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Author Question: Assuming negligible friction, what spring constant (force constant) would be needed by the spring in ... (Read 804 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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sabina

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Both answers were spot on, thank you once again








 

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