solve this please
explaination if you can
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Answer:
h = u²sin²Φ/2g = ?
t = 2usinΦ/g = 7
t = 7= 2×u×1/10
= 70/2 = u
then u = 35
hence height = 35²×1/20 = 61.5m answer
mark brainliest
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