Which object is usually found passing through the earths atmosphere a. meteor b. meteorite c. asteroid d. comet

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

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero