A car with a mass of 1,324 kilograms, traveling at a speed of 20 meters/second, crashes into a wall and stops. What is the kinet
2 answers:
Answer:
A. 0.0 joules
Explanation:
We can calculate the initial kinetic energy of the car, which is given by:
where m is the mass of the car and v its initial speed. After the collision, the car stops, so its final speed is zero. Therefore, the new kinetic energy of the car will be
This type of collision is called 'perfectly inelastic collision', and it occurs when there is the maximum loss of kinetic energy, as in this case. Therefore, the correct answer is
A. 0.0 joules
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A) volume flow rate = 0.047 m3/s
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Explanation:
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Answer:
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Average power done by the torque is expressed as the ratio of the workdone by the toque to time.
Power = Workdone by torque/time
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