From the top of a tower of a height 40m, a ball is projected upwards with a speed of 20m/s at an angle of of 30° to the horizontal.Distance from the foot of the tower where the ball hit the ground is 40√ βm.find β?
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nbjyuvbjhymgvbukyhjvgnhvbku,jgc mmujvhfvmhj
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nbn,hujgkuyg9p;oyuyj 49
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