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Author Question: Do physicists consider electromagnetic fields to be real? A) No, because they are only an idea, ... (Read 34 times)

kwoodring

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on: Jul 29, 2018
Do physicists consider electromagnetic fields to be real?
 
  A) No, because they are only an idea, imagined only by the human mind.
  B) Yes, because electromagnetic fields contain energy, even though they are not made atoms.
  C) Yes, because electromagnetic fields exert forces, even though they are not made of as atoms.
  D) No, because electromagnetic fields are not made of any material substance such as atoms.
  E) Yes, because electromagnetic fields are made of atoms.

Question 2

A test rocket at ground level is fired straight up from rest with a net upward acceleration of 20 m/s2. After 4.0 s, the motor turns off but the rocket continues to coast upward with insignificant air resistance.
 
  What maximum elevation does the rocket reach? A) 160 m
  B) 330 m
  C) 320 m
  D) 410 m
  E) 490 m
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livaneabi

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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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kwoodring

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Reply 2 on: Jul 29, 2018
Excellent

yeungji

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

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