A motorist traveling with a constant 15m/s passes a school crossing conner where the speed limit is 10m/s, just as a motorist passes RTSA officer of a motor cycle stoped at a conner, start off in pursuit with constant acceleration of 3m/s^2. (a) how much time elapses before the officer catches up the motorist?
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During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.