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Accelerating projectile force needed

  • #1

Homework Statement


I need to accelerate a 0.2 gram projectile to 300 m/s within 80cm. How much force (N) do I need?

Homework Equations


E = F * S

The Attempt at a Solution

 

Answers and Replies

  • #2
There is no attempt at a solution.
 
  • #3
haruspex
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You know a mass a velocity and a distance, and you wish to determine a force. You have quoted an equation involving energy, force and distance. What other equations involving some of mass, energy, velocity, force and distance do you know?
 
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