixed positions; even at very low temperatures. Individual particles in liquids and gases have no fixed positions and move chaotically.
a strong magnetic field prevented the creation of what
Answers
A strong magnetic field prevented the creation of charged particles or ions.
This is because the magnetic field exerts a force on charged particles, causing them to move in a circular path around the field lines, which in turn prevents them from combining and forming new particles or ions.
A strong magnetic field can have various effects on the physical and chemical processes occurring within a system, and can sometimes prevent the creation or modification of certain materials or structures.
One example of this is in the field of material science and engineering, where magnetic fields can be used to control the growth and alignment of crystalline structures in materials.
In some cases, a strong magnetic field can prevent the creation of certain materials altogether.
For example, when attempting to produce graphene using chemical vapor deposition (CVD), a strong magnetic field can disrupt the growth process and prevent the formation of the desired structure.
This is because the magnetic field can affect the movement and orientation of the precursor molecules, leading to a non-uniform growth pattern and the formation of defects in the graphene lattice.
Similarly, in certain chemical reactions, a strong magnetic field can alter the rate and outcome of the reaction, making it difficult or impossible to create certain products.
This is because the magnetic field can affect the spin states of the reacting molecules and alter their reactivity and selectivity.
Overall, a strong magnetic field can have significant and sometimes unpredictable effects on the creation and modification of materials and chemicals, and must be carefully considered and controlled in many research and industrial processes.
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Problem #1- In the first scene in which Miss Clark appears, she is supposed to be wearing a BLACK dress.
The only available dress that will fit the student playing this role is RED. There is no money in the budget to
purchase another dress. What can be done to the lighting on the stage to make the RED dress APPEAR
BLACK?
Answers
Answer:
Blue Lighting
Explanation:
In order to make red look black, you must use blue light. The blue would be absorbed and there would be no red light to reflect.
Answer:
You would have to shine green Light on the actress to make the dress appear to be red.
Explanation:
The reason it would appear to be red is because green reflects the red colour and absorbs the rest. So, when green light is shone on the dress, it absorbs all of the green light and not reflecting anything.The dress then appears to beblack.
Please help with one and two (no links) will give brainleast
Answers
Answer:
1. B
2. C
WELCOME!!
Explanation:
I have had the same thing for school and I got it correct :(
An 8 kg toddler is running at a speed of 10 m/s.
how much energy does he have?
Answers
KE=1/2mv^2
so we know the mass (m) which is 8kg
we also know the velocity (v) which is 10 m/s
so we plug that into the equation and it should look like this - 1/2(8kg)(10m/s)^2 now we solve
so 1/2 x 8 = 4 so then we just do (4)(10)^2 which gets us 400.
Since kinetic=Joules
The answer is 400 J
If a 50 N force was applied to a really massive object as well as a tiny object, what can you say
about the object's acceleration?
Answers
Answer:
The tiny object's acceleration will be much greater.
Explanation:
Because of Newton's second law of motion, (which is F=ma or Force= Mass*acceleration), then if the force maintains the same (which in this case it does, because it says 50 N to both obejcts) and one mass was much greater than the other, then the ould be less for the more massive object and much greater for the lighter object.
For example: If 50 N were applied to a 500 kg object and a 50 kg object, then theformulas for each (respectively) are:
50 = 500*acceleration
and
50 = 50*acceleration
(Because of Newtons Second Law of Motion)
Then, solving for the equations, we get for equation 1:
Acceleration = .1 m/s^2
And for equation 2:
Accleration = 1 m/s^2
Thus, you can see that more massive objects (when applied he same amount of force as the smaller object) clearly have less accleration than the smaller objects.
Step 3: Create your graphs. a) Decide how many graphs you will need to show the energy transformation. b) You should have at least 3 graphs, so that the steps of the transformation will be clear. c) Each graph should be clearly labeled. d) Careful use of color on your graphs will make them easy to read and understand. It's for Edge. Project: Energy Transformation Poster. Thank you!
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The pattern of isobars are used to depict the location of high and low ________ areas on a weather map.
Answers
Answer:
Pressure
Explanation:
Weight and baro is bar which is latin for weight
Answer:
As the other said it was weather
Explanation:
I got it correct on edge and I'm in a timed test so unable to explain give other person brainliest if you haven't
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Stay safe!
Which statement about diffraction is correct?
O The amplitudes of two waves combine to appear as one big wave.
O Sound waves bend around the corners of various obstacles.
O The amplitudes of two waves combine to appear as a wave smaller than the individual waves.
