Explanation Given: Mass of bullet = m b = 0.08 32.2 = 0.0024 l b . s 2 / f t The velocity of the bullet, v b = 1800 f t / sec Mass of bar, m B = 15 32.2 = 0.4658 l b . s 2 / f t Length of the bar, L = 30 i n = 2.5 f t The distance of support, h = 12 i n = 1.0 f t Concept used: The principle of kinetics, Moment of inertia Calculation: According to the principle of kinetics, Taking moment about B, 0 + 0 = I − m B v G ( L 2 ) But, v B = ( L − h ) ω ( 2 To determine (b) The corresponding angular velocity of bar immediately after the bullet becomes embedded.

12th Edition

ISBN: 9781260265521

Author: BEER

Publisher: MCG

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Chapter 17.3, Problem 17.98P

To determine

(a)

The required distance when the impulsive reaction at C is zero.

To determine

(b)

The corresponding angular velocity of bar immediately after the bullet becomes embedded.

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Chapter 17.3, Problem 17.97P

Chapter 17.3, Problem 17.99P

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(a) The required distance when the impulsive reaction at C is zero.

Solution Summary: The author calculates the distance at which the impulsive reaction at C is zero by simple calculations and applying kinematics principle.