How long does it take a child on a swing to complete one swing if her center of gravity is 4.00 m below the pivot (length of the pendulum is 4m)? *

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.)

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane

Which system of units is used by only a small number of countries in the world, including the u. s.