Can someone help me with this? (The answer marked in red text is a incorrect answer)
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Physics, 10.10.2021 19:00 05leslun42715
Can someone help me with this? (The answer marked in red text is a incorrect answer)
Answers: 3
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
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If a simple machine reduces the strength of a force, what must be increased?
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