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Author Question: An earthquake generates three kinds of waves: surface waves (L-waves), which are the slowest and ... (Read 45 times)

saliriagwu

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on: Jul 29, 2018
An earthquake generates three kinds of waves: surface waves (L-waves), which are the slowest and weakest, shear (S) waves,
 
  which are transverse waves and carry most of the energy, and pressure (P) waves, which are longitudinal waves and are the fastest. The speed of P waves is approximately 7 km/s, and that of S waves is about 4 km/s. People do not generally feel the P waves, but animals seem to be sensitive to them. If a person reports that her dog started barking 20 seconds before the earthquake, then approximately how far was the origin of the earthquake?
  A) 100 km
  B) 200 km
  C) 300 km
  D) 400 km
  E) 500 km

Question 2

A 200- resistor is rated at 1/4 W. What is the maximum current it can safely draw?
 
  A) 0.035 A
  B) 0.35 A
  C) 50 A
  D) 0.25 A
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fffftttt

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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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saliriagwu

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Reply 2 on: Jul 29, 2018
Gracias!

tuate

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Reply 3 on: Yesterday
Excellent

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