An object changed its velocity by 19m/s over a time of 3s. what was its rate of acceleration

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.