A runaway semi-truck that has a mass of 35,745 kg travels down a hill at a velocity of 142 km/hr. (a) What is the magnitude of the momentum of the semi-truck? Number (b) The brakes apply a force of 3,864 N to slow the truck down. How many seconds will it take to bring the truck rest? Number

A runaway semi-truck that has a mass of 35,745 kg travels down a hill at a velocity of 142 km/hr. (a) What is the magnitude of the momentum of the semi-truck? Number (b) The brakes apply a force of 3,864 N to slow the truck down. How many seconds will it take to bring the truck rest? Number

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter10: Systems Of Particles And Conservation Of Momentum

Section: Chapter Questions

Problem 10PQ: The velocity of a 10-kg object is given by v=5t2i(7t+2t3)j, where if t is in seconds, then v will be...

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Question

A runaway semi-truck that has a mass of 35,745 kg travels down a hill at a velocity of 142 km/hr.
(a) What is the magnitude of the momentum of the semi-truck?
Number
(b) The brakes apply a force of 3,864 N to slow the truck down. How many seconds will it take to bring the truck to
rest?
Number
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