Answer:
the three are scavengers predators and decomposers
Explanation:
The three biotic factors that can affect an organism after death are scavengers, predators, and decomposers that can breakdown and destroy the organism. an abiotic factor that can prevent the organism from becoming preserved after it has been buried would be groundwater.
5. The speed of a car is 15m/s. Its speed in km/h is *
Answer:
54 Km per hour..
Explanation:
Multiply the speed value by 3.6
What separates the two sections of the solar system?.
Answer:
These two groups of planets are separated by the asteroid belt, a disk of small rocky bodies orbiting the sun between Mars and Jupiter.
Explanation:
Your welcome!
when seated behind the steering wheel you cannot see the pavement directly to the front, rear and sides of the car. how much of a line-of-vision blind area do you have to the front of the car?
When seated behind the steering wheel of a car, the line-of-vision blind area to the front of the car can vary depending on the specific design and height of the vehicle, as well as the driver's seating position. However, in general, the blind area directly in front of the car can range from a few feet to several yards.
The blind area primarily occurs due to the hood of the car obstructing the direct view of the pavement immediately in front. The size of the blind area can be influenced by factors such as the height and slope of the hood, the driver's seating position, and the overall dimensions of the vehicle. To mitigate the blind area, drivers are encouraged to rely on peripheral vision, mirrors, and other visual aids to compensate for the limited direct visibility. Adjusting the seat height and position, as well as properly adjusting mirrors, can help maximize the field of vision and minimize blind spots.
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Ers), and
1. A paintball with a mass of 0. 15 kg is fired from a paintball gun that has a mass of 5. 5 kg. The paintball leaves the
gun with a velocity of 45 m/s [N] having accelerated for only 0. 10 s. Calculate the acceleration and the final
velocity of the paintball gun.
Please help
Answer:
-13.5 m/s^2
-1.35m/s
Explanation
First, find the momentum of the paintball by using the formula \(p=mv\).
\(p=0.15*45\)
\(p = 6.75\)
The next step would be to find the change of momentum of the gun. Since the gun was at rest it had a momentum of 0. Momentum acts in different directions equally, therefore we can set up the equation for the acceleration:
FΔt=Δp
Where F is force, Δt is the change of time and Δp is the change of momentum.
Since we solve for acceleration, we can convert F to ma to get:
maΔt=Δp
Substitute values:
5a*(0.1-0)=-6.75
5a=-67.5
a=-13.5
Our a is -13.5m/s^2, it's negative since the direction it's acting on is opposite of the paintball.
Now we can find velocity (and double-check our work!).
The first way to solve for velocity is:
\(V=Vi+at\)
Where V is final velocity, Vi is initial, a is acceleration and t is time.
substitute values:
\(V=0-13.5*0.1\\V=-1.35m/s\)
If we are correct, using the formula p=mv, we should get the same result (remember, our momentum is negative).
\(p=mv\\-6.75=5v\\-1.35m/s=v\)
Hope this helps!
chris and molly wins $2400 in a competition they share the money in the ratio2:3 how much money do they each receive ?
Answer:
chris gets 960 and molly gets 1440
Explanation:
add the ratio up and divide
2+3=5
2400/5=480
480x2=960
480x3=1440
960+1440= 2400
A camera with a lens of focal length 6.0cm takes a picture of a 1.4m tall man standing 11m away. The height of the image is about : A. 0.39cm B. 0.77cm C. 1.5cm D. 3.0cm E. 6.0cm
The height of the image taken by the camera with a lens of focal length 6.0cm is about 0.77cm.
Using the formula for thin lens magnification (magnification = image height/object height = image distance/object distance), we can solve for the image height. Rearranging the formula gives us image height = magnification x object height.
The magnification can be calculated using the formula m = -di/do, where di is the image distance and do is the object distance. Substituting the given values, we get m = -6.0cm/(11m+6.0cm) = -0.000547. Since the man is standing upright, we know that the image is also upright, so we can take the absolute value of the magnification.
