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OpenStudy (anonymous):
In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 2.0 joules. If the entire potential energy is used to release a ball of mass 1.2 kilograms vertically downward, then what is the kinetic energy of the ball when it reaches the ground? A. 1.2 joules B. 4.9 joules C. 2.0 joules D. 6.8 joules
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OpenStudy (anonymous):
@souvik
OpenStudy (souvik):
yeah...here it is... let me introduce my new physics teacher....
OpenStudy (anonymous):
okay lol :)
OpenStudy (souvik):
sir..i have a question for you..@Vincent-Lyon.Fr
OpenStudy (souvik):
perhaps he is offline now...:(
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OpenStudy (anonymous):
yahh i think so to
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