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Author Question: In another solar system, a planet has an airless moon Zygo that is 4.0 105 m in diameter. ... (Read 59 times)

abern

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on: Jul 29, 2018
In another solar system, a planet has an airless moon Zygo that is 4.0  105 m in diameter. Experiments reveal that a freely falling object at the surface of Zygo accelerates at 0.20 m/s2. What is the mass of Zygo? (G = 6.67  10-11 N  m2/kg2)
 
  A) 2.4  1019 kg
  B) 4.8  1019 kg
  C) 1.2  1020 kg
  D) 2.4  1020 kg
  E) 4.8  1020 kg

Question 2

How many joules of energy are required to accelerate a 1.0-kg rock from rest to a speed of 0.866c? (c = 3.0  108 m/s)
 
  A) 1.8  1017 J
  B) 9.0  1016 J
  C) 3.0  103 J
  D) 3.3  1016 J
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srodz

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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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abern

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Reply 2 on: Jul 29, 2018
:D TYSM

bblaney

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Reply 3 on: Yesterday
Excellent

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