Consider a situation where two moving objects collide, stick to each other, and move off together.Kinetic energy is definitely not conserved
a. True
b. False
Indicate whether the statement is true or false
True
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When a gas is heated and becomes a plasma, its electric charge is usually
A) balanced. B) negative. C) positive. D) non-existent. E) none of these
If the Andromeda Galaxy collided with the Milky Way, what would most likely happen to Earth?
A) nothing B) The Sun and all its planets would be crushed by collisions with stars and planets from the Andromeda Galaxy. C) The Sun would not be disturbed, but the solar system would be ripped apart. D) The Sun would die, causing Earth to die as well.
It is difficult to see the roadway when driving on a rainy night mainly because
A) light scatters from raindrops and reduces the amount of light reaching your eyes. B) of additional condensation on the inner surface of the windshield. C) the film of water on your windshield provides an additional reflecting surface. D) the film of water on the roadway makes the road less diffuse. E) none of the above
Leonardo da Vinci's Mona Lisa is 21 in. wide and 30.25 in. tall. What is the area of the painting in square centimeters? (1.00 m = 39.37 in.)
A) 4,100 cm2 B) 1,600 cm2 C) 660 cm2 D) 3,300 cm2 E) 2,400 cm2