# the staples inside a stapler are kept in place by a spring with a relaxed length of 0.115

Elastic Potential Energy Physics Problem | Physics Forums- the staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 ,26/1/20· The staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 m. If the spring constant is 51 N/m, how much elastic potential energy is stored in the spring when its length is 0.150 m? Ok, so: Relaxed length= 0.115 m. k= 51 N/m.Spring constant problem | Physics Forums4/6/2007· The staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 m. If the spring constant is 45.0 N/m, how much elastic potential energy is stored in the spring when its length is 0.145 m? Answer in units of J. I know I have to use F=kx

### Work Energy, Power Worksheet | Geeks and Technology

10/11/2014· Work and Power. 1. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m wide. 4.

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