3. What mass of copper at 90°C, when added to 200 g of water at 20° C will give a final temperature of 25° C?

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

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

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant