Windmill energy transformation

Which units are used to express sound intensity? Decibels Hertz Volts Amperes

High power laser has a beam diameter of 1 mm and generates an electric field with an amplitude of 0.9 MV/m at the target. Find the average power of the laser. a) 511 W b) 845 W c) 700 W d) 667 W e) 1040 W

Which statement best explains why nonpolar substances have low solubility in water? a) They are much larger than water. b) They are much denser than water. c) They have strong mutual attractions. d) They cannot form hydrogen bonds to water.

To understand the meaning and possible applications of the work-energy theorem. In this problem, you will use your prior knowledge to derive one of the most important relationships in mechanics: the work-energy theorem.

You are out running and the first mile takes you 10 minutes. The second mile takes you 20 minutes. This is an example of negative acceleration. velocity. instantaneous speed. positive acceleration.

A person whose mass is 72 kg has a momentum of 700 kg/m/s (E). What velocity must this person be travelling at? (2 sig figs)

How many structures do prokaryotic cells have in common with the eukaryotic cells? 2 3 4 5

An astronaut throws a rock. the rock travels through outer space at a constant velocity. which statement applies to the motion of this rock? A - an unbalanced force is acting on the rock, causing it to accelerate.

What is a unit of acceleration? a. m/s b. m/s2 c. m2/s d. kg-m/s2

Windmill energy transformation