Astone is projected at a cliff of height h with initial speed of 42.0 m/s directed at an angle of 60 degrees above the horizontal. the stone strikes at a, 5.50s after launching. find the height of the cliff, the speed of the stone just before the impact at a, and the max height h reached above the ground
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Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600
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Astone is projected at a cliff of height h with initial speed of 42.0 m/s directed at an angle of 60...
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