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When a 020-Kg Block Is Suspended from a Vertically Hanging Spring, It

question 52

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When a 0.20-kg block is suspended from a vertically hanging spring, it stretches the spring from its original length of 0.040 m to 0.045 m. The same block is attached to the same spring and placed on a horizontal, frictionless surface as shown. The block is then pulled so that the spring stretches to a total length of 0.15 m. The block is released at time t = 0 s and undergoes simple harmonic motion. When a 0.20-kg block is suspended from a vertically hanging spring, it stretches the spring from its original length of 0.040 m to 0.045 m. The same block is attached to the same spring and placed on a horizontal, frictionless surface as shown. The block is then pulled so that the spring stretches to a total length of 0.15 m. The block is released at time t = 0 s and undergoes simple harmonic motion.   -What is the speed of the block each time the spring is 5.0 cm long? A) zero cm/s B) 422 cm/s C) 344 cm/s D) 220 cm/s E) 160 cm/s
-What is the speed of the block each time the spring is 5.0 cm long?


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