A ball is thrown at a angle of 30° from horizontal with a initial speed of 20m/s, then find the flight.(take g = 10m/s²)
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T=2u sin@/g
=2×20sin30/10
=2×20×0.5/10
=2s
=2×20sin30/10
=2×20×0.5/10
=2s
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