A contestant in a winter sports event pulls a 55.0 kg block of ice across a frozen lake with a rope over his shoulder at an angle above the horizontal as shown below. (Enter the magnitudes. Assume that friction is not negligible.)(a) Calculate the minimum force F (in N) he must exert to get the block moving. ______N(b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained? ______m/s^2 A contestant in a winter sports event pulls a 55.0 kg block of ice across a frozen lake with a rope over his shoulder at an angle above the horizontal as shown below. (Enter the magnitudes. Assume thatfriction is not negligible.)25°(a) Calculate the minimum force F (in N) he must exert to get the block moving.(b) What is its acceleration (in m/s?) once it starts to move, if that forcemaintained?m/s²

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Answered: A contestant in a winter sports event…

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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A contestant in a winter sports event pulls a 55.0 kg block of ice across a frozen lake with a rope over his shoulder at an angle above the horizontal as shown below. (Enter the magnitudes. Assume that friction is not negligible.)

(a) Calculate the minimum force F (in N) he must exert to get the block moving.
______N

(b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained?
______m/s^2

A contestant in a winter sports event pulls a 55.0 kg block of ice across a frozen lake with a rope over his shoulder at an angle above the horizontal as shown below. (Enter the magnitudes. Assume that
friction is not negligible.)
25°
(a) Calculate the minimum force F (in N) he must exert to get the block moving.
(b) What is its acceleration (in m/s?) once it starts to move, if that force
maintained?
m/s²

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