A helicopter lifts a 85 kg astronaut 13 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. How much work is done on the astronaut by (a) the force fro the helicopter and (b) the gravitational force on her? Just before she reaches the helicopter, what are her (c) kinetic energy and (d) speed?

A helicopter lifts a 85 kg astronaut 13 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. How much work is done on the astronaut by (a) the force fro the helicopter and (b) the gravitational force on her? Just before she reaches the helicopter, what are her (c) kinetic energy and (d) speed?

Name: A helicopter lifts a 85 kg astronaut 13 m vertically from the ocean b
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Description: A helicopter lifts a 85 kg astronaut 13 m vertically from the ocean by means of a cable. Theacceleration of the astronaut is g/10. How much work is done on the astronaut by (a) the force fromthe helicopter and (b) the gravitational force on her? Jus

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 5CQ: Suppose you throw a ball upward and catch it when it returns at the same height. How much work does...

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