About how much power does a sprinter produce if he transforms 2.7 kJ of chemical energy from food into kinetic energy and thermal energy in 14.0 s?
a. 37.8 W
b. 0.2 W
c. 193 W
d. 5.2 W
e. none of these

What is friction? how does it affect the motion of an object?

What is the relationship between globular clusters and the milky way?

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.