two hockey pucks with mass 0.1 kg slide across the ice and collide. before the collision, pick 1 is going 13 m/s to the east and pick 2 is going 18 m/s to the west. After the collision, puck 1 is going to 18 m/s to the west. What is the velocity of puck 2?

If jesus walked on water, does that mean he swims on land

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)