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Author Question: A thin spherical metal shell of radius 8.0 cm carries 7.5 C of excess charge. What is the magnitude ... (Read 111 times)

penza

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on: Jul 29, 2018
A thin spherical metal shell of radius 8.0 cm carries 7.5 C of excess charge. What is the magnitude of the electric field it produces at the following places?
 
  (k = 1/40 = 9.0  109 N  m2/C2 )
  (a) at 1.0 cm above the surface
  (b) at 7.0 cm from the center of the sphere

Question 2

A space barge pushes on a spaceship with a rest mass of 15,000 kg and accelerates it from a speed of 0.600c to a speed of 0.700c. How much work does the barge have to do to accomplish this? (c = 3.00  108 m/s)
 
  A) 2.03  1020 J B) 2.70  1020 J C) 8.78  1019 J D) 5.42  1020 J E) 1.35  1020 J
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djofnc

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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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penza

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Reply 2 on: Jul 29, 2018
Excellent

at

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Reply 3 on: Yesterday
Wow, this really help

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