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Author Question: Velma is in a train moving north at 20 m/s. She throws a stone toward the rear of the train, at 5 ... (Read 92 times)

karateprodigy

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on: Jul 29, 2018
Velma is in a train moving north at 20 m/s. She throws a stone toward the rear of the train, at 5 m/s relative to herself. Mort, standing beside the tracks, sees the stone move
 
  A) south at 15 m/s.
  B) south at 25 m/s.
  C) north at 25 m/s.
  D) north at 15 m/s.
  E) north at 20 m/s.

Question 2

A 120-kg refrigerator that is 2.0 m tall and 85 cm wide has its center of mass at its geometrical center. You are attempting to slide it along the floor by pushing horizontally on the side of the refrigerator.
 
  The coefficient of static friction between the floor and the refrigerator is 0.30. Depending on where you push, the refrigerator may start to tip over before it starts to slide along the floor. What is the highest distance above the floor that you can push the refrigerator so that it will not tip before it begins to slide? A) 0.71 m
  B) 1.0 m
  C) 1.2 m
  D) 1.4 m
  E) 1.6 m
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Qarqy

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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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karateprodigy

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

samiel-sayed

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Reply 3 on: Yesterday
Wow, this really help

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