A stone is thrown from a rooftop at time t = 0 seconds.Its position at time t is given
Chapter 17, Problem 29(choose chapter or problem)
A stone is thrown from a rooftop at time t = 0 seconds.Its position at time t is given byr (t) = 10ti 5tj + (6.4 4.9t2) k.The origin is at the base of the building, which is standingon flat ground. Distance is measured in meters. Thevectori points east, j points north, and k points up.(a) How high is the rooftop above the ground?(b) At what time does the stone hit the ground?(c) How fast is the stone moving when it hits theground?(d) Where does the stone hit the ground?(e) What is the stones acceleration when it hits theground?
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