### How far the object compresses the spring

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##### Reference no: EM1390419

Q. A 1.60 kg object is held 1.20m above a relaxed, mass less vertical spring with a force steady of 320 N/m. The object is dropped onto the spring. How far does the object compress the spring?

Q. Infrared photons cause a particular piece of metal to emit photoelectrons. Would photoelectrons be emitted when the metal is illuminated by visible light?

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