Explain why a moving object cannot come to a stop instantaneously

What is the rate of change in a objects position?

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j