Asked by Stacy
A large truck (m=3300kg) accelerates from 15 m/s. Neglecting any friction or air resistance, find the average mechanical power that the trucks engine must supply.
Answers
Answered by
drwls
How fast is it accelerating? You don't say.
To get the power required, you need the kinetic energy at a later time, or the rate of acceleration.
To get the power required, you need the kinetic energy at a later time, or the rate of acceleration.
Answered by
Stacy
My apologies, I should have double checked what I had typed. The truck accelerates from 15 m/s to 27 m/s in a time of 15 sec.
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