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In the figure, a stone is projected at a diff of height h with an initial speed of 42.0 m/s directed at an angle θο-70.0 above the horizontal. The stone strikes at A, S 61 s after launching. Find (a) the height h of the diff, (b) the speed of the stone just before impact at A, and (c) the maximum height H reached above the ground. Use 9-9.80 m/s

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u 42 ms ニ4 2 sin 70x 5-64 (42 S in 70 2.g speed alvitvy 그 21.353 m/skindly give rating

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