Astring is wrapped around a pulley with a radius of 2.0 cm and no appreciable friction in its axle. the pulley is initially not turning. a constant force of 50 n is applied to the string, which does not slip, causing the pulley to rotate and the string to unwind. if the string unwinds 1.2 m in 4.9 s, what is the moment of inertia of the pulley?
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Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement
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Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
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Astring is wrapped around a pulley with a radius of 2.0 cm and no appreciable friction in its axle....
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