Answer:
D. both physical and mental health
Explanation:
because if you cant mentally function then you wont have the desire to be physical and if your not physical then your not mentally well and you get all depressed.
Determine the direction of the magnetic field of the current-carrying wire.
The direction of the magnetic field of a current-carrying wire can be determined using the right-hand rule.
This rule states that if you wrap your right-hand fingers around the wire in the direction of the current flow, with your thumb pointing in the direction of the wire, your curled fingers will point in the direction of the magnetic field.
So, to detail ans this question, we need to know the direction of the current flow in the wire in order to determine the direction of the magnetic field.
To determine the direction of the magnetic field of a current-carrying wire, you can follow these steps using the Right-Hand Rule:
Straighten your right hand with your thumb pointing up.
Wrap your fingers around the wire with your thumb pointing in the direction of the conventional current (from positive to negative).
The direction in which your fingers curl around the wire represents the direction of the magnetic field.
So, to determine the direction of the magnetic field of the current-carrying wire, simply apply the Right-Hand Rule.
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What is the freezing point of a solution containing 8.1 grams of HBr in 100g water?
The freezing point of the solution is - 3.53°C, when the concentration of the solute is 8.1 gm and water is 100gm.
What is the Freezing point?The temperature at which a liquid turns into a solid under normal atmospheric pressure is known as the freezing point. A melting point, on the other hand, is the temperature at which a solid turns into a liquid at ordinary atmospheric pressure. The temperature at which solid and liquid phases coexist in equilibrium is a more precise definition of the freezing point. The temperature at which a substance melts (or freezes) at one atmosphere of pressure is known as the normal freezing point.
What is Concentration?The amount of solute contained in a specific amount of solution is the substance's concentration. The number of moles of solute in 1 L of solution, or molarity, is used to express concentrations.
Calculations:The concentration of Solute = 8.1gm and water = 100 gms, α = 0.9
We know that,
ΔTf = i(Kf)m
= 1 + (n-1)α × 1.86 × 8.1/80 × 100/100
ΔTf = 1.91.861 = 3.53°C.
now, the freezing point of the solution = 0 - 3.53 = -3.53°C.
Hence, the freezing point of the solution is - 3.53°C, when the concentration of the solute is 8.1 gm and water is 100gm.
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the speed of sound depends on a. its amplitude. b. the medium in which it travels. c. its frequency. d. all of the above e. none of the above
The speed of sound depends on the medium in which it travels, but not on its amplitude or frequency.
The speed of sound is primarily influenced by the properties of the medium through which it propagates, making option b. the correct answer. The density, elasticity, and temperature of the medium determine how quickly sound waves can travel through it. For example, sound travels faster in denser mediums, such as solids, compared to less dense mediums like liquids and gases.On the other hand, the amplitude (the intensity or loudness) and frequency (the number of oscillations or cycles per second) of a sound wave do not directly affect its speed. Changes in amplitude and frequency can alter the perception of sound, but they do not impact the speed at which sound travels through a given medium.
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HELP QUICKLY PLEASE!!!!!
A car with a mass of 1350 kg is cruising at 35 mi/hr. How much momentum does it have?
This question involves the concepts of momentum, velocity, and mass.
The momentum of the car is "21122.6 N.s".
MOMENTUM:Momentum is defined as the quantity of motion contained in a body. Mathematically, it is defined as the product of the mass and velocity of a body.
\(P=mv\)
where,
P = Momentum of the car = ?m = mass of the car = 1350 kgv = velocityof the car = 35 mi/hr\((\frac{1609.34\ m}{1\ mi})(\frac{1\ hr}{3600\ s})\) = 15.65 m/sTherefore,
\(P=(1350\ kg)(15.65\ m/s)\)
P = 21122.6 N.s
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Which has more inertia?
A human or an elephant and explain why?
Answer:
A human
Explanation:
An elephant weighs more, therefore it's gravitational pull by Earth impacts it more than a human.
