1) The work required to accelerate an object initially at rest to a speed v f is W. What is the additional work needed to increase its speed from v f to 2 v f? Then finish the question by answering the following two subquestions. W W/2 2W 3W none of thema)56 J of work was done to increase the kinetic energy of a 1.90 kg mass. If the object’s initial velocity was zero, what is its speed now? 59.0 m/s 56.0 m/s 1.90 m/s 7.68 m/s None of the aboveb)A 3 kg object traveling at 4 m/s is pushed by a net force of 5 N. The speed increases to 6 m/s. Find the distance the object travels. 40.0 cm 1.20 m 4.80 m 6.00 m None of the above Please answer the entire question, including the subquestions. This is one question, and according to the guidlines I can have two subquestions. Thank you!

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Description: 1) The work required to accelerate an object initially at rest to a speed v f is W. What is the additional work needed to increase its speed from v f to 2 v f? Then finish the question by answering the following two subquestions. W W/2 2W 3W non

(1) According to the work energy theorem, the equation can be written as W=ΔKEW=12mvf2-0W=12mvf2…

Answered: The work required to accelerate an…

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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1) The work required to accelerate an object initially at rest to a speed v _f is W. What is the additional work needed to increase its speed from v _f to 2 v _f? Then finish the question by answering the following two subquestions.

		W
		W/2
		2W
		3W
		none of them

56 J of work was done to increase the kinetic energy of a 1.90 kg mass. If the object’s initial velocity was zero, what is its speed now?

		59.0 m/s
		56.0 m/s
		1.90 m/s
		7.68 m/s
		None of the above

A 3 kg object traveling at 4 m/s is pushed by a net force of 5 N. The speed increases to 6 m/s. Find the distance the object travels.

		40.0 cm
		1.20 m
		4.80 m
		6.00 m
		None of the above

Please answer the entire question, including the subquestions. This is one question, and according to the guidlines I can have two subquestions. Thank you!

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