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Author Question: A 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground. What is the ... (Read 107 times)

asan beg

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on: Jul 29, 2018
A 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground. What is the magnitude of its momentum just before it hits the ground if we neglect air resistance?
 
  A) 0.28 kg  m/s
  B) 0.88 kg  m/s
  C) 0.44 kg  m/s
  D) 0.62 kg  m/s
  E) 1.4 kg  m/s

Question 2

A plane moving 200 m/s horizontally fires a projectile with speed 50 m/s in a forward direction 30.0 below the horizontal. At that instant, what is the speed of the projectile with respect to a stationary observer on the ground?
 
  A) 245 m/s
  B) 250 m/s
  C) 268 m/s
  D) 293 m/s
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Mochi

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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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asan beg

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Reply 2 on: Jul 29, 2018
Excellent

Animal_Goddess

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Reply 3 on: Yesterday
Gracias!

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