a ball is thrown upward with a speed of 20 m/s at an angle 30 with horizontal find velocity
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it has two velocities : vertical and horizontal
vertical = 20×sin30 = 10m/s
horizontal = 20×cos30 = 10√3 m/s
vertical = 20×sin30 = 10m/s
horizontal = 20×cos30 = 10√3 m/s
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