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a projectile is shot upward off a 475 m high cliff with a speed of 65m/s at an angle of 48 with respect to the horizontal.
(a) How high does the projectile rise?
(b) What is the time of flight of the projectile?
(c) What is the range of the projectile?
(d) What is the velocity of the pojectile upon landing?
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Two carts with masses of 10.60 kg and 2.50 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.70 m/s and 3.50 m/s, in that order. The carts stick together after colliding head-on. Find the final speed of..
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