A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/S The sled encounters a rough spot that exerts a force of -90 Nt on the sled. (a) What is the acceleration of the sled? (b) Calculate how much work is done by the frictional force on the sled if the patch is 15 m in length. (c) What is the sled's final velocity as it leaves the rough spot?

A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/S The sled encounters a rough spot that exerts a force of -90 Nt on the sled. (a) What is the acceleration of the sled? (b) Calculate how much work is done by the frictional force on the sled if the patch is 15 m in length. (c) What is the sled's final velocity as it leaves the rough spot?

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Description: A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/s.The sled encounters a rough spot that exerts a force of -90 Nt on the sled.(a) What is the acceleration of the sled?(b) Calculate how much work is done by the frictional force on

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/s.
The sled encounters a rough spot that exerts a force of -90 Nt on the sled.
(a) What is the acceleration of the sled?
(b) Calculate how much work is done by the frictional force on the sled if the
patch is 15 m in length.
(c) What is the sled's final velocity as it leaves the rough spot?

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