Satellite Motion: Suppose our sun had 4 times its present mass but the earth orbited it at the same distance as it presently does. What would be the length of the year on the earth under those conditions?
A. 1/4 as long as the present year
B. 1/2 as long as the present year
C. the same as the present year
D. twice as long as the present year
E. four times as long as the present year
Answer: B
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General relativity explains gravity as the ________ of spacetime
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.
Because of Earth's rotation, a swinging pendulum rotates about a vertical axis once every twenty-four hours.
a. true b. false
When the principal quantum number is n = 5, how many different values of m? are possible?
1.1 2.5 3.9 4.25