A80 g , 37-cm-long rod hangs vertically on a frictionless, horizontal axle passing through its center. a 11 g ball of clay traveling horizontally at 2.3 m/s hits and sticks to the very bottom tip of the rod. to what maximum angle, measured from vertical, does the rod (with the attached ball of clay) rotate? express your answer to two significant figures and include the appropriate units.

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.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

What are some important factors to consider when choosing a warm-up before your workout?