Finally, we multiply the absolute value of the magnification by the object height to get the image height. Therefore, image height = |m| x object height = 0.000547 x 1.4m = 0.77cm.
The height of the image taken by the camera with a lens of focal length 6.0cm is approximately 0.77cm.
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Pls answer ASAP Which diagram shows a possible
sequence of steps in the research and development cycle? O A. New problem or discovery Engineering solution Development Research ОВ. Development Research Engineering solution New problem or discovery C. Research Development Engineering solution New problem or discovery OD. New problem or discovery Research Problem Engineering solution
Answer:
A. New problem or discovery Engineering solution Development Research Explanation:
A possible sequence of steps in the research and development cycle are A. New problem or discovery Engineering solution Development Research. In the research and development cycle, the first step is the problem that a scientist observe. After that we have discover a solution for that problem through many research so the above materials are the possible sequence of steps in the research and development cycle.
What is the wavelength in nanometers of light when the energy is 1. 91 × 10^6 j for a mole of photons?.
The wavelength in nanometers of light when the energy is 1. 91 × 10^6 j for a mole of photons is 62. 8 nm.
Wavelength is the distance among the same points (adjacent crests) within the adjoining cycles of a waveform signal propagated in space or along a cord. In wi-fi structures, this period is typically specified in meters (m), centimeters (cm), or millimeters (mm).
The wavelength is the distance between wave crests, and it is going to be the same for troughs. The frequency is the variety of vibrations that skip over a given spot in one 2nd, and it's far measured in cycles consistent with the second (Hz) (Hertz).
Frequency is the ratio of pace and wavelength in relation to speed. In comparison, wavelength refers to the ratio of pace and frequency. Audible sound waves are characterized by way of a frequency range of 20 to 20 kHz. In contrast, the variety of wavelengths of visible light is from four hundred to seven hundred nm.
calculation:-
*E=hc/λ
1.91 × 10^6 J = (6.62610⁻³⁴) (3.00*10⁸) / λ
λ= (6.62610⁻³⁴) (3.00*10⁸) / 1.91 × 10⁶ J
λ= 1.0410⁻³¹× 10⁻⁹ × 6.022*10²³
= 62. 8 nm
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Need help pls. It is for acellus
Answer:
The height of the water column = 1.62405\(\overline{30}\) × 10⁻¹ m
Explanation:
The air cavity in the Coke bottle = 0.220 m deep
The fundamental (frequency) it plays when water is added to shorten the column and it is blown across the top, f = 528 Hz
The given speed of sound in air, v = 343 m/s
We note that the air cavity in the coke bottle is equivalent to a tube closed at one end
The fundamental frequency for a tube closed at one end, 'f', is given as follows;
f = v/(4·L) = v/λ
Where;
L = The height of the water column
λ = The wavelength of the wave
∴ 4·L = v/f = (343 m/s)/(528 Hz) = 0.6496\(\overline{21}\) m
∴ L = 0.6496\(\overline{21}\) m/4 = 0.162405\(\overline{30}\) m
The height of the water column = 1.62405\(\overline{30}\) × 10⁻¹ m.
Answer:
0.058
Explanation:
got it right on acellus
Show your work: zero credit for this question. pieces and the lengths are 49.19 cm and 49.93 cm. What is the total Taguchi quality cost of these two pieces of metal? a) The Taguchi parameter T is $/cm^2
(round your response to two decimal places). b) The Taguchi Quality Cost of the second metal rod is $ (round your response to two decimal places). c) The Taguchi Quality Cost of the first metal rod is $ (round your response to two decimal places). d) What is the total Taguchi Quality Cost of that sample of two units? \$ (round your response to two decimal places).
To calculate the Taguchi quality cost, we need to multiply the length of each piece by the Taguchi parameter T, and then sum up the costs.
