2. a)
A 0.20 kg hockey puck on a frictionless surface is hit with astick. The force of the stick on the puck, during the 0.4 secondswhile they are in contact, causes the puck to go from rest to 36meters per second east. What was the magnitude of the average forceof the stick on the puck while they were in contact?
b)
A 3-kg block is placed on a frictionless ramp-incline, where itslides from rest, 18 m down along the ramp- incline in 4seconds.
What was the angle of the incline, with respect to thehorizontal?
