A spring with spring constant 19 hangs from the ceiling. a, Ask an Expert

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Q. An object is placed 94-cm from a concave mirror of radius 63- cm.

Find out the location of the image. (Enter in cm. Use a negative number if the image is behind the mirror)

Q. A spring with spring constant 19 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 2.5 and released. The ball makes 33 oscillations in 15 seconds. What is its utmost speed?

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