Ask a New Question

A 7kg box sled is coasting across frictionless ice at speed of 9 m/s when a 9kg package is dropped into it from above. what is the new speed of the sled?

1 answer

conservation of momentum...

7*9=(7+9)V
solve for V

Ask a New Question or answer this question.

Similar Questions

A child and sled with a combined mass of 50.0 kg slide down a frictionless hill that is 7.34 m high. If the sled starts from
1. 1 answer
A sled and rider, gliding over horizontal, frictionless ice at 4.9{\rm m/s} , have a combined mass of 86{\rm kg} . The sled then
1. 0 answers
A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is
1. 1 answer
A 30kg sled(with rider) slides without friction down a small, ice covered hill. On the first run the sled starts from rest and
1. 1 answer

more similar questions