# physics

posted by Myah

A rope attached to a truck pulls a 180-kg motorcycle at 9.0 m/s. The rope exerts a 400-N force on the motorcycle at an angle of 15∘ above the horizontal.

What is the work that the rope does in pulling the motorcycle 300 m?

1. bobpursley

work= force*distance=400cosine15*300

2. h

jyhdjdjtdj

3. Anonymous

300

## Similar Questions

1. ### physics

Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 60.0 degrees with the horizontal. Beth exerts a force of 125 N on the rope. What …
2. ### Physics

Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 49 with the horizontal. If Beth exerts a force of 148 N on the rope, what is the …
3. ### Physics

Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 65.6 ◦ with the horizontal. If Beth exerts a force of 162.2 N on the rope, …
4. ### physics

a sailor pulls a boat along a dock by a rope held at an angle of 55.5 with the horizontal. How much work is done if the sailor exerts a force of 345 N on the rope and pulls the boat 23.8 m?
5. ### Physics

A boat with a horizontal tow rope pulls a water skier. She skies off to the side, so the rope makes an angle of 15.0° with her direction of motion, but in the same direction as the boat is traveling. The tension in the rope is 160 …
6. ### Physics

Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 60.9 ◦ with the horizontal. If Beth exerts a force of 116 N on the rope, what …
7. ### maths

A box of mass 3 units rests on a horizontal rough surface and is tied to the end of a rope. Peter pulls on the rope and exerts a force of magnitude sqrt(2g) with the rope making an angle of Pi/4 with the horizontal. Given that the …
8. ### Physics

A person exerts a force of 90 N on a rope that pulls a sled across a very smooth surface. The rope is oriented 37∘ above the horizontal. The sled has a total mass of 40 kg . The sled starts at rest and moves for 10 m.
9. ### Physics

A 55-kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 41.0 ∘ above the horizontal. If the tension in the rope is 195 N , how much work is done on the crate by the rope to …
10. ### Physics

Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 44.8 ◦ with the horizontal. If Beth exerts a force of 146.8 N on the rope, what …

More Similar Questions