7.5.2 Work done by spring force

• Work done by gravitational force
• Work done by spring force
• Work done by a variable force

Watch the video that explain the work done by spring force:

1. cumin canister of mass m 0.40 kg slides across a horizontal frictionless counter with speed v 0.50 m/s. It then runs into and compresses a spring of spring constant k 750 N/m. When the canister is momentarily stopped by the spring, by what distance d is the spring compressed?

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