Given:
Length of the first metal rod = 49.19 cm
Length of the second metal rod = 49.93 cm
a) Taguchi parameter T:
Since we don't have the specific value of T, we cannot calculate it.
b) Taguchi Quality Cost of the second metal rod:
Taguchi Quality Cost = Length of the second metal rod * Taguchi parameter T
c) Taguchi Quality Cost of the first metal rod:
Taguchi Quality Cost = Length of the first metal rod * Taguchi parameter T
d) Total Taguchi Quality Cost of the two units:
Total Taguchi Quality Cost = Taguchi Quality Cost of the first metal rod + Taguchi Quality Cost of the second metal rod
Since we don't have the Taguchi parameter T, we cannot calculate the specific values for parts (b), (c), and (d).
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A rock is thrown horizontally from a 65 meter high cliff with an initial velocity of 8 m/s. What is the vertical component of the velocity of the rock
when it hits the ground?
Answer:
Projectile motion is a combination of horizontal and vertical motion. - The horizontal ... What are the horizontal and vertical components of the initial velocity? Round your ... A rock is thrown horizontally at a speed of 5.0 m/s from the top of a cliff 64.7 m high. The rock hits the ground 18.0 m from the base of the cliff.
Explanation:
Low-energy lightbulbs currently cost $3.60, have a life of 9 years, and currently use $2.00 of electricity per year. Conventional lightbulbs are cheaper to buy; they currently cost only $0.60. On the other hand, they last only 1 year and currently use $7.00 of electricity per year. If the real discount rate is 4%, what are the EACs for each lightbulb? Which lightbulb is cheaper to operate assuming a burnt-out bulb is replaced by an identical bulb? a. EAC( Low-energy lightbulb )=2.48 EAC( Conventional lightbulb )=7.62 Low-energy lightbulb is cheaper to operate b. EAC( Low-energy lightbulb )=3.60 EAC( Conventional lightbulb )=0.60 Conventional lightbulb is cheaper to operate c. EAC( Low-energy lightbulb) =2.00 EAC( Conventional lightbulb )=7.33 Low-energy lightbulb is cheaper to operate d. EAC( Low-energy lightbulb )=18.47 EAC( Conventional lightbulb )=7.33 Conventional lightbulb is cheaper to operate
EAC( Low-energy lightbulb )=18.47 EAC( Conventional lightbulb )=7.33 Conventional lightbulb is cheaper to operate. Option D
Energy cost calculationTo calculate the Equivalent Annual Costs (EAC), we need to consider the initial cost, maintenance costs, and the present value of future costs, taking into account the discount rate.
The EAC (Equivalent Annual Cost) is calculated by summing up the annual costs of the lightbulb over its lifetime, discounted at the real discount rate of 4%.
For the low-energy lightbulb:
EAC = Cost of bulb + Present value of annual electricity cost
= $3.60 + ($2.00 / (1 + 0.04)^1) + ($2.00 / (1 + 0.04)^2) + ... + ($2.00 / (1 + 0.04)^9)
≈ $18.47
For the conventional lightbulb:
EAC = Cost of bulb + Present value of annual electricity cost
= $0.60 + ($7.00 / (1 + 0.04)^1) + ($7.00 / (1 + 0.04)^2) + ... + ($7.00 / (1 + 0.04)^1)
≈ $7.33
Since the EAC for the low-energy lightbulb is $18.47 per year and the EAC for the conventional lightbulb is $7.33 per year, the conventional lightbulb is cheaper to operate assuming a burnt-out bulb is replaced by an identical bulb.
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A person travels by car from one city to another with different constant speeds between pairs of cities. she drives for 15.0 min at 80.0 km/h, 15.0 min at 50.0 km/h, and 50.0 min at 45.0 km/h and spends 50.0 min eating lunch and buying gas. determine the average sped for the trip. determine the difference between the intial citties along the route.
the difference between the initial cities along the route is 70.0 km.
To determine the average speed for the trip, we can calculate the total distance traveled and divide it by the total time taken.
