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Author Question: Three identical 50-kg balls are held at the corners of an equilateral triangle, 30 cm on each side. ... (Read 134 times)

Marty

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on: Jul 29, 2018
Three identical 50-kg balls are held at the corners of an equilateral triangle, 30 cm on each side. If one of the balls is released,
 
  what is the magnitude of its initial acceleration if the only forces acting on it are the gravitational forces due to the other two masses? (G = 6.67  10-11 N  m2/kg2)
  A) 3.7  10-8 m/s2
  B) 2.5  10-8 m/s2
  C) 1.9  10-8 m/s2
  D) 4.2  10-8 m/s2
  E) 6.4  10-8 m/s2

Question 2

A 0.140 kg baseball is thrown horizontally with a velocity of 28.9 m/s. It is struck with a constant horizontal force that lasts for 1.85 ms, which results in a velocity of 37.0 m/s in the opposite direction.
 
  What was the magnitude of the horizontal force? A) 0.613 kN
  B) 2.19 kN
  C) 2.80 kN
  D) 4.99 kN
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Cheesycrackers

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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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Marty

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Reply 2 on: Jul 29, 2018
Excellent

parker125

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Reply 3 on: Yesterday
:D TYSM

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