Physics, 09.09.2020 21:01 TheOneandOnly003
5. A catapult has two rubber arms, each with a square cross-section with a width 4 mm and length 300 mm. In use, its arms are stretched to three times their original length before release. Assume that the elastic modulus of rubber is 10-3 GPa and that the value does not change when the rubber is stretched. How much energy is stored in the catapult just before release
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5. A catapult has two rubber arms, each with a square cross-section with a width 4 mm and length 300...
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