Imagine how mercury might be different if it had the same mass as earth. Explain.

During nuclear fission great amounts of energy are produced from

What are the size and direction of the force that is the sum of a force of 3 n acting south and a force of 6 n acting north?

What happens to the chemical energy of a lithium-ion battery as it is discharged to power a laptop computer? Does it increase, decrease, or remain unchanged?

What is the chemical equation, for li2+h20-li0h, use the drop down menu?

A car speeds up from 5 m/s to 12 m/s in 20 seconds. What is the acceleration of the car? O A. 29 m/s2 O B. 0.35 m/s2 C. 2.1 m/s2 O D. 11 m/s2 O O

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

Which statement best describes the kinetic theory of matter? Matter is made up of compounds that are in constant motion and have energy. Matter is made up of particles that seldom move and do not possess energy.

Why can we see our breath on a cold winter day

True or false describing a metal as malleable means that it can be pounded into a new shape

A 40 kg-skier starts at the top of a 12-meter high slope. At the bottom, she is traveling 10 m/s. How much energy does she lose to friction? A. She doesn't lose any because mechanical energy is always conserved. B. 4,704 J C. 2,000 J D. 2,704 J