I throw a ball with a mass of 2 kg to a height of 20 m. a. What is the potential energy of the ball at this maximum height?
b. What is the amount of kinetic energy I gave to the ball when I threw it into the air?
c. What is the initial speed of the ball?​

Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

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