The photograph shows an alarm clock ringing. What is the medium for the sound waves?

A. Water
B. Air
C. Rocks
D. Ears

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.

What is the angular momentum of the bar about the axle?

If 130 j of energy were added to 1 kg of each of the samples listed in the answer choices, which would experience the greatest temperature increase