SOMEONE PLEASE HELP!A car starts at rest and accelerates at 4m/s2. How far has it traveled once its velocity reaches 25 m/s

Positrons are spontaneously emitted from the nuclei of

What’s #16 asking me and how do i solve it?

Suppose that a cylindrical tank 6 meters high with a radius of 2 meters is filled to the rim with water. the tank is buried so that the top of the tank is 1 meter below ground level. the space above the tank is not filled with water. calculate how much work needs to be done by a pump to pump the water out of the tank up to ground level. (the water weighs 9,800 newtons per cubic meter.)