An automobile engine slows down from 3500 rpm to
1200 rpm in 2.5 s. Calculate (a) its angular acceleration,
assumed constant, and (b) the total number of revolutions
the engine makes in this time.

Sarah and michelle work at a tech company that designs exercise apps. sarah tells michelle she has heard that james, their supervisor, interviewed with a competitor and may be leaving the company, which would open up a management position. what kind of power is sarah exerting?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.