Why does Europa's surface promise life of some kind?
What will be an ideal response?
Europa has an icy surface below which there may be liquid water.
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How much charge is on a conducting sphere of diameter 20
m if its surface potential is at 50 mV?
A.
B.
C.
D.
E.
A hot, molten body of different materials will become ________
Fill in the blank(s) with correct word
Jill does twice as much work as Jack does and in half the time. Jill's power output is
A) the same as Jack's power output. B) one-fourth as much as Jack's power output. C) one-half as much as Jack's power output. D) twice Jack's power output. E) four times Jack's power output.
A rectangle has a length of 1.323 m and a width of 4.16 m. Using significant figure rules, what is the area of this rectangle?
a. 5.50368 m2 b. 5.5037 m2 c. 5.504 m2 d. 5.50 m2 e. 5.5 m2