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A snowmobile is pulling a sled (m=375 kg) across the snowy tundra. The snowmobile applies a pulling force of 2511 N. at an angle of 15° with respect to the ground and pulls the sled over a distance of 50.0 m. 

(a) How much work is done by the snowmobile?

(b) If the sled is also being acted on by a constant kinetic friction force of 255 N and it started from rest, what is the final speed of the sled?

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Amal Jeeva
Amal JeevaLv10
12 Nov 2020

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