Bowling ball with mass 0.64 kg is placed on a shelf that is 213 cm above the ground. What is the gravitational potential energy of the bowling ball?'
The bowling ball from the question falls off the shelf. Ignoring air resistance, what is the speed of the bowling ball when it reaches the ground? 4.6 m/s, 6.5 m/s, 9.2 m/s, or 20.5 m/s?
A spring with a spring constant of 400.0 N/m is mounted horizontally on a frictionless surface. The spring is compressed by 12.5 cm to launch a 3.30 kg box along the frictionless surface. What is the speed of the box after it is launched?