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Answer:
Explanation:
Think of it this way: An elephant has more inertia than a human. It is much harder to push an elephant across a floor than it is a human, and much harder to stop the elephant once it is moving. Therefore, by definition, an elephant has more mass than a human.
A block ha a ma of 10 kg. If a force of 85 N i exerted at an angle 60 degree relative to the horizontal, and a econd force of unknown magnitude i exerted in the oppoite direction traight, and the block accelerate at 2 m/^2 to the right,
The magnitude of force acting on the opposite direction of the block of mass 10 kg that has an acceleration of 2 m / s² is 22.5 N
Let the force of 85 N be F1 and the force acting on the opposite direction be F2.
Resolving F1 into its horizontal component,
F1x = F1 cos θ
F1x = 85 cos 60°
F1x = 85 * 0.5
F1x = 42.5 N
∑ Fx = m a
F1x - F2 = 10 * 2
42.5 - F2 = 20
F2 = 22.5 N
Therefore, the magnitude of force is 22.5 N
The given question is incomplete. The complete question is:
A block has a ma of 10 kg. If a force of 85 N is exerted at an angle 60 degree relative to the horizontal, and a second force of unknown magnitude is exerted in the opposite direction straight, and the block accelerate at 2 m/s^2 to the right, find the unknown magnitude.
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An acrobatic airplane performs a loop at an airshow. The centripetal acceleration the plane experiences is 14. 7 m/s2. If it takes the pilot 45. 0 seconds to complete the loop, what is the radius of the loop? round your answer to the nearest whole number.
When a plane moves in a circle, it is subjected to a force that keeps it in a circle. This force is referred to as the centripetal force. The formula for centripetal acceleration is given as: ac =\((v^2)/r\)..
This formula can be re-arranged to solve for the radius of the circle: r = (v^2)/ac Where r is the radius of the circle, v is the velocity, and a is the centripetal acceleration. Given that the plane completes the loop in 45.0 seconds and experiences a centripetal acceleration of 14.7 m/s², the radius of the loop can be calculated as follows:r = (v^2)/ac Where: \(v = 2πr/T\).
The velocity of the plane is equal to 2πr/T, where T is the period of the loop)T = 45.0 second sac = 14.7 m/s²Therefore:r\(= [(2πr/T)^2]/acr = [(2πr/45.0)^2]/14.7r = 20.17 rr = 20\)The radius of the loop is approximately 20 m.
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what is one question you still have about space? suggest a possible answer and justify your response.
One question I still have about space is whether there is other intelligent life out there.
While the search for extraterrestrial intelligence has been ongoing for decades, we have yet to find any conclusive evidence of other intelligent beings beyond Earth. In order to answer this question, we would need to search much further and on a much larger scale than we currently are. We would need to explore more distant galaxies and use more advanced technology to detect any signs of life.
Even if we were able to find evidence of life elsewhere, we would still need to determine whether it was intelligent and whether it was capable of communicating with us. This is a complex and ongoing search that requires a great deal of time, effort, and resources. However, the potential discovery of other intelligent life beyond our planet would have significant implications for our understanding of the universe and our place within it.
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How might a behaviorist explain why some people pretend to be ill to get sympathy?
Trying to help my brother but i dont remember question 8. Pls help, thank you
Answer:
I can't read it if you zoom in its still blurry
Explanation:
read the question to me and I'll try to answer it thx
according to freud's theory of psychosexual development, identification refers to
According to Freud's theory of psychosexual development, identification refers to a process in which a child models their behavior, attitudes, and personality characteristics after someone of the same sex, usually a parent or caregiver.
In other words, the child identifies with and internalizes the traits and values of the person they see as a role model. Identification plays a crucial role in the formation of gender identity, as the child learns what it means to be a boy or girl based on the behaviors and attitudes they observe from their same-sex parent or caregiver.
This process is believed to occur during the phallic stage of psychosexual development, which occurs between the ages of 3 and 6 years old.During this stage, the child's focus is on their genitalia and they begin to develop a sense of gender identity.
