If you increase the frequency of a sound wave four times, what will happen to its speed? a. the speed will increase four times. b. the speed will decrease four times. c. the speed will remain the same. d. the speed will increase twice. e. the speed will decrease twice.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.