A ball is thrown from the top of a building 45 m high with a speed 20 m s^-1 above the horizontal at an angle of 30^@. Find (a) The time taken by the ball to reach the ground. (b) The speed of ball just before it touches the ground.
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10_/3 m/s is your answer;
Please help me, by marking as brainliest answer :)
10_/3 m/s is your answer;
Please help me, by marking as brainliest answer :)
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