# physics

posted by .

what is the energy transformation when a cart is pushed and rolls along a smoothfloor it hits a rough patch on the floor and slows down. it then falls off a set of staris hits the ground and stops

## Similar Questions

1. ### physics

A 50. kg cart is moving across a frictionless floor at 2.0 m/s. A 70. kg child, riding in the cart, jumps off so that the child hits the floor with zero velocity. What was the velocity of the cart after the boy jumped?
2. ### Physics

PLEASE HELPPP! An ice skater hits a patch of rough ice. The rough patch has a kinetic coefficient of friction with her skates of 0.13. The skater's mass is 51 kg. She passes over the rough patch in 0.55 s. What impulse does the rough …
3. ### Physics

A 45 kg cart is moving across a frictionless floor at 1.7 m/s. A 60 kg boy, riding in the cart, jumps off the cart so that he hits the floor moving forwards in the initial direction of the cart's motion with a velocity of 2.8 m/s. …
4. ### Physics

A speed skater moving across frictionless ice at 8.0 m/s hits a 5.7m-wide patch of rough ice. She slows steadily, then continues on at 6.5m/s. What is her acceleration on the rough ice?
5. ### physics

A speed skater moving across frictionless ice at 9.0 hits a 6.0 -wide patch of rough ice. She slows steadily, then continues on at 6.1 m/s. What is her acceleration on the rough ice?
6. ### Physics

A speed skater moving across frictionless ice at 9.0 hits a 5.1 -wide patch of rough ice. She slows steadily, then continues on at 6.4 . What is her acceleration on the rough ice?
7. ### physics

A speed skater moving across frictionless ice at 9.0 m/s hits a 5.3 m -wide patch of rough ice. She slows steadily, then continues on at 5.8 m/s. What is her acceleration on the rough ice?
8. ### Physics

A speed skater moving across frictionless ice at 8.3 m/s hits a 5.6 m -wide patch of rough ice. She slows steadily, then continues on at 6.5 m/s What is he acceleration on the rough ice?
9. ### physics

An 18 kg curling stone sliding on a sheet of ice hits a rough patch on the ice where the coefficient of friction increases from 0.13 to 0.28. It enters this rough patch with a speed of 2.2 m/s and leaves with a speed of 1.4 m/s. How …
10. ### physics

An Olympic high jumper starts running. As she approaches the bar, she pushes off the ground and lifts her body off the ground and flies over the bar. She then falls down into a large padding on the ground. Describe the energy transformation: …

More Similar Questions