How long will the balls be at the same height
A ball is thrown upward from the ground with an initial speed of 25 m/s; at the same instant, a ball is dropped from a building 10 m high. After how long will the balls be at the same height?
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Find the final temperature of the system, assuming no heat is transferred to or from the system.
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A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.50 m/s2 until its engines stop at an altitude of 190 m. (a) What is the maximum height reached by the rocket?
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A Cessna aircraft has a lift-off speed of 120 km/h. (a) What minimum constant acceleration does this require if the aircraft is to be airborne after a takeoff run of 270 m? (b) How long does it take the aircraft to become airborne?
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