If mike is traveling on a bicycle to his cousins house , jason and he travels a total distance of 55m north and it took mike 30 minutes what is his velocity

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Avalue that describes how heavy an object is and is related to the force of gravity is

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.