Posted by **Fg** on Friday, April 1, 2011 at 4:49pm.

A boy on a 2.2kg skateboard initially at rest tosses a 7.9kg jug of water in the forward direction.

If the jug has a speed of 3.2m/s relative to the ground and the boy and skateboard move in the opposite direction at .56m/s, find the boy's mass.

Answer in units of kg.

## Answer This Question

## Related Questions

- physics - A boy on a 2.2 kg skateboard initially at rest tosses a(n) 8.4 kg jug ...
- physics - A boy on a 1.9 kg skateboard initially at rest tosses a(n) 8.0 kg jug ...
- Physics - A boy on a 2.4 kg skateboard initially at rest tosses a(n) 8.2 kg jug ...
- its physics.. i just want the formula - A boy on a 2.2 kg skateboard initially ...
- physics - A girl and the bike she is riding have a combined mass of 73.7 kg and...
- physics - A boy on roller blades throws a jug of water away from himself, giving...
- Physics - Two boys standing on carts that move along a horizontal frictionless ...
- physics - A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, ...
- physics - A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, ...
- physics - A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, ...

More Related Questions