Answer: In Exercises 2124, an object is thrown upward,dropped, or thrown downward and
Chapter 2, Problem 23(choose chapter or problem)
In Exercises 2124, an object is thrown upward,dropped, or thrown downward and travels in a verticalline subject only to gravity with wind resistanceignored. The height h, in feet, of the object above theground after t seconds is given bywhere is the initial height of the object at startingtime and is the initial velocity (speed) of theobject at time The value of is taken as posi-tive if the object starts moving upward at timeand negative if the object starts moving downward atAn object that is dropped (rather than throwndownward) has initial velocityA rocket is fired straight up from ground levelwith an initial velocity of 800 feet per second.a. How long does it take the rocket to rise 3200feet?b. When will the rocket hit the ground?
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