O Sound waves can only travel in straight lines.
Answers
Answer:
Sound waves bend around the corners of various obstacles.
Explanation:
I took the test
A wood box beam designed to support a point Vmid load placed centrally It is constivitced of four boards (ti =30 mm,d=250 mmt2=40 mm,b=150 mm ) in the configuration shown below. The boards are joined by placing wood screws at regular intervals, Δx, in the four locations indicated. The screws have an allowable shear force capacity of V5=1.2kN each. Determine the maximum longitudinal screw spacing, Δx, if the beam is to be designed for a maximum force Vmid =20kN.
Answers
A wood box beam is designed to support a centrally placed point Vmid load. It is constructed using four boards (ti = 30 mm, d = 250 mm, t2 = 40 mm, b = 150 mm) as shown below. The boards are joined by placing wood screws at regular intervals Δx at the four locations indicated.
Each screw has an allowable shear force capacity of V5 = 1.2 kN. We need to determine the maximum longitudinal screw spacing Δx for the beam to be designed for a maximum force Vmid = 20 kN.A box beam is constructed by nailing or screwing several pieces of lumber or engineered lumber together, resulting in a stronger, deeper, and stiffer beam than a single piece of lumber of the same size and material would provide.
The maximum force that a box beam can support is determined by calculating the moment of inertia of the beam, which depends on its dimensions, materials, and configuration.
To find the maximum longitudinal screw spacing Δx, we must first calculate the maximum moment of inertia of the beam, which is given by the formula:I = (n/12) * (b * h^3 - (b - 2t2) * (h - 2t1)^3)where n is the number of boards, b is the width of the beam, h is the height of the beam, t1 is the thickness of the board, and t2 is the thickness of the top and bottom boards.
The height of the beam is given by:h = n * d = 4 * 250 mm = 1000 mmThe maximum moment of inertia of the beam is given by:I = (4/12) * (150 mm * 1000 mm^3 - (150 mm - 2 * 40 mm) * (1000 mm - 2 * 30 mm)^3)I = 9.84 * 10^8 mm^4The maximum longitudinal screw spacing Δx can be calculated using the formula:Δx = Vmid / (2 * n * V5 * (I / h^2))^0.5where Vmid is the maximum force that the beam can support, n is the number of boards, V5 is the allowable shear force capacity of each screw, I is the maximum moment of inertia of the beam, and h is the height of the beam.
Substituting the given values, we get:Δx = 20 kN / (2 * 4 * 1.2 kN * (9.84 * 10^8 mm^4 / 1000 mm^2))^0.5Δx = 78.2 mm. Therefore, the maximum longitudinal screw spacing Δx for the beam to be designed for a maximum force Vmid = 20 kN is 78.2 mm.
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Butter is a fat that is a solid at room temperature. What type of fatty acid does butter contain? how do you know?.
Answers
Because saturated fatty acids are solid at normal temperature whereas unsaturated fatty acids are liquid, butter includes saturated fatty acids.Additionally, it has an animal source—a cow.
What kind of fatty acids are solid like butter at room temperature?A solid at room temperature, saturated fat.It is mostly present in meals made from animal products, including meat, butter, milk, and cheese, as well as in coconut oil, palm oil, and cocoa butter.Your cholesterol may rise as a result of saturated fat. With more than 400 distinct fatty acids, butter is one of the most complex dietary fats.It has a reasonable quantity of monounsaturated fatty acids (around25%) but is highly high in saturated fatty acids (about 70%). In contrast, butter has higher saturated fat because it is made from animal fat.However, not all margarines are made equally; some include trans fat.Margarine generally contains more trans fat when it is more solid. Unsaturated fats, which are liquid at room temperature, are considered beneficial fats because they can improve blood cholesterol levels, ease inflammation, stabilize heart rhythms, and play a number of other beneficial roles.Medium and short chain fatty acids are present in both butter and ghee.These quickly digestible fatty acids make up 89% of the saturated fat in ghee, with linoleic acid accounting for the remaining 3%.Medium and short chain fatty acids are metabolized quite differently by the body than are long chain fatty acids. The animal fats in butter have greater quantities of saturated and trans fats since it is made from churned milk or cream.These fats can result in reduced amounts of high-density lipoprotein (HDL), the "good" cholesterol that clears arteries, higher cholesterol, and a higher risk of heart disease.To learn more about fatty acid refer
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Saturated fatty acid.
The butter contains fatty acid that is saturated.
