Nellie lifts a 100 N crate to 1 m height, how much work has Nellie done? (ignore friction) 1000 J 10 J 100 J None above A model Ferrari car with three times as much speed as Bugatti car, has kinetic energy that is (ignore friction) the same twice none of the above three times

Nellie lifts a 100 N crate to 1 m height, how much work has Nellie done? (ignore friction) 1000 J 10 J 100 J None above A model Ferrari car with three times as much speed as Bugatti car, has kinetic energy that is (ignore friction) the same twice none of the above three times

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 72P: A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a...

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Question

I need help with this problem and an explanation for the solution described below. (University Physics 1: Work, Energy)

Nellie lifts a 100 N crate to 1 m height, how much work has Nellie done? (ignore friction)
1000 J
10 J
100 J
None above

A model Ferrari car with three times as much speed as Bugatti car, has kinetic energy that is (ignore friction)
the same
twice
none of the above
three times

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