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.

What's cross contamination

When you see a yellow car in a parking lot, why do you see it as yellow? A. The yellow paint reflects all colors except yellow light. B. The yellow paint absorbs mostly yellow light. C. The yellow paint reflects mostly yellow light.

Choose the correct description, of what happens to the electron speeds in a more massive white dwarf. Choose the correct description, of what happens to the electron speeds in a more massive white dwarf.

What is the difference between science and pseudoscience? A. Pseudoscientific conclusions are based on empirical evidence, while scientific conclusions are not. B.

Which best describes thermal energy? It is the difference between internal energies of two or more substances. It is the sum of internal energies of two or more substances.

Which one of the following is not an organic compound? Why? CH4 C2H6O Ca0

Which structure connects muscles to bone?

A firefighter mounts the nozzle of his fire hose a distance 36.9 m away from the edge of a burning building so that it sprays from ground level at a 45° angle above the horizontal. After quenching a hotspot at a height of 8.

A force is applied to a 13.0 kg wagon to pull it down the sidewalk at a constant speed. The coefficient of kinetic friction is 0.65. Considering the resulting frictional force, what is the magnitude of the applied force?

What field (s) does a moving electron have? A. electric and gravitational fields B. magnetic and gravitational fields C. gravitational, electric, and magnetic fields D. electric field only