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Science Clinic => Physics => Topic started by: sabina on Jul 29, 2018

Title: Assuming negligible friction, what spring constant (force constant) would be needed by the spring in ...
Post by: sabina on Jul 29, 2018

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.

Title: Assuming negligible friction, what spring constant (force constant) would be needed by the spring in ...
Post by: SamMuagrove on Jul 29, 2018

Answer to Question 1

E

Answer to Question 2

B

Title: Assuming negligible friction, what spring constant (force constant) would be needed by the spring in ...
Post by: sabina on Jul 29, 2018

Both answers were spot on, thank you once again

Title: Assuming negligible friction, what spring constant (force constant) would be needed by the spring in ...
Post by: SamMuagrove on Jul 29, 2018

Great! Please up vote :D

Title: Re: Assuming negligible friction, what spring constant (force constant) would be needed by the sprin
Post by: Blanca Hernandez on Jan 12, 2022

thank you

Title: Re: Assuming negligible friction, what spring constant (force constant) would be needed by the sprin
Post by: siddhp on Feb 2, 2022

Thank You

Title: Re: Assuming negligible friction, what spring constant (force constant) would be needed by the sprin
Post by: Bobby Shmurda on Mar 30, 2022

Thank You

Title: Re: Assuming negligible friction, what spring constant (force constant) would be needed by the sprin
Post by: Isabella M on Jan 1, 2023

Thank you