A runner generates 1260 W of thermal energy. If this heat has to be removed by evaporation, how much water does this runner lose in 15 minutes of running? The latent heat of vaporization of water is 22.6 × 105 J/kg
A) 50 g
B) 500 g
C) 35 g
D) 350 g
E) 40 g
B
Physics & Space Science
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As a radioactive substance gradually decays, the abundance of daughter ____ gradually increases
a. atoms b. isotopes c. elements d. cells e. nuclei
Physics & Space Science
An electron, moving toward the west, enters a uniform magnetic field. Because of this field the electron curves upward. The direction of the magnetic field is
A) towards the south. B) upward. C) towards the west. D) towards the north. E) downward.
Physics & Space Science
A car traveling at constant speed has a net work of zero done on it.
Answer the following statement(s) true (T) or false (F)
Physics & Space Science
The actual age of rock layers and geologic events is referred to as ______________ geologic time
Fill in the blank(s) with correct word
Physics & Space Science