Explanation Given information: At t = 0 , x = 0 , v = 54 k m / h For t = t 1 v = 54 k m / h Formula used: v = s t A = 1 2 b h Calculation: Firstly we will convert, 54 k m / h = 15 m / s . Now we have, v b = v a + ( a r e a u n d e r a − t c u r v e f r o m t a t o t b ) To determine (b) The position of the car at given time. To determine (c) The average velocity of the car during the interval at given condition.

Vector Mechanics for Engineers: Dynamics

11th Edition

ISBN: 9780077687342

Author: Ferdinand P. Beer, E. Russell Johnston Jr., Phillip J. Cornwell, Brian Self

Publisher: McGraw-Hill Education

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Chapter 11.3, Problem 11.78P

To determine

(a)

The time t1 at which the velocity is again 54 km/h at given condition.

To determine

(b)

The position of the car at given time.

To determine

(c)

The average velocity of the car during the interval at given condition.

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Chapter 11.3, Problem 11.77P

Chapter 11.3, Problem 11.79P

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Vector Mechanics for Engineers: Dynamics

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