Two cars suffer a head-on collision. What is conserved in the collision?
A) mechanical energy and momentum
B) kinetic energy
C) momentum
D) (Neither energy nor momentum is conserved.)
C
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Faraday's law of induction states that the emf induced in a rectangular loop of wire is proportional to
A. the magnetic flux. B. the time variation of the magnetic flux. C. current divided by the time. D. the magnetic flux density times the area of the loop.
The occasional backward motion of the planets against the background of fixed stars is called _____
A) anterograde motion B) rotation C) oscillation D) retrograde motion
A laser can be used for very accurate measurements of distances between objects
a. True b. False Indicate whether the statement is true or false
Sediments that are transported to the sea in solution are known as ______________ sediments
Fill in the blank(s) with correct word