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A boy throws a water balloon such that it hits his sister standing 10m away. The boy threw the water balloon at an angle of 35 degrees. How hard did he throw the balloon?
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A boy throws a water balloon such that it hits his sister standing 10m away. The boy threw the water balloon at an angle of 35 degrees. How hard did he throw the balloon?

User Jussi Kosunen
by
4.4k points

1 Answer

5 votes

Answer:

10.21 m/s

Step-by-step explanation:

∆x =( v ^2 sin(2θ))/ g

rearrange this to get

v=√Δx·(g÷ sin(2θ))

Plug it in

v=√10·(-9.8÷sin(2·35))

Solve

v=10.21

User JRM
by
4.8k points
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