A computer has a mass of 3 kg. What is the weight of the computer? A. 288 N.
B. 77.2 N
C. 3N
D. 29.4 N

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

The pressure proportional to the area a- inversely b- directly c- increase d-decrease