An object of mass 10kg travelling from left to right at 12ms-1 collides with an object of mass 9kg which is travelling at 6 ms-1 from right to left. The 9kg object bounces back at 2ms-1. Hint: left to right positive direction and right to left negative direction. Determine:
i. The momentum of the 10kg object before collision

ii. The momentum of the 9kg object before collision

iii. The total momentum of the system before collision

iv. The momentum of the 9kg object after collision

v. The momentum of the 10kg object after collision

vi. The velocity and direction of the 10kg object after collision

This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?