Why use nuclear power on a satellite?
a. It can supply energy for many years on long space missions.
b. Solar cells don't work well in the outer solar system far from the Sun.
c. Sending radioactive materials into space is a good way to get rid of them so they don't create a hazard on Earth.
d. all of the above
a, b
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A nearsighted person has a near point of 12 cm and a far point of 17 cm. If the corrective lens is 2.0 cm from his eye,
(a) what lens power will enable this person to see distant objects clearly, and (b) what then will be the new near point of his eye?
The Jurassic is a(n)
a. epoch. b. era. c. eon. d. period.
The emf produced by an ac generator is given by 
NBA sin 
t. In the SI system, what is the value of 
for a frequency of 60.0 Hz?
A. 60.0 Hz
B. 120 rad/s
C. 2.00
rad/s
D. 377 rad/s
E. 377 Hz
Car 1 with mass m rounds an unbanked curve of radius R traveling at a constant speed src="https://sciemce.com/media/4/8b3b5fb217c65962020-02-23 21_17_31-ch07_clicker [Compatibility Mode] - Microsoft PowerPoint.png" class="w-image" /> of the sideward static friction force on car 1?
. Car 2 with mass 2m rounds a curve of radius 2R traveling at a constant speed 2
. How does the magnitude 
of the sideward static friction force acting on car 2 compare with the magnitude
A. 
B. 
C. 
D. 
E. 
F. Other (specify)