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Author Question: Two spaceships approach Earth from opposite directions. One has a speed of 0.21c and the other a ... (Read 107 times)

sammy

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on: Jul 29, 2018
Two spaceships approach Earth from opposite directions. One has a speed of 0.21c and the other a speed of 0.34c, both relative to Earth. What is the speed of one spaceship relative to the other?
 
  A) 0.51c
  B) 0.55c
  C) 0.58c
  D) 0.61c
  E) 0.64c

Question 2

If the maximum voltage of an ac signal is 8.0 V, what is the rms value of this voltage?
 
  A) 2.8 V
  B) 5.7 V
  C) 6.2 V
  D) 4.0 V
  E) 16.0 V
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cat123

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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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sammy

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Reply 2 on: Jul 29, 2018
Excellent

ryhom

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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