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Grade 99 grade science

A ball is thrown from a field with a speed of 20m /s at an angle of 45 with the horizontal. At what distance will it hit the field again

Profile image of Akshat Varshney
8 Years agoGrade 9
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1 Answer

Profile image of Arun
8 Years ago
Dear Akshat
 
Horizontal Range = u² sin 2\theta/g
= 20² sin(90°)/10 = 400/10
= 40 metres
 
Hence at a distance of 40 metres it will hit the ground.
 
Regards
Arun (askIITians forum expert)