26-01-2020
Physics

contestada

If a rock of mass 1 kilogram is thrown straight upward with an initial speed of 40 m/s, how high above the point it is released will it go? Select one: a. 40 m b. 80 m c. 20 m d. 50 m

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26-01-2020

Answer:

B

Explanation:

H = v^2 / 2g = 40^2 / 2 (9.8) = 80m

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