Asquirrel, a train, a bird, and a car are all traveling at the same velocity. which object has the greatest amount of kinetic energy?

True or false graphs must include scales that increase by the same amount

If a simple machine reduces the strength of a force, what must be increased?

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.)