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After landing from your skydiving experience, you are so excited that you throw

ID: 1277785 • Letter: A

Question

After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.2m above your hands. What was the initial speed of the helmet when it left your hands?
After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.2m above your hands. What was the initial speed of the helmet when it left your hands?
After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.2m above your hands. What was the initial speed of the helmet when it left your hands?
After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.2m above your hands. What was the initial speed of the helmet when it left your hands?
After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.2m above your hands. What was the initial speed of the helmet when it left your hands?

Explanation / Answer

S= 5.2m

we know v*v-u*u = 2gS

since at highest point v=0 so

u*u = sqrt(2gS)

=>u = sqrt(101.92) = 10.96m/s

explained in details