Answered: A diver performs a dive from the 10 m…

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 diver performs a dive from the 10 m platform. At the instant of take-off his centre of mass is 1.25 m above the platform. At the instant his hands first touch the water (entry) his centre of mass is 1.05 m above the water. The diver's mass is 74 kg.

a) What is the diver's potential energy at the instant of take-off?

b) What is the diver's kinetic energy just before entry?

c) What was the diver's vertical velocity at entry? Take into account the direction of movement.

In 2 decimal places and in SI units.

A diver performs a dive from the 10 m platform. At the instant of take-off his centre of mass is 1.25 m above the platform. At the instant his hands first touch the water (entry)
his centre of mass is 1.05 m above the water. The diver's mass is 74 kg.
a) What is the diver's potential energy at the instant of take-off?
b) What is the diver's kinetic energy just before entry?
c) What was the diver's vertical velocity at entry? Take into account the direction of movement.
Please report your answers to 2 decimal places and in Sl units.
a) Answer:
Unit:
b) Answer:
Unit:
c) Answer:
Unit:

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