A cup of water with ice floating in it is at the level of the brim (near to overflowing). As the ice melts, what will the water in the cup do?

1.It will spill out of the cup.
2.It will drop in level.
3.It will stay at the same level, right at the cup's brim.
4.It is impossible to determine.


3

Physics & Space Science

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What is the maximum kinetic energy (in eV) of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?

a. 1.9 b. 1.2 c. 3.1 d. zero e. 6.2

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a. True b. False Indicate whether the statement is true or false

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A 2.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. The displacement is given by the expression x(t) = 12.0 cm sinWhat is the period of the simple harmonic motion?

A. 4.75 sec B. 4.27 sec C. 3.95 sec D. 3.36 sec E. 2.96 sec

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