They also experience the Oedipus or Electra complex, which is a desire to possess the opposite-sex parent and a fear of retaliation from the same-sex parent. The child resolves this conflict by identifying with the same-sex parent and adopting their gender role as their own.
This process is essential for the child's development of a healthy sense of self and their ability to navigate relationships with others.
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30 12
w
Find the total
equivalent
resistance for the
circuit.
40 12
w
9.0V
50 Ω
2012 10 12
Reg = [?] 12
Answer:
6
.40 recharge
1.0v
45.0v
1. If the dielectric becomes damaged it can 'break down' like the air does when lightning strikes. What would happen to the charge on the plates?
Answer:
Explanation:
When the dielectric becomes damaged, it can no longer prevent the charge on the plates from leaking out. This process is known as dielectric breakdown. When the dielectric breaks down, the charge on the plates will begin to dissipate. This can result in a spark or arc, as the charges will be forced to jump the gap and form a conductive path. This can lead to potentially dangerous situations, as the energy released can be quite high. Additionally, the sudden change in the electric field can cause other electrical components to be damaged or destroyed, depending on the amount of energy released.
A package is released from a helicopter flying horizontally at a constant velocity of 40m/s!. The package takes 3.06s to reach the ground. The effects of air resistance can be ignored.
The package will fall 45.14 meters before hitting the ground, and it will take 3.06 seconds to do so. The horizontal velocity of the helicopter does not affect the time it takes for the package to fall, only the horizontal distance it travels.
When the package is released from the helicopter, it will experience two types of motion: horizontal and vertical. The horizontal motion will be at a constant velocity of 40m/s, while the vertical motion will be due to the force of gravity pulling the package downwards.
Since the effects of air resistance can be ignored, we can assume that the only force acting on the package is gravity. Using the formula for vertical motion under constant acceleration, we can find the time it takes for the package to reach the ground.
d = 0.5 * g * t^2, where d is the distance traveled, g is the acceleration due to gravity (9.81 m/s^2), and t is the time taken.
Rearranging this formula gives: t = sqrt(2d/g).
Substituting d = 0.5 * g * t^2 = 0.5 * 9.81 * (3.06)^2 = 45.14m, we get t = sqrt(2*45.14/9.81) = 3.06s, which is the time it takes for the package to reach the ground.
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A science teacher ran a marathon. After the race she showed her students the silver blanket she was given to keep her warm.A group of students investigated how the colour of the blanket affected how much infrared radiation is absorbed.
Plan an investigation
Answer:
the foiley like color doesn't absorb the heat it bounces off of it. it would be much better to have a black blanket
PLS HELPPP! Why are ions harmful and why are they not harmful?
Answer:
This is because we are surrounded by positive ions from electromagnetic fields generated by computers, cell phones, and other electronic devices which can impair brain function and suppress the immune system causing symptoms such as: anxiety, breathing difficulty, fatigue, headaches, irritability, lack of energy, poor concentration, nausea, and vertigo,
Explanation:
Answer:
Ions can be harmful because ions can produce dangerous indoor ozone and can waste space and electricity. Hours of negative ion exposure can produce symptoms of depression. On the other hand, ions can help improve our immune systems by strengthening our immune cells. Ions can also speed up the production of antibiotics.
What has a wavelength of 10 m?.
Therefore, the frequency of the wave is 10 Hz when it has wavelength of 10 meters.
Wavelength (λ) = 10 nm
Speed of the wave = 340 m/s
To find:
The frequency of the wave
Formula used:
N=v/λ
where
n is the frequency
v is the speed
λ is the wavelength
Step-by-step explanation:
n=340/10
n=10Hz
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Car B is traveling a distance d ahead of car A. Both cars are traveling at 60 ft/s when the driver of B suddenly applies the brakes, causing his car to decelerate at 12 ft/s. It takes the driver of car A 0.75 s to react (this is the normal reaction time for drivers). When he applies his brakes, I dece lerates at 15 ft/s. Determine the minimum distance d be tween the cars so as to avoid a collision
The minimum distance 'd' between the cars to avoid a collision is either 45 feet if Car B stops instantly or 645 feet if Car B takes 10 seconds to come to a stop after the driver applies the brakes.
