Physics

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

1. 👍 1
2. 👎 0
3. 👁 1,046
1. 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

1. 👍 2
2. 👎 0
posted by Damon

Similar Questions

1. 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? (Hint: Think action–reaction force pairs.) b) If the force of

asked by Dan on March 28, 2014
2. 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? (Hint: Think action–reaction force pairs.) b. If the force of

asked by iyzi on October 23, 2013
3. 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? (Hint: Think action–reaction

asked by iyzi on October 28, 2013
4. 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

asked by Sushmitha on February 12, 2012
5. physics

A sports car of mass 950kg (including the driver) crosses the rounded top of a hill (radius = 95m) at 22m/s. Determine a) the normal force exerted by the road on the car, b) the normal force exerted by the car on the 72kg driver,

asked by Sasha on November 3, 2009
6. 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

asked by Kane on October 21, 2012
7. 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

asked by jim on October 24, 2012
8. Physics

A sports car of mass 1400 kg (including the driver) crosses the rounded top of a hill (radius = 93 m) at 27 m/s. 1) Determine the normal force exerted by the road on the car. 2) Determine the normal force exerted by the car on the

asked by Anonymous on December 3, 2009
9. Physics

A sports car of mass 1400 kg (including the driver) crosses the rounded top of a hill (radius = 93 m) at 27 m/s. 1) Determine the normal force exerted by the road on the car. 2) Determine the normal force exerted by the car on the

asked by Anonymous on December 5, 2009
10. college

A sports car of mass 1300 kg (including the driver) crosses the rounded top of a hill (r = 86 m) at 23 m/s. Determine the normal force exerted by the road on the car. Determine the normal force exerted by the car on the 74 kg

asked by Anonymous on February 22, 2010

More Similar Questions