Two rockets are launched at a fireworks display. Rocket A is launched with an initial velocity v

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Two rockets are launched at a fireworks display. Rocket A is launched with an initial velocity v= 100 m/s and rocket B is launched t1 seconds later with the same initial velocity. The two rockets are timed to explode simultaneously at a height of 300 m as A is falling and B is rising. Assuming a constant acceleration g = 9.81 m/s2, determine 


(a) The time t1


(b) The velocity of B relative to A at the time of the explosion.image

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Related Book For  answer-question

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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