A runner generates 1260 W of thermal energy. If this heat has to be removed only by evaporation, how much water does this runner lose in 15 minutes of running? The latent heat of vaporization of water is 22.6 * 105J/kg.

Tom and ted are sitting on seprate chairs that have wheels. tom pushes ted and, in turn, he starts moving too. in which direction does tom move?

Law of conservation of mass "When you burn a log in the fireplace, the resulting ashes hae a mass less than that of the original log. Account for the difference in mass."

What are the three important safety factors for surgical technologists to consider when exposed to ionizing radiation?

What happens to the atomic number of an atom when the number of neutrons in the nucleus of that atom increases? It decreases It doubles It remains the same

How does the force of gravity on a raindrop compared with the air drag it encounters?

ne mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 8.41 liters against a constant external pressure of 1.00 atm. How much work (in joules) is performed on the surroundings? Ignore significant figures for this problem.

Is physical science part of physics?

Which statement is true about the atomic mass?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.