Question
A physics student is studying energy loss due to non-conservative forces. A spring scale is used to determine the mass of a parcel, and a
A physics student is studying energy loss due to non-conservative forces. A spring scale is used to determine the mass of a parcel, and a motion sensor is used to determine its speed. The box is dragged with the spring scale to determine the applied force, and a meter stick is used to determine the relevant distances. A few calculations indicate that the parcel has 619J of kinetic energy at the moment it leaves the smooth floor and travels along a rough ramp that gently curves upward. The physics student performs 701J of work on the crate as it comes to rest after gaining 1043J of potential energy.
How much energy is dissipated by non-conservative forces such as heat and sound?
Enon-cons=? J
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