venkat-r
venkat-r
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h(t) = -16t^2 + 45t + 40 taking derivative h'(t) = -32t + 45 and h'(t) = 0 gives t = 45/32 sec as the time it takes to reach the maximum height. Substituting this in the height equation gives: h(45/32) = -16*(45/32)² + 45*(45/32) + 40 = 71.6…
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h(t) = -16t^2 + 45t + 40 taking derivative h'(t) = -32t + 45 and h'(t) = 0 gives t = 45/32 sec as the time it takes to reach the maximum height. Substituting this in the height equation gives: h(45/32) = -16*(45/32)² + 45*(45/32) + 40 = 71.6…