Suppose you have three identical lightbulbs, some wire, and a battery. You connect one lightbulb to the battery and take note of its brightness. You add a second lightbulb, connecting it in series with the previous lightbulbs, and again take note of the brightness. Repeat the process with the third lightbulb, connecting it in series with the other two. As the lightbulbs are added, the power
delivered by the battery (neglect the battery’s internal resistance)
1.increases.
2.decreases.
3.remains the same.
4.Need more information.
2
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64,200,000,000 is equal to
a. 6.42 × 10^7. b. 6.42 × 10^?7. c. 6.42 × 10^10. d. 6.42 × 10^?10. e. 1.0 × 10^64.2.
If an object of mass 8 kg has a velocity of 7 m/s, what is its linear momentum?
a. 56 kg-m/s b. 1.1 kg-m/s c. 0.88 kg-m/s d. 15 kg-m/s e. cannot be determined
The Crab Pulsar has a period that is currently of length 33.085ms. It is estimated to have an equatorial radius of 15km, about average for a neutron star. The pulsar is slowing in its rotation so that it is expected to come to rest 
in the future. What is the value of the tangential acceleration of an object on the neutron star’s equator?
A. 
B. 
C. 
D. 
E. 
In the U.S., AC line voltage oscillates at a frequency of __________
Fill in the blank(s) with correct word