To determine the minimum distance 'd' between the cars to avoid a collision, we need to consider the time it takes for both cars to come to a stop after the driver of Car B applies the brakes.
1. Car B:
- Initial velocity: 60 ft/s
- Deceleration: -12 ft/s² (negative because it's decelerating)
- Time to come to a stop: Unknown, denoted as 'tB'
2. Car A:
- Initial velocity: 60 ft/s
- Deceleration: -15 ft/s^2 (negative because it's decelerating)
- Reaction time: 0.75 s
- Time to come to a stop: 'tB' + Reaction time
Since both cars come to a stop, we can equate their respective distances traveled to zero using the kinematic equation:
Distance = Initial velocity × Time + 0.5 × Acceleration × Time²
For Car B:
0 = 60 ft/s × tB + 0.5 × (-12 ft/s²) × tB²
Simplifying this equation will give us the time 'tB' for Car B to come to a stop.
For Car A:
0 = 60 ft/s × (tB + 0.75 s) + 0.5 × (-15 ft/s²) × (tB + 0.75 s)²
Simplifying this equation will give us the total time for Car A to come to a stop.
To find the minimum distance 'd' between the cars, we need to determine the value of 'd' when both cars come to a stop simultaneously. This occurs when the total time for Car A to stop is equal to 'tB'. Substitute this value into the equation:
d = 60 ft/s × (tB + 0.75 s)
0 = 60tB - 6tB²
This is a quadratic equation in terms of 'tB'. Rearranging the equation:
6tB² - 60tB = 0
Factor out a common term of 6tB:
6tB(tB - 10) = 0
This equation will be satisfied when either 6tB = 0 or tB - 10 = 0:
1) 6tB = 0
tB = 0
2) tB - 10 = 0
tB = 10
We have two possible solutions for 'tB': tB = 0 and tB = 10.
Now let's substitute these values into the equation for 'd' to find the minimum distance:
For tB = 0:
d = 60 ft/s × (0 + 0.75 s) = 45 ft
For tB = 10:
d = 60 ft/s × (10 + 0.75 s) = 645 ft
Therefore, the minimum distance 'd' between the cars to avoid a collision is 45 feet when Car B stops instantly, or 645 feet when Car B takes 10 seconds to stop.
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During which interval is the cart accelerating?
the barriers if the interval are Aand B the of displacement goes up.
from B to C it just stays the same, then from C to D no Movement, and from time D to E movement, but steady
How does water temperature affect density?
(8th grade HELP)
1. Inertia causes a stationary object to...
a.stay still
b.move
c.have an increased velocity
d.change it’s speed or direction
2. Once an applied force causes an object to start moving, the object keeps moving because....
a.none of the above
b.the force continues to be applied to it
c.no other force is acting on it
d.it has inertia
5. As part of an engineering team at Space-X designing microcircuitry to control rocket launch angle, you
must assess the power budget needed to operate 4 fin-control systems. Each system requires 0.16 micro
Amperes for circuits with 3.4 milliOhms of resistance. How much total voltage is needed to supply these
circuits?
The total voltage of the circuit is the product of the total current and resistance through the circuit. Hence, the voltage here is 2.17 ×10⁻⁹ V.
What is Ohm's law ?Ohm's law states that, the total voltage across a circuit is the product of the current over the circuit and the overall resistance. Let V be the voltage , I and R be the current and resistance respectively.
then,
V = IR.
Given,
R = 3.4 milli Ω = 3.4 × 10⁻³ Ω
I = 0.16 micro amperes = 0.16 × 10⁻⁶ A.
Then voltage V = IR = 0.16 × 10⁻⁶ A × 3.4 × 10⁻³ Ω
V = 5.4 ×10⁻¹⁰ V.
This is the voltage required for one system. For all the 4 systems,
v = 4 × 5.4 ×10⁻¹⁰ V = 2.17 ×10⁻⁹ V.
