Quiz: Understanding and Describing Motion Which of the following are vector quantites?
An acceleration of 9.8 m/s2
O A displacement of 3 m.
A time of 92 s.
A distance of 48 m.
A velocity of 45 m/s East.
A speed of 110 km/h.

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.