Q. A person whose eyes are 1.64 above the floor stands 2.30 in front of a vertical plane mirror whose bottom edge is 38 above the floor,what is the horizontal distance x to the base of the wall supporting the mirror that can be seen reflected in the mirror?
Q. During a circus performance, a 73-kg human cannonball is shot out of an 18-m-long cannon. If the human cannonball spends 0.78 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.