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Author Question: Assuming negligible friction, what spring constant (force constant) would be needed by the spring in ... (Read 1723 times)

sabina

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Assuming negligible friction, what spring constant (force constant) would be needed by the spring in a B-B gun to fire a 10-g pellet to a height of 100 m if the spring is initially compressed by 0.10 m?
 
  A) 0.0020 N/m B) 20 N/m C) 200 N/m D) 2000 N/cm E) 20 N/cm

Question 2

If you were in a rocket ship in distant space, far from all gravitational influences, and accelerating at 2g, you would feel
 
  A) your normal weight.
  B) twice your normal weight.
  C) weightless.
  D) This cannot be answered without knowing your speed.


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SamMuagrove

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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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sabina

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Both answers were spot on, thank you once again








 

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