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A stone is thrown with an initial speed of 12 m/s at an angle of 51° above the horizontal from the top of a 32 m building. If 9.8m/s² and air resistance is negligible. Then calculate the following: a. the magnitude of the horizontal components of initial velocity? b. the magnitude of the vertical component of initial velocity? c. the horizontal component of the rock just before hitting the ground Vₓ ? d. time to reach the ground? e. the vertical component of the rock just before hitting the ground Vᵧ ? f. velocity just before touching the ground? g. horizontal displacement (Range) of the stone?
Sagot :
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