Suppose that no heat is exchanged with the surroundings

Reference no: EM1344950

Q. The ceramic coffee cup , with m = 111 g and c = 1090 J/ (kg · K), is initially at room temperature (24.0° C). If 265 g of 80.3 C coffee and 12.2 g of 5.00° C cream are added to the cup, what is the equilibrium temperature of the system? Suppose that no heat is exchanged with the surroundings, and that specific heat of coffee and cream are the same as the specific heat of water.

Q. The men's world record for the shot put, 23.12m, was set by Randy Barnes of the United States on May 20, 1990.
If the shot was launched from 6 f above the ground at an initial angle of 42 degrees, what was its initial speed?

Reference no: EM1344950

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