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Author Question: Two vehicles approach a right angle intersection and then suddenly collide. After the collision, ... (Read 78 times)

V@ndy87

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on: Jul 29, 2018
Two vehicles approach a right angle intersection and then suddenly collide. After the collision, they become entangled.
 
  If their mass ratios were 1:4 and their respective speeds as they approached the intersection were both 13 m/s, find the magnitude and direction of the final velocity of the wreck.
  A) 11 m/s at 76 with respect to the original direction of the lighter car
  B) 26 m/s at 76 with respect to the original direction of the lighter car
  C) 16 m/s at 14 with respect to the original direction of the lighter car
  D) 16 m/s at 76 with respect to the original direction of the lighter car
  E) 11 m/s at 14 with respect to the original direction of the lighter car

Question 2

Water, which we can treat as ideal and incompressible, flows at 12 m/s in a horizontal pipe with a pressure of 3.0  104 Pa. If the pipe widens to twice its original radius, what is the pressure in the wider section?
 
  A) 9.8  104 Pa B) 3.0  104 Pa C) 7.4  104 Pa D) 4.9  104 Pa
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olivia_paige29

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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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V@ndy87

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Reply 2 on: Jul 29, 2018
Gracias!

Jossy

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Reply 3 on: Yesterday
Excellent

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