quiz5 solutions

Vx 0 t t ax t dt t 0 the displacement

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Unformatted text preview: t ) ! vx (0) = t "=t # ax (t " )dt " . t "=0 The displacement for an interval [ 0, t ] is the integral of the x-component of acceleration with respect to time, x (t ) ! x (0) = t "=t # vx (t " )dt " . t "=0 When ax (t ) is independent of time, i.e. constant, then vx (t ) ! vx (0) = ax t , 1 x (t ) = x (0) + vx (0)t + ax t ax t 2 2 however in this question, ax (t ) is non-constant so the correct answer is that you need to integrate twice. Question 3 An airliner made an emergency landing at the Los Angeles airport with its nose wheel locked in a position perpendicula...
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