Physics, 15.04.2021 01:00 mhuerta71001
A big rock with a mass of 20 kg experiences a change in gravitational energy of 120 J as it is lifted up. How high was the rock lifted?
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Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
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A big rock with a mass of 20 kg experiences a change in gravitational energy of 120 J as it is lifte...
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