A 34.8 kg runner has a kinetic energy of 1.09 x 10³ J. What is the speed of the runner?

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

The amount of potential energy possessed by an elevated object is equal to what?

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)