What is the maximum amplitude of diving board

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Q. A diving board oscillates with simple harmonic motion of frequency 2.5 cycles per second What is the maximum amplitude with which the end of the board can vibrate in order that a pebble placed there will not lose contact with the board during the oscillation?

Q. An insulated Thermos contains 150 cm3 of hot coffee at 83 °C. You put a 12.0 g ice cube at its melting point to cool the coffee. By how many degrees has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with the environment.

Reference no: EM1346788

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