ANSWERS: 2

you would need to know the weight of the arrow then add that onto gravity. use newtons laws, they have some formulas.

The acceleration of gravity here on Earth is 9.81 m/s^2. Given a starting velocity of 100m/s, the it would take (100m/s)/(9.81 m/s^2) = 10.2s to reach 0m/s. The average velocity is 50 m/s. So, the maximum height will be 50 m/s x 10.2 s = 510 m.
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