1) A hockey puck with a mass of .115kg moving at 45 m/s strikes a dead octopus thrown onto the ice by a fan the octopus has a mass of .865 kg the puck hits the octopus and they slide off together what is their velocity
2) A 10.0g bullet is fired from a gun with a speed of 600 m/s the gun has a mass of 5.00kg with what speed will the gun recoil?
3) a 1000kg car moving north at 40m/s collides with 3.0 x 10^3 kg truck moving south at 10.0 m/s the two vehicles stick together and the wreckage starts to move?
4) an astronaut wishes to play catch in space by bouncing a ball off the side on the space station. the ball has the same mass as the astronaut and the bounce off the space station is perfectly elastic what would happen?
5) a 0.25 kg soccer ball is rolling at 10.0 m/s towards a player the player kicks the ball in the opposite direction and gives the ball a speed of 25 m/s what is the average force during the kick if the duration of the contact was 2.0 x 10^-2 s
6) a 54 N impulse is given to a 6.0 kg object the change in momentum for the object is? ( in kg m/s)