determine the missile’s height hB and speed vB. If by internal controls the missile is then suddenly pointed 45° as shown, and allowed to travel in free flight, determine the maximum height attained, hC, and the range R to where it crashes at D.

determine the missile’s height hB and speed vB. If by internal controls the missile is then suddenly pointed 45° as shown, and allowed to travel in free flight, determine the maximum height attained, hC, and the range R to where it crashes at D.

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Question

The missile at A takes off from rest and rises vertically
to B, where its fuel runs out in 8 s. If the acceleration
varies with time as shown, determine the missile’s height h_B
and speed v_B. If by internal controls the missile is then
suddenly pointed 45° as shown, and allowed to travel in
free flight, determine the maximum height attained, h_C,
and the range R to where it crashes at D.

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