(a) Explanation In the diagram, r p is the perihelion distance. r a is the aphelion distance. The semi-major axis of the ellipse is, a = r p + r a 2 From Kepler’s 3 rd law, the time period is, T = a 3/2 From the above equations, T = ( r p + r a 2 ) 3/2 Substitute 1.496 × 10 11 m for r p and 2.8 × 10 11 m for r a . a = [ 1.496 × 10 11 m + 2 (b) To determine The timing of the trip.

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Publisher: CENGAGE LEARNING - CONSIGNMENT

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Chapter 7, Problem 67AP

(a)

To determine

The time taken to go from earth to mars.

(b)

To determine

The timing of the trip.

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Chapter 7, Problem 66AP

Chapter 7, Problem 68AP

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Chapter 7 Solutions

EBK COLLEGE PHYSICS, VOLUME 1

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The time taken to go from earth to mars.

Solution Summary: The author explains that the time taken to go from earth to mars is 0.71 years.

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The time taken to go from earth to mars.

The timing of the trip.

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Chapter 7 Solutions