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Author Question: Suppose our sun had 4 times its present mass but the earth orbited it at the same distance as it ... (Read 78 times)

lindiwe

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on: Jul 29, 2018
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

Question 2

The focal length of a convex mirror is has a magnitude of 20 cm. What is its radius of curvature?
 
  A) 40 cm B) -10 cm C) 20 cm D) -40 cm E) -20 cm
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ansleighelindsey

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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lindiwe

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ansleighelindsey

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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