A car accelerates from 25 mi/hr to 55 mi/hr in 0.0083 hr. What is its acceleration?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?

The total amount of energy contained in an object