Physics, 21.10.2020 01:01 corbinfisher
On top of a cliff of height h, a spring is compressed 5m and launches a projectile perfectly horizontally with a speed of 75 m s . It hits the ground with speed 90 m s . How high above the ground was the cliff? (Hint: use energy conservation to make the problem easier!)
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On top of a cliff of height h, a spring is compressed 5m and launches a projectile perfectly horizon...
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