# Physics

posted by .

A 79.4 kg bobsled is pushed along a horizontal
surface by two athletes. After the bobsled is
pushed a distance of 7.1 starting from rest, its
speed is 4.7 m/s.
Find the magnitude of the net force on the
bobsled.

## Similar Questions

1. ### physics

please show me in steps how to solve this thanks alot! A bobsled zips down an ice track, starting from rest at the top of a hill with a vertical height of 150m. Disregarding friction, what is the velocity of the bobsled at the bottom …
2. ### physics

A bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 165 m high hill. The acceleration of gravity is 9.8 m/s2 . Neglect friction and air resistance and determine the bobsledâ€™s speed at the bottom …
3. ### Physics

The speed of a bobsled is increasing because it has an acceleration of 2.4 m/s2. At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 450 N. The mass of the bobsled and its …
4. ### Physics

A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.
5. ### physics

In the first 3.8 seconds of a bobsled run, the 57 kg sled is pushed until it reaches a speed of 1.1 m/s. The flat surface has a coefficient of friction of 0.06. What is the acceleration of the sled in this time?
6. ### physics

A student wearing frictionless in-line skates on a horizontal surface is pushed, from rest, by a friend with a constant force of 45 N. How far must the student be pushed, starting from rest, so that her final kinetic energy is 352 …
7. ### physics

A 75 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5 m starting from an initial speed of 1.2 m/s, its speed is 6.0 m/s. What is the change in kinetic energy?
8. ### Physics

Josie and Charlotte push a 14-kg bag of playground sand for a sandbox on a frictionless, horizontal, wet polyvinyl surface with a constant, horizontal force for a distance of 8 m, starting from rest. If the final speed of the sand …
9. ### science

A 34.0-kg crate is being pushed across a floor. The net horizontal force on the crate is 80.0N. Starting from rest, the crate is pushed over a distance of 4.4m. What is the final speed of the crate?
10. ### Physics

a 45-kg box initially at rest is being pushed with a force of 950 N along a frictionless horizontal surface. What is the speed of the boz after traveling a distance of 2.0m

More Similar Questions