A Ball Is Thrown at an Angle Of $45 ^ { \circ }$

question 72

Short Answer

A ball is thrown at an angle of $45 ^ { \circ }$ to the ground. If the ball lands $90 \mathrm {~m}$ away, what was the initial speed of the ball? Let $g = 9.82 \mathrm {~m} / \mathrm { s }$ .

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