The Big Bang

A) took place within space.
B) marked the beginning of space and time.
C) occurred as a result of disturbances within the Large Magellenic cloud.
D) took place within time.


Answer: B

Physics & Space Science

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According to Lenz's law, the direction of an induced current in a conductor will be that which tends to produce which of the following effects?

A) enhance the effect which produces it B) produce a greater heating effect C) produce the greatest voltage D) produce the smallest voltage E) oppose the effect which produces it

Physics & Space Science

Fission fragments are always identical

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

Which statement is incorrect?

a. A kilogram has an equivalent weight greater than that of a pound. b. A kilometer is longer than a mile. c. A meter is longer than a yard. d. A liter is larger than a quart.

Physics & Space Science

Two extremely large nonconducting horizontal sheets each carry uniform charge density on the surfaces facing each other. The upper sheet carries +5.00 µC/m2. The electric field midway between the sheets is 4.25 × 105 N/C pointing downward

What is the surface charge density on the lower sheet? (?0 = 8.85 × 10-12 C2/N ? m2)

Physics & Space Science