4. What average net force is required to stop a 4.5 kg bowling ball, initially at rest, accelerated for 6 seconds over a distance of 3 m?

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s

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