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Author Question: An electron, moving west, enters a magnetic field. Because of this field the electron curves upward. ... (Read 405 times)

Mollykgkg

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on: Jul 29, 2018
An electron, moving west, enters a magnetic field. Because of this field the electron curves upward. We may conclude that the magnetic field must have a component
 
  A) towards the north.
  B) towards the south.
  C) upward.
  D) downward.
  E) towards the west.

Question 2

The coefficient of linear expansion of copper is 17  10-6 K-1 and that of steel is 12  10-6 K-1. At 12C a steel rod has a diameter of 2.540 cm and a copper pipe has a diameter of 2.536 cm.
 
  Which one of the following quantities is closest to the temperature to which the copper pipe must be heated in order for the unheated steel rod to fit snugly in the copper pipe?
  A) 105C B) 93C C) 81C D) 53C E) 143C
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Toya9913

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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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Mollykgkg

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Reply #2 on: Jul 29, 2018
TY


Toya9913

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Reply #3 on: Jul 29, 2018
You're welcome


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