# Physics

posted by .

The driver accelerates a 240.0 kg snowmobile, which results in a force being exerted that speeds up the snowmobile from 6.00 m/s to 28.0 m/s over a time interval of 60.0 s.

b. What is the snowmobile's change in momentum? What is the impulse on the snowmobile?
c. What is the magnitude of the average force that is exerted on the snowmobile?
I don't understand how to solve this problem exactly, I little confused

• Physics -

final momentum = 240*28 = 6720 kg m/s
original momentum = 240*6 = 1440 kg m/s

change in momentum = 6720-1440 = 5280 kg m/s

impulse = average force * time = change in momentum
so impulse = 5280 kg m/s

average force = (change in momentum or impulse)/time

= 5280 kg m/s / 60 s = 88 kg m/s^2 or Newtons

## Similar Questions

1. ### physics

a snowmobile has a mass of 2.5*10^2 kg. A constant force acts upon it for 60 seconds. The snowmobile's inital velocity is 6 m/s and its final velocity is 28 m/s. a) find its change in momentum of the ball. b) what is the magnitude …
2. ### physics

under the influence of its drive force, snowmobile is moving at constant velocity along a horizontal patch of snow. When drive force is shut off, snowmobile coasts to a halt. a) During the coasting phase, what is the net external force …
3. ### Physics

Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of …
4. ### Physics

Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of …
5. ### physics

1. A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. a. What force is responsible for the snowmobile’s resulting forward motion?
6. ### physics need urgent helpp

i have tried everything, please helpp A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. What force is responsible for the snowmobile’s resulting forward motion?
7. ### Physics 141

A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C?
8. ### Physics

A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. a) What force is responsible for the snowmobile’s resulting forward motion?
9. ### physics

A snowmobile is pulling a large sled across a snow-covered field. The weight of the sled is 3560 N. If the coefficient of friction of the sled is 0.12, what is the pulling force supplied by the snowmobile?
10. ### Physics

A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C?

More Similar Questions