Which one of the following is an example of a difficulty caused by thermal expansion? A. milkshakes melting B. sagging power lines on a cold day O . buckled railroad tracks on a hot day D. paint chipping off the side of a house

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

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.