Explain saturated fatty acid?Saturated fatty acids come from both animal fats and plant oils.Because it is a saturated fatty acid and contains 70% of It, butter is a solid at room temperature fat. Butter is derived from cows, which is an animal source.Unsaturated fatty acids are fats that are liquid at room temperature. Saturated fatty acids and unsaturated fatty acids have different molecular structures because saturated fatty acids lack double bonds while unsaturated fatty acids contain at least one double bond.Unsaturated fatty acids are branched, whereas saturated fatty acids are linear and unbranched.As a result, butter is high in saturated fatty acids.
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How high up did the waitress lift the 21.96 N tray when she did 97.91 J of work on it for 3 s? Please help!! fast!
Answers
It will be like over 2.4353m
A box of mass 8.0 kg is lifted from the ground and placed on a shelf. The box gains 100J of potential energy. The box falls off the shelf. Air resistance can be ignored. At what speed does the box hit the ground?
A 3.5m/s
B 5.0m/s
C 25m/s
D 28m/s
HELP
Answers
Explanation:
\(pe = mgh \: \\ taking \: g \: as \: 10ms^{ - 2} \\ 100 = 8.0 \times 10 \times h \\ h = 1.25m \\ \\ using \: newtons \: third \: equation \\ v^{2} = u^{2} + 2gh \\ where \: v \: is \: final \: velocity \: and \: u \: is \: initial \: velocity \: = 0 \\ v^{2} = 0 + 2 \times 10 \times 1.25 \\ = 25 \\ v = 5.0ms^{2} \)
What is the equation for finding the amount of inertia in forces and motion? Explain how you solve that equation.
Answers
Answer:
Inertia = angular momentum / angular velocity
A shark is cruising at 4 m/s when it sees a fish straight
ahead. The shark increases its speed to 9 m/s in 2
seconds. How far does the shark travel in this time?
Answers
Answer:
Distance, S = 13m
Explanation:
Given the following data;
Initial velocity, u = 4m/s
Final velocity, v = 9m/s
Time, t = 2 seconds
To find the distance, S;
First of all, we would determine the acceleration of the shark.
Acceleration = (v - u)/t
Acceleration = (9 - 4)/2
Acceleration = 5/2
Acceleration = 2.5m/s²
Now, to find the distance we would use the second equation of motion
S = ut + ½at²
Substituting into the equation, we have
S = 4(2) + ½*2.5*2²
S = 8 + 1.25*4
S = 8 + 5
Distance, S = 13m
A transverse wave with a frequency of 125 Hz is traveling in the x-direction. An illustration of a transverse wave with the distance from the high point to the low point labeled 5 centimeters and the vertical distance from the high point of the wave to the low point of the wave labeled 12 m. How long will it take this wave to travel 3000 m in the x-direction? 0. 42 seconds 2. 0 seconds 2. 4 seconds 4. 8 seconds.
Answers
The time it takes for a wave to travel a certain distance can be calculated using the wave speed formula: time = distance / wave speed. To find the wave speed, we need to determine the wavelength of the wave.
In the given illustration, the distance from the high point to the low point is labeled as 5 centimeters, which represents the amplitude of the wave. The vertical distance from the high point to the low point of the wave is labeled as 12 m, which represents twice the amplitude or the peak-to-peak distance.
To find the wavelength, we double the amplitude:
Wavelength = 2 *amplitude = 2 * 5 cm = 10 cm = 0.1 m
Now, we need to calculate the wave speed using the formula: wave speed = frequency * wavelength.
Wave speed = 125 Hz * 0.1 m = 12.5 m/s
Finally, we can calculate the time it takes for the wave to travel 3000 m using the formula: time = distance / wave speed.
Time = 3000 m / 12.5 m/s ≈ 240 seconds
Therefore, the wave will take approximately 240 seconds to travel 3000 m in the x-direction.
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What is the heat that is released into the atmosphere when energy is changed into mechanical energy called?
Answers
Answer:
thermal pollution
Explanation:
took exam!
When the heat is discharged into the atmosphere then energy is changed into mechanical energy is known as Thermal pollution.
What is Thermal pollution?
When Thermal pollution is the degradation of water differentia by any procedure that changes ambient water temperature.
A typical motivation for thermal pollution is the usefulness of water as a coolant by power plants and industrial manufacturers.
When the water utilized as a coolant is returned to the biological environment at a more elevated temperature, the sudden transformation in temperature lowers the oxygen supply and affects ecosystem composition.
