A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?

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A:

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A: Kinetic energy = 1698.9 joule

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Q: Suppose you are using a see-saw with your friend. You have a weight of 500 N and your friend has a…

A: Given data: The weight of man is W=500 N. The weight of friend is W'=600 N. The distance of man from…

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A: there are two ways we can move energy around- 1) Electrically- by electrically process energy move…

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A: Energy come from to cause this increase as potential energy Potential energy increase in this case…

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Q: What is work done by Earth's gravitational force in keeping the moon in the orbit?

A: The work done by the earth's gravitational force in keeping the moon in the orbit is zero.

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A: Given: The mass of the classmate is 72 kg.            The distance is 1.3 m.  To determine: The work…

Q: How much power is required to lift a 3061 g chair at a height of 0.20 m in 2 s?

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Q: A wheel turns 2 revs in 4 seconds. What is w?

A: Given information The number of revolutions of wheel is given as N = 2 rev. The time duration is…