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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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Section
BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

(a) Calculate the relativistic kinetic energy of a 1000-kg car moving at 30.0 m/s if the speed of light were only 45.0 m/s. (b) Find the ratio of the relativistic kinetic energy to classical.

To determine

(a)

The relativistic kinetic energy.

Explanation

Given data:

Velocity is v=30m/s.

Speed of light is v=45.0m/s

Mass is m=1000kg

Formula used:

The Lorentz factor is,

  γ=11v2c2    ....... (1)

The relativistic kinetic energy is,

  K.Erel=(γ1)mc2    ...... (2)

Calculation:

Substite the given value in equation (1).

  γ=11(30

To determine

(b)

The ratio of relevestic kinetic energy to classic.

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