A. Bulb A glows but bulb B goes out.
B. Bulb B glows but bulb A goes out.
C. Both bulbs continue to glow.
D. Both bulbs go out.
E. One needs more information to answer.


A. Bulb A glows but bulb B goes out.

Physics & Space Science

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Two charged bodies separated by a distance d exert an electrical force on each other. The distance d is doubled. The electrical force on each body is now 1/2 of the original force

Indicate whether the statement is true or false

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A 2.00 kg piece of lead at 40.0°C is placed in a very large quantity of water at 10.0°C, and thermal equilibrium is eventually reached. Calculate the entropy change of the lead that occurs during this process. The specific heat of lead is 130 J/(kg ? K)

A) -12.5 J/K B) 86.0 J/K C) -26.2 J/K D) -86.0 J/K E) -6.24 J/K

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The rate of cratering in the lunar highlands shows us that:

A) they must be younger than the older, darker mare. B) they range from 4.6-4.4 billion years old, on average. C) the largest impacts are the youngest, such as Copernicus and Tycho. D) the oldest rocks are at least as old as the mare, but some craters are much younger. E) most of the asteroids must have hit the Moon, not the Earth.

Physics & Space Science

The interval from new Moon to first quarter is about a(n)

A) hour. B) day. C) week. D) month. E) year.

Physics & Space Science