First, let's calculate the distances traveled during each segment of the trip:
Distance_1 = (80.0 km/h) * (15.0 min) = 20.0 km
Distance_2 = (50.0 km/h) * (15.0 min) = 12.5 km
Distance_3 = (45.0 km/h) * (50.0 min) = 37.5 km
Next, let's calculate the total time taken for the trip:
Total time = 15.0 min + 15.0 min + 50.0 min + 50.0 min = 130.0 min
Now, let's calculate the total distance traveled:
Total distance = Distance_1 + Distance_2 + Distance_3 = 20.0 km + 12.5 km + 37.5 km = 70.0 km
Finally, we can calculate the average speed for the trip:
Average speed = Total distance / Total time = 70.0 km / 130.0 min ≈ 0.538 km/min
Therefore, the average speed for the trip is approximately 0.538 km/min.
To determine the difference between the initial cities along the route, we need to find the net displacement or the total distance covered in one direction during the trip.
Net displacement = Distance_1 + Distance_2 + Distance_3 = 20.0 km + 12.5 km + 37.5 km = 70.0 km
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explain the difference between the terms "rotation" and "revolution"
Answer:
The moon rotates around the earth but the earth revolves around its own axis
Explanation:
where is thermocouple thermometer used
Explanation:
Thermocouples are used in applications that range from home appliances to industrial processes, to electric power generation, to furnace monitoring and control, to food and beverage processing, to automotive sensors, to aircraft engines, to rockets, satellites and spacecraft.
6. Applying Concepts The area of an output
piston is 25 times greater than the area of the
input piston. If the input force is 40 newtons,
what is the output force?
helppp please
Answer:
\(1000\; {\rm N}\).
Explanation:
By Pascal's Law, the pressure on the two pistons should be the same.
Let \(F_{\text{in}}\) and \(F_{\text{out}}\) denote the forces on the two pistons. Let \(A_{\text{in}}\) and \(A_{\text{out}}\) denote the area of the two pistons.
Divide force by area to find the pressure.
Pressure on the input piston: \(\displaystyle P_{\text{in}} = (F_{\text{in}}/A_{\text{in}})\).Pressure on the output piston: \(\displaystyle P_{\text{out}} = (F_{\text{out}} / A_{\text{out}})\).By Pascal's Law, \(P_{\text{in}} = P_{\text{out}}\). Therefore:
\(\displaystyle \frac{F_{\text{in}}}{A_{\text{in}}} = \frac{F_{\text{out}}}{A_{\text{out}}}\).
It is given that \(F_{\text{in}} = 40\; {\rm N}\) and that \(A_{\text{out}} = 25\, A_{\text{in}}\). Therefore, the equation becomes:
\(\displaystyle \frac{40\; {\rm N}}{A_{\text{in}}} = \frac{F_{\text{out}}}{25\, A_{\text{in}}}\).
Rearrange to find \(F_{\text{out}}\):
\(\begin{aligned}F_{\text{out}} &= \frac{(40\; {\rm N})\, (25\, A_{\text{in}})}{A_{\text{in}}} = 1000\; {\rm N}\end{aligned}\).
2. Which positions of the pendulum would have the most potential energy?
A1 and 2
B2 and 3
C 1 and 5
D 4 and 5
Explanation:
im listening to metallica
turn the page
identify the most reasonable unit to measure the height of an oak tree. choose 1 answer: choose 1 answer: (choice a) centimeters a centimeters (choice b) meters b meters (choice c) kilometers c kilometers
The most reasonable unit to measure the height of an oak tree would be (choice b) meters.
The most reasonable unit to measure the height of an oak tree is meters. Because Centimeters would likely be too small and impractical for such a large object, while kilometers would be too large and unnecessary for measuring the height of a single tree.
A measure is a quantification of a physical quantity, typically expressed using a standard unit of measurement. Measures are used to describe and compare the properties or characteristics of different objects, substances, or systems. For example, length is a measure that describes the distance between two points and is typically expressed in units such as meters or feet. Other examples of measures include mass, time, temperature, volume, and energy. The choice of measure depends on the context and the properties being studied.
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what is the average speed between 0 seconds and 6 secs?
Answer:
may be 6 seconds i think so
the escape velocity for a rocket launched from the surface of a planet is v0 . determine the escape velocity for another planet that has twice the mass and twice the radius of this planet.
