What would be the final temperature if you mixed 1 kg of 20℃ water with 2 kg of 40℃ water?

What is Introducing to Momentum

Which of the following is a source of water pollution? a. sewage b. oil spills c. fertilizers d. all of the above

2. What is the difference between characteristics determined by genes and characteristics determined by the environment?

What is the main source of heat energy in Earth's inner core? A. friction B. solar energy C. radioactive decay D.

What is ironing shirt Receiver of thermal energy

with the wind a driver travels 300 mies in 5 hours. The return trip against the wind take the driver 6 hours. At what rate would thedriver travel without any wind What is the rate of thew ind?

How does sound travel from your vocal cords to someone's ear?

Select all the correct answers. Copper is listed in the 29th position in the periodic table. It's used for conducting electricity. What is copper? a metal a metalloid a nonmetal a noble gas an element

Neutron stars are smaller in size than less massive white dwarfs. a. True b. False

A lightning bolt carrying 30,000 A lasts for 50 micro-seconds. If the lightning strikes an airplane flying at 20,000 feet, what is the charge deposited on the plane?