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13. The graph below represents the speed of a car vs. time. Circle the letter(s) with the lowest acceleration.
What is the acceleration? How do you know?
Answers
Answer:
acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities. The orientation of an object's acceleration is given by the orientation of the net force acting on that object.
Explanation:
Calculating acceleration involves dividing velocity by time — or in terms of SI units, dividing the meter per second [m/s] by the second [s]. Dividing distance by time twice is the same as dividing distance by the square of time. Thus the SI unit of acceleration is the meter per second squared .
the force required to lift a load of 800 Newton by using a Lever having a mechanical advantage of 1.6 is
Answers
Answer:force required to lift the load = 500N
Explanation:
Mechanical advantage for a lever is given by the formulae
= force output/force input
or
Mechanical Advantage = Load / Effort
where
Force output / Load= 800 N
mechanical advantage = 1.6
Force input / Effort =??
Force input= Force output /Mechanical advantage
= 800N / 1.6
=500N
OR
Effort = Load/ Mechanical Advantage = 800/ 1.6 = 500N
Calculate parcel temperatures for all windward and lee-side levels and explain your calculations. What would happen to the parcel (size, Ta, relative humidity [RH]), and how would it change as it ascends the windward side and descends the lee side? What would the parcel temperature be at 1,000 m on the windward side, at the peak, 1,000 m on the lee side, and at the lee base? Why would the temperatures be different at the same levels on each side of the mountain?
Answers
At 1000m above sea level lies the mountain's peak, with an assumed median value of Ta (air temperature) equaling 20°C at the beginning zone.
How to solveAs wind passes over a mountain, the temperature undergoes changes due to the altitude it reaches during its rise and fall.
At 1000m above sea level lies the mountain's peak, with an assumed median value of Ta (air temperature) equaling 20°C at the beginning zone.
Alongside this, about 80% relative humidity is expected in this range. The two types of adiabatic lapse rates become essential as we shift towards the cooler, i.e., the windward side or warmer lee side when climbing up/down the mountain.
Locations on these sides show different temperatures caused by their distinct warming/cooling rates; thus, modifying sizes, temperature levels, and moisture content of the air particles transported throughout the region.
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a 10.0 g bullet is moving to the right with speed 220 m/s when it hits a target and travels an additional 24.2 cm into the target. what are the magnitude (in n) and direction of the stopping force acting on the bullet? assume the stopping force is constant.
Answers
Since the bullet was moving to the right, the stopping force will act to the left.
So, the magnitude of the stopping force is 2.2 N, and its direction is to the left.
To determine the magnitude of the stopping force acting on the bullet, we can use the principle of impulse and momentum. The impulse experienced by an object is equal to the change in momentum it undergoes. Mathematically, impulse is given by the equation:
Impulse = Change in momentum
The momentum of an object is given by the product of its mass and velocity:
Momentum = mass × velocity
In this case, the bullet is initially moving to the right with a speed of 220 m/s. After hitting the target, it travels an additional 24.2 cm into the target, which means its final velocity is zero (since it stops). Let's calculate the initial and final momenta.
Initial momentum = mass × initial velocity
= 0.010 kg × 220 m/s
= 2.2 kg·m/s
Final momentum = mass × final velocity
= 0.010 kg × 0 m/s
= 0 kg·m/s
The change in momentum is equal to the initial momentum minus the final momentum:
Change in momentum = Final momentum - Initial momentum
= 0 kg·m/s - 2.2 kg·m/s
= -2.2 kg·m/s
Since momentum is a vector quantity, the negative sign indicates that the bullet's momentum has reversed direction.
Impulse = Force × Time
Since the stopping force is constant, the time over which it acts is not given explicitly. However, since we are only interested in the magnitude of the force, we can assume that the time of impact is very small, so we can neglect it in this calculation.
Therefore, the magnitude of the stopping force is given by:
Force = Impulse / Time
Since the impulse is equal to the change in momentum (-2.2 kg·m/s) and the time is assumed to be very small, we can say that the magnitude of the stopping force is approximately 2.2 N.
As for the direction of the stopping force, it is opposite to the initial direction of the bullet's motion.
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Which two terms best describe the gravitational force?
strongest, repulsive
weakest, repulsive
strongest, attractive
weakest, attractive
Answers
Answer:
D. Weakest, Attractive
Explanation:
Gravitational Force is the weakest force out of the four forces, and Gravity attracts objects towards another so the answer has to be D.
Got this correct on Edge 2021.
Hope this helped!
Answer:
D
Explanation:
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