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Author Question: A cell phone is placed 40 cm in front of a converging lens with a focal length of magnitude 20 cm. ... (Read 54 times)

future617RT

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A cell phone is placed 40 cm in front of a converging lens with a focal length of magnitude 20 cm. How far is the image of this phone from the lens?
 
  A) 10 cm B) 13 cm C) 60 cm D) 20 cm E) 40 cm

Question 2

How much energy would be required to accelerate a 77-kg professor from rest to 90 the speed of light? (c = 3.0  108 m/s)
 
  A) 1.6  1019 J B) 2.1  1019 J C) 3.5  1019 J D) 2.8  1019 J E) 9.0  1019 J


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ynlevi

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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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future617RT

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Reply 2 on: Jul 29, 2018
Excellent


Dnite

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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