The flow of electricity in a certain path is called.
The flow of electricity in a certain path is the circuit.
Is the substance an atom or a molecule?
Answer:
A pair of oxygen atoms is a molecule of oxygen. A molecule is the smallest particle of a substance that exists independently. Molecules of most elements are made up of only one of atom of that element. Oxygen, along with nitrogen, hydrogen, and chlorine are made up of two atoms.
Explanation:
A 73 kg human sprinter can accelerate from rest to 10 m/s in 3.5 s. During the same time interval, a 29 kg greyhound can go from rest to 20 m/s. What is the average power output of each? Average power over a time interval Δt is ΔE/Δt.
To find the average power output of each, we first need to find the energy expended during the time interval.
For the human sprinter.
Using the equation v = u + at, where u = 0 (starting from rest), v = 10 m/s, and t = 3.5 s, we can find the acceleration
a = (v-u)/t = 10/3.5 = 2.86 m/s^2
Using the equation KE = 0.5mv^2, we can find the kinetic energy (KE) at the end of the acceleration:
KE = 0.5 x 73 x 10^2 = 36500 J
Since the human sprinter starts from rest, all the energy expended during the time interval is used for acceleration. Therefore, the energy expended during the time interval is also 36500 J.
For the greyhound:
Using the same equation as before, we can find the acceleration (a):
a = (v-u)/t = 20/3.5 = 5.71 m/s^2
Using the same equation as before, we can find the kinetic energy (KE) at the end of the acceleration:
KE = 0.5 x 29 x 20^2 = 11600 J
Again, since the greyhound starts from rest, all the energy expended during the time interval is used for acceleration. Therefore, the energy expended during the time interval is also 11600 J.
Now, we can use the formula for average power:
Average power = ΔE/Δt
For the human sprinter:
ΔE = 36500 J, and since the time interval is 3.5 s, Δt = 3.5 s
Average power = 36500/3.5 = 10429 W
For the greyhound:
ΔE = 11600 J, and since the time interval is 3.5 s, Δt = 3.5 s
Average power = 11600/3.5 = 3314 W
Therefore, the average power output of the human sprinter is 10429 W and the average power output of the greyhound is 3314 W.
To calculate the average power output of each, we first need to find the change in kinetic energy (ΔE) for both the human sprinter and the greyhound.
For the human sprinter:
Initial velocity (u) = 0 m/s
Final velocity (v) = 10 m/s
Mass (m) = 73 kg
ΔE_human = 0.5 * m * (v^2 - u^2) = 0.5 * 73 * (10^2 - 0^2) = 0.5 * 73 * 100 = 3650 J
For the greyhound:
Initial velocity (u) = 0 m/s
Final velocity (v) = 20 m/s
Mass (m) = 29 kg
ΔE_greyhound = 0.5 * m * (v^2 - u^2) = 0.5 * 29 * (20^2 - 0^2) = 0.5 * 29 * 400 = 5800 J
Now we can find the average power output for each over the given time interval (Δt = 3.5 s):
Average power_human = ΔE_human / Δt = 3650 J / 3.5 s = 1042.86 W
Average power_greyhound = ΔE_greyhound / Δt = 5800 J / 3.5 s = 1657.14 W
So, the average power output of the human sprinter is 1042.86 W, and the average power output of the greyhound is 1657.14 W.
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What is psychic ability?
The famous astronomer, Kepler, determined that the planetary orbits were: 1. ellipses 2. circles 3. epicentric 4. geocentric
Answer:
geocentric
i hope this helps!!!!
Explanation:
Give an example of metals which is the best conductor of heat and shining non metal..
NEED HELP PLZ
Answer:
silver and copper
Explanation:
One exciting fairground ride acts like a gaint catapuit. The capsule which the 'rider' is strapped in is fired high into the sky by rubber straps Explain the erengy changes taking place in the ride.
Elastic energy of rubber straps is converted into the kinetic energy of the capsule which is converted into gravitational potential energy as capsule.
