Which form of nitrogen can immediately be used by plants

Water flows over a section of Niagara Falls at rate of 1.1*10^6 kg/s and falls 49.4 m. How much power is generated by the falling water? The acceleration of gravity is 9.81 m/s^2.

Which of the following objects have gravitational potential energy? *Select ALL that apply. Ajet flying across the sky 4,000 m above the ground An elephant walking 1.

What characteristics of EM waves did you discover?

Which calculation is an example of velocity

A puck slides along an icy surface. what makes it slow down?

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.

What is the kinetic energy (in joules) of a. 2 kg softball thrown at a speed of 40 m/sec? (answer should be in correct units)

How is the information sent back to earth by the robots?

During which change of state do atoms lose energy? sublimation freezing boiling melting

Why does the rotation of earth require people to establish times zones?