What does a condenser in a coal-burning power plant do?

a. cools the steam so it can be converted back to liquid water

b. heats the water so it can produce steam

c. collects the steam and releases it back to the atmosphere

Visible electrical discharge from a storm cloud is called?

2. What is the speed (v) of a wave that has a wavelength (a) of 2 m and a frequency (f) of 6 Hz?

Why efficiency of a simple machine can not exceed 100%

In which of the following locations is an island arc likely to form? A. At a hotspot B. Near a transform fault C. Along a divergent plate boundary D. Along two converging oceanic plate boundaries

The current through a device is 0.30 A, and the resistance in the device is 20 many 1.5 V batteries are required to run the device?

According to the kinetic-molecular theory, gases condense into liquids because of

What does sound travel throu better

How does a change in resistance affect the conductivity of a material? A) The lower the resistance, the worse the conductivity B) The lower the resistance, the better the conductivity C) The higher the resistance, the better the conductivity D) The

Two railroad cars, each of mass 6500 kg and traveling 80 km/h in opposite directions, collide head-on and come to rest. how much thermal energy is produced in this collision?

What is a result of using a machine?