A particle moves according to the law of motion s(t) = t3 - 7t2 + 5t, t≥ 0, where t is measured in seconds and s in fe a.) Find the velocity at time t. Answer: b.) What is the velocity after 3 seconds?

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A: Using partial differentiation on the above multivariable function

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A: Given: st=4-8t2 , t>0.

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A: Given y varies jointly with x & square revt at Z .If y = 30 when x = 3 & z = 25 .We have…

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Q: Find all solutions of the equation in the interval [0,2pi ). costheta =0.6002.

A: Equation : cos θ=0.6002Interval : [0, 2π)

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Q: d. L[e!n (tot)]

A: The following formulae are used in solving the given function. Ltkft=-1kdkdskLftLeat=1s-a

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Q: 11. AN OBJECT IS TOSSED VERTICALLY UPWARD WITH A VELOCITY OF 128 ft/sec AND REACHES A НEIGHT OF s(t)…

A: s(t) = -16t2+128tv(t) = ddts(t)v(t) = -16×2×t+128v(t) = -32t +128

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Q: 5 A particle's acceleration is given by the expression a(t) = 4t ²7 m/s². The particle was measured…

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