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**Unformatted text preview: **9 Rectilinear Motion – Suppose a particle moves in a straight line and has accel-eration function a ( t ) = 3 t-4. If the initial velocity is 8 ft/sec and the initial displacement is 3 ft, ﬁnd its position function s ( t ). 10 An object is projected upward from a 96-foot high bridge and with an initial velocity of 16 ft/sec. a) Find its height at any time t . b) What is its maximum height? c) When will it hit the ground? 11 A car is moving at 48 ft/sec when the brakes are applied. It decelerates at a constant rate of 6 ft/sec until it stops. If t = 0 represents the time at which the brakes are applied, how far will it go before stopping? a ( t ) = v (0) = 12...

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