Explanation Given information: A baseball has a mass 0.3 lb and the velocity of a baseball is a 94-mile-per-hour fastball. The kinetic energy of a body is given as; K . E . = 1 2 m v 2 Where m is the mass of baseball (in lb) and v is the velocity of baseball (in ft . sec . − 1 ) The conversion of a mile per hour into foot per second is given as; 1 mile hour − 1 = 1.467 ft .sec . − 1 The conversion of foot-pound second unit to British thermal unit is given as: 1 ft-lbf = 1 778.169 Btu Calculation: The velocity will be: 94 mile hour − 1 = 1

Fundamentals Of Engineering Thermodynamics, 9e

9th Edition

ISBN: 9781119391432

Author: MORAN

Publisher: WILEY

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Chapter 2, Problem 2.1P

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Chapter 2 Solutions

Fundamentals Of Engineering Thermodynamics, 9e

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