The ratio of the specific heat of aluminum to the specific heat of iron is 2:1. How much energy must be
transferred to the aluminum pan, compared with the amount of energy
transferred to the iron pan?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?