hrbuckley hrbuckley

25-06-2020
Physics

contestada

if a rock has a speed of 12 m/s as it hits the ground, from what height did it fall assuming the speed was zero.its mass is 50 kg

Respuesta :

johnbbensoniii johnbbensoniii

25-06-2020

Answer:

a=9.8 ms−2 12^2=0^2+2×9.8×H

H=7.35m

Explanation:

To find the height the following formula should be used: v2=u2+2aH

Assuming this occurs on earth,

Answer Link

JordanLFerrer JordanLFerrer

14-09-2020

Answer:

7.3 m

Explanation:

Answer Link

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