What is energy transformation?In accordance with the law of energy conservation, energy is neither created nor destroyed but can be converted from one form to another. This implies that energy is not lost and continues to exist.
The energy conversion that takes place as the 'rider' is strapped in is fired high into the sky by rubber straps is elastic energy of rubber straps is converted into the kinetic energy of the capsule which is converted into gravitational potential energy as capsule.
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It takes 5 J of work to compress a monatomic ideal gas in a well-insulated container initially at atmospheric pressure and room temperature (300K) from 16 cc to 3 cc. What is the final pressure of the gas in atm?
We can solve this problem by using the First Law of Thermodynamics, which states that the change in internal energy of a system is equal to the heat added to the system minus the work done by the system:
ΔU = Q - W
Since the container is well-insulated, Q = 0 and therefore ΔU = -W. The change in internal energy is given by:
ΔU = (3/2)nRΔT
where n is the number of moles of gas, R is the gas constant, and ΔT is the change in temperature. Since the gas is monatomic, we can substitute n = N/NA, where N is the number of atoms and NA is Avogadro's number, and use R = kNA, where k is the Boltzmann constant. Then we have:
ΔU = (3/2)(N/NA)kΔT
The work done by the gas is given by:
W = PextΔV
where Pext is the external pressure and ΔV is the change in volume. Since the pressure is constant, we can substitute Pext = Patm, the atmospheric pressure. Then we have:
W = Patm(V2 - V1)
where V1 and V2 are the initial and final volumes, respectively. Substituting the given values, we have:
W = 5 J
V1 = 16 cc = 16×10^-6 m^3
V2 = 3 cc = 3×10^-6 m^3
ΔV = V2 - V1 = -13×10^-6 m^3 (negative because the gas is compressed)
Substituting into the work equation, we get:
5 J = (101325 Pa)(-13×10^-6 m^3)
P = -5/(101325×13×10^-6) atm
P ≈ 0.003 atm
This result is negative, which means that the gas has done work on the surroundings rather than the other way around. This is because we have compressed the gas by doing work on it, and the gas has then expanded against the walls of the container, doing work on the surroundings. To get the final pressure of the gas, we need to add the atmospheric pressure to the pressure change caused by the compression:
Pf = Patm - ΔP = Patm - W/V2 = 1 - 5/(3×10^6) atm
Pf ≈ 0.9983 atm
Therefore, the final pressure of the gas is 0.9983 atm.
a 10-olm resistor is connected to a source of ac voltage. if the peak current through the resistor is 1 a, what is the average power dissipated by the resistor
The resistor dissipates 10W of power.
How can you determine how much power a resistor in an AC circuit dissipates?The current flowing through the resistor is first calculated using Ohm's law (V = I R). V = 9 V is the voltage applied across the resistor, and R = 100? is the resistor's resistance. After that, we can calculate the power lost by the resistor using the power rule (P = I V).
How does AC behave when it goes through a resistor?A resistor develops current when a source of constant voltage or a battery are applied across it. This current has a distinct flow from a battery's negative terminal to positive terminal. The current's strength stays constant as well. When a battery or an electrical source is connected across it. From a battery's negative terminal to its positive terminal, this special-direction current flows. Additionally, the current's strength doesn't change.
calculation:-
Owing to Ohm's Law, V = IR, hence V = 1 10.
V= = 10v as a result.
power (P) = V * I = 10 * 1 = 10 W.
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What is the scientific saying/principle that explains why a hammer and a screwdriver, both made of steel, are used for different tasks?
Hammer and screwdriver perform different tasks because they are both simple machines.
A machine is simply a device that can be used to perform a task. This machine can be any physical system or device designed to perform a specific task.
The efficiency of the machine describes the easy with which each machine or tool is able to use input power to overcome a task.
Machines are designed to overcome a particular task with little effort in order to increase its efficiency.
Hammer and screwdriver, are both examples of simple machines.
Thus, Hammer and screwdriver perform different tasks because they are both simple machines.
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