Q1. A 130 block on a frictionless table is firmly attached to one end of a spring with = 40. The other end of the spring is anchored to the wall. A 21 ball is thrown horizontally toward the block with a speed of 6.6.
Q2. A man can exert a force of 600 N on a rope attached to a sled. The rope is at an angle of 40?With the horizontal. if the coefficient of kinetic friction between the sled and ground is 0.5,what is the maximum load on the sled that man can pull at stable speed?