Ask a New Question

Question

A 50-kg woman and a 25-kg boy stand motionless facing each other on friction-free roller blades. The woman pushes the boy, who moves away at a speed of 5.0 m/s. What is the woman’s speed in the opposite direction?
14 years ago

Answers

drwls
Here's a clue (from the law of cnservation of momentum)

Their momenta are equal and opposite, so that the total momentum remains zero.

M1*V1 = -M2*V2
V2/V1 = ?
14 years ago

Related Questions

A woman and her dog are out for a morning run to the river, which is located 3.51 km away. The... a 70 kg man and 50 kg woman are in a boat when its motor fails. the man dives into the water with a... there are twice as many woman as men in the union at global products altogether 84 workers at the pl... WOMAN IN ELEVATOR A woman weighs Fg= 650 N when standing on a stationary scale. Now, the woman... A woman is twice as old as her daughter. Five years ago the ratio of their ages was 7:3. Calculate t... How to become a woman ? can a man become a woman ? What was it right That woman had during the Roman Empire? A( a right to a job of their choice B( wom... Which example of a woman’s problem in the Middle Ages does the author provide in the selection? Res... when someone says a woman is 38, 24, 36 what are they talking about? what does each of these numbers...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use