A) What is the kinetic energy of an auto-mobile with a mass of 1297 kg traveling at a speed of 11 m/s? Answer in units of J.

b)What speed would a fly with a mass of 0.570 g need in order to have the same kinetic energy as the automobile?
Answer in units of m/s

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.