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Author Question: Kepler's second law tells us that a planet sweepa out equal areas in equal times. If you compare the ... (Read 72 times)

madam-professor

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Kepler's second law tells us that a planet sweepa out equal areas in equal times. If you compare the amount of area per time swept by Earth with the one of Jupiter, you would conclude:
 
  A)
 
  They sweep the same area per time.
  B)
 
  Jupiter sweeps a larger area per time because it has much more mass than Earth.
  C)
 
  Jupiter sweeps a larger area per time because it has a much larger orbital path than Earth.
  D)
 
  Earth sweeps a larger area per time because it has much less mass than Jupiter.
  E)
 
  Earth sweeps a larger area per time because it has a much smaller orbital path than Jupiter.

Question 2

A 45-mH inductor is connected in series with a 60- resistor through a 15-V dc power supply and a switch. If the switch is closed at t = 0 s, what is the current after 7.0 ms?
 
  A)
 
  250 mA
  B)
 
  650 mA
  C)
 
  550 mA
  D)
 
  280 mA
  E)
 
  850 mA



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cegalasso

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Answer to Question 1

C

Answer to Question 2

A




madam-professor

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Reply 2 on: Jul 29, 2018
Gracias!


sailorcrescent

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Reply 3 on: Yesterday
Excellent

 

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