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A ball is projected obliquely with velocity 49m/s strike the ground at a distance 245m from the point of projection so time is

A ball is projected obliquely with velocity 49m/s strike the ground at a distance 245m from the point of projection so time is

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Grade:11

2 Answers

Saswat Pani
61 Points
6 years ago
As the ball is projected obliquely hence the angle is 45T = 2×v×sin(theta)/g = 2×49×sin(45)/9.8 =98/9.8√2 =5√2
gavini haritha
27 Points
6 years ago
Given r=245m,and u=49,we know that r=u^2sin2teta/g . From this we get angle 45, we know that total time=2usinteta/g. We should take g=9.8, by substituting we get 5√2sec

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