A projectile enters a resisting medium at x = 0 with an initial velocity v 0 =

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A projectile enters a resisting medium at x = 0 with an initial velocity v0 = 1000 ft/s and travels 3 in. before coming to rest. Assuming that the velocity of the projectile is defined by the relation v = v0 - kx, where v is expressed in ft/s and x is in feet, determine 


(a) The initial acceleration of the projectile, 


(b) The time required for the projectile to penetrate 2.5 in. into the resisting medium.image

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Vector Mechanics For Engineers Statics And Dynamics

ISBN: 9781259977206

12th Edition

Authors: Phillip J Cornwell, E Russell Jr Johnston, David Mazurek, E Russell Johnston Jr, Ferdinand P Beer, Brian

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