How much of the earths water is usable as a freshwater resource

How do density and buoyancy play a role in it's ability to float?

What is the frequency of X-rays of 10 nm wavelength? 6 x 1016 Hz 3 x 1016 Hz 3.00 Hz 6 x 108 Hz

Select the correct answer. Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased? O A. The charge on B decreases. OB. The charge on B increases. OC.

The SI unit of force is the A. meter. B. joule. C. newton. D. kilogram.

Calculate kinetic energy: find the kinetic energy of a ball with a mass of 0.06 kg moving at 50 m/s. your answer

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A person carries a mass of 10 kg and walks along the + x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A) 20 J B) None of the other choices is correct. C) 0 J D) 200 J

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

What is velocity-time graph?