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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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A 42.0-kg seal at an amusement park slides from rest down

Chapter 8, Problem 47P

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QUESTION:

Problem 47P

A 42.0-kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75 m higher than the surface of the water, and the ramp is inclined at an angle of 35.0° above the horizontal. If the seal reaches the water with a speed of 4.40 m/s, what are (a) the work done by kinetic friction and (b) the coefficient of kinetic friction between the seal and the ramp?

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QUESTION:

Problem 47P

A 42.0-kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75 m higher than the surface of the water, and the ramp is inclined at an angle of 35.0° above the horizontal. If the seal reaches the water with a speed of 4.40 m/s, what are (a) the work done by kinetic friction and (b) the coefficient of kinetic friction between the seal and the ramp?

ANSWER:

Step 1 of az

A 42.0 kg seal is sliding down from 1.75 m high ramp having slope of angle 35°. The final velocity of the seal is 4.40 m/s,

  1. Calculate the work done by the friction.
  2. Alsoc calculate the coefficient of kinetic friction between seal and ramp

(a)

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