The radar tracking antenna oscillates about its vertical axis according to = 0 cos t,

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The radar tracking antenna oscillates about its vertical axis according to θ = θ0 cos ωt, where ω is the constant circular frequency and 2θ0 is the double amplitude of oscillation. Simultaneously, the angle of elevation Φ is increasing at the constant rate Φ˙ = K. Determine the expression for the magnitude a of the acceleration of the signal horn (a) as it passes position A and (b) as it passes the top position B, assuming that θ = 0 at this instant.

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Engineering Mechanics Dynamics

ISBN: 9781118885840

8th Edition

Authors: James L. Meriam, L. G. Kraige, J. N. Bolton

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