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Quick - an object is dropped from a tower, 159 ft above the ground. the object's height above ground t sec into the fall is s =159−16t^2. a. what is the object's velocity, speed, and acceleration at time t? b. about how long does it take the object to hit the ground? c. what is the object's velocity at the moment of impact?
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
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Quick - an object is dropped from a tower, 159 ft above the ground. the object's height above ground...
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