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Author Question: An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the ... (Read 112 times)

LCritchfi

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on: Jul 29, 2018
An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the right. The friction force on this object is 30 N to the left. What is the acceleration of the object?
 
  A) 0.27 m/s2
  B) 1.1 m/s2
  C) 2.6 m/s2
  D) 11 m/s2

Question 2

A 100-g ball falls from a window that is 12 m above ground level and experiences no significant air resistance as it falls. What is its momentum when it strikes the ground?
 
  A) 3.3 kg  m/s
  B) 4.8 kg  m/s
  C) 1.8 kg  m/s
  D) 1.5 kg  m/s
  E) 2.4 kg  m/s
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C.mcnichol98

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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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LCritchfi

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

T4T

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Reply 3 on: Yesterday
Gracias!

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