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I want the answer with full solution.

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Grade:11

1 Answers

Akshay
185 Points
8 years ago
Assume the starting point is (0,0),
U =  6 i + 8 j,
a = -10 j,
s = U * t + 0.5 * a * t2,
s = (6t i + 8t j) + (-5t2 j )
s = 6t i +(8t – 5t2) j,
final y-coordinate will be 0,
so 8t – 5t2 =0, t=0 or t=8/5,
t=0 is initial point and t=8/5 is the final one,
put t=8/5
s = 6*8/5 i = 9.6 i,
so range =9.6

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