Aman is walking away from a lamppost with a light source h = 6 m above the ground. the man is m = 2 m tall. how long is the man's shadow when he is d = 8 m from the lamppost?

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

The solid that is formed and usually sinks to the bottom of a solution is the

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.)