Therefore, the total voltage needed to supply the systems is 2.17 ×10⁻⁹ V.
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A ball starts from rest at the initial position xi = 0. The ball has a constant acceleration of 2.4m/s2.
With the use of second equation of motion formula, its position at time 3.7 s is 16.43 meters
What is Position ?A position is a point where an object can be located. The length between two positions is known as distance.
Given that a ball starts from rest at the initial position xi = 0. The ball has a constant acceleration of 2.4m/s², to know its position time 3.7 s, we will use the formula
X2 - X1 = ut + 1/2 × a × t²
Where
a = 2.4 m/s²t = 3.7 su = 0 (ball starts from rest)Substitute all the parameters into the formula
X2 - 0 = 0 + 1/2 × 2.4 × 3.7²
X2 = 1.2 × 13.69
X2 = 16.43 m
Therefore, its position at time 3.7 s is 16.43 meters
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What is the student's kinetic energy at the bottom of the hill if he is moving
at 18 m/s?
Variables:
Show Work
Answer:
KE = 10530 J or 10.53 KJ
Explanation:
The formula for kinetic energy is KE = 1/2 mv^2
Let's apply the formula:
KE = 1/2 mv^2
KE = 1/2 (65kg) (18m/s)^2
KE = 10530 J or 10.53 KJ
During a solar flare, it is most likely that (3 points)
Group of answer choices
severe hurricanes would occur
electrical power will be generated on Earth
satellites will send information to Earth rapidly
the aurora borealis will be seen in the night sky
Answer:
During a solar flare a electrical power will be generated on earth
Answer:
the aurora borealis will be seen in the night sky
Explanation:
I think so..
A power supply is connected to an electric motor using two low resistance wires. the battery supplies 800 j of energy. how much of this energy will be transferred to the kinetic store of the motor?
The energy transfer to the kinetic store of the motor will be less than 800 J because some of the energy is dissipated in the surrounding.
A piece of electrical equipment that is used to supply power to the electrical load is called an electric power supply.
The basic objective of this device is to transfer power from the source to the consumer with the correct amount of voltage, frequency, and current.
Furthermore, this device transforms alternative current (AC) into low voltage direct current (DC).
It consists of four major elements: filter, transformer, regulator circuits, and rectifier.
To put it simply, a power supply transforms Ac voltage to DC voltage.
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Explain why a coefficient of friction does not have units of measurement.
Answer:
The coefficient of friction is dimensionless, which means it has no units. It is a scalar, which means that the direction of the force seems to have no effect upon that physical... This coefficient of friction seems to be unitless or we could say a dimensionless ratio of frictional force to normal reaction.
If there is no change in the velocity of the object then it is known to be in ______
a) constant speed
b) uniform acceleration
c) uniform motion
d) non-uniform motion
OPTION (C) IS CORRECT
ANSWER - UNIFORM MOTION
If there is no change in the velocity of the object then it is known to be in UNIFORM MOTION.
EXPLORE MORE:-
EXAMPLE - A CAR COVERS A DISTANCE OF 15 KM WE'D EVERY 2 HOURS
FOR AN UNIFORM MOTION, ACCELERATION IS ZERO , AS THERE IS NO CHANGE IN VELOCITY....
-THANKS.!!
Help please 20 points ? ASAP
Answer:
21: Mass
22: Unbalanced Force
23: Friction
24: Balanced
Explanation:
what is the density of a liquid in which 15.0 ml weighs 7.20 g
The formula for calculating density is mass/volume. In this case, we have the mass and volume of the liquid. We can therefore rearrange the formula to make the density the subject of the formula as follows:density = mass/volumeWe are given that the liquid has a mass .
We are also given that the volume of the liquid is 15.0 ml, which we need to convert into liters (L) since the SI units of density are kg/m3. We can do this by dividing by 1000. Therefore volume .
Substituting the mass and volume values into the density formula, we get: density Therefore, the density of the liquid is 480 g/L. The formula for calculating density is:density=mass/volume. In this case, we have the mass and volume of the liquid.
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