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OpenStudy (anonymous):
Anne releases a stone from a height of 2 meters. She measures the kinetic energy of the stone at 9.8 joules at the exact point it hits the ground. What is the mass of the stone? a) 0.5 kilograms b) 0.6 kilograms c) 0.4 kilograms d) 0.9 kilograms
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OpenStudy (anonymous):
A. 0.5
OpenStudy (anonymous):
@graceface
OpenStudy (anonymous):
Thank you! (:
OpenStudy (anonymous):
welcome :)
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