Why is the full Moon the brightest light in the night sky?
Answer: Its closer to earth
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If an alloy form is produced by mechanical deformation, such as rolling, it is _________.
Fill in the blank(s) with the appropriate word(s).
If 500 electrons are placed on a conducting sphere of radius 10
m, what is the potential at its surface?
A. 100 V B. -10,000 V C. 32 V D. -72 mV E. -72 V
A 1.0-?F and a 2.0-?F capacitor are connected in series across a 3.0-V battery. (a) What is the voltage across the 1.0-?F capacitor? (b) What is the voltage across the 2.0-?F capacitor?
What will be an ideal response?
Two cars are traveling around identical circular racetracks. Car A travels at a constant speed of 20 m/s. Car B starts at rest and speeds up with constant tangential acceleration until its speed is 40 m/s. When car B has the same (tangential) velocity as car A, it is always true that:
a. it is passing car A. b. it has the same linear (tangential) acceleration as car A. c. it has the same centripetal acceleration as car A. d. it has the same total acceleration as car A. e. it has traveled farther than car A since starting.