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Author Question: Two small objects, with masses m and M, are originally a distance r apart, and the gravitational ... (Read 92 times)

Arii_bell

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on: Jul 29, 2018
Two small objects, with masses m and M, are originally a distance r apart, and the gravitational force on each one has magnitude F. The second object has its mass changed to 2M, and the distance is changed to r/4.
 
  What is the magnitude of the new gravitational force? A) F/32
  B) F/16
  C) 16F
  D) 32F
  E) 2F

Question 2

A stone is thrown horizontally with an initial speed of 10 m/s from the edge of a cliff. A stopwatch measures the stone's trajectory time from the top of the cliff to the bottom to be 4.3 s.
 
  What is the height of the cliff if air resistance is negligibly small? A) 22 m
  B) 43 m
  C) 77 m
  D) 91 m
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T4T

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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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Arii_bell

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Reply 2 on: Jul 29, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Wow, this really help

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