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MrRissso [65]
3 years ago
8

I need help fast thx

Mathematics
1 answer:
sammy [17]3 years ago
8 0
Vi = 56
Vf = 56 + 7(3) = 56 + 21 = 77

THe average is (Vf + Vi)/2

(77 + 56)/2 = 133/2 = 66.5 m/s
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