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A 5-kg box is pushed 5 m up a plane that is inclined at 30º with the horizontal.The coefficient of kinetic friction between the box and the plane is 0.20.The change in potential energy of the box is approximately
Environmental Protection Agency
A U.S. federal agency responsible for creating and enforcing regulations to protect the environment and public health from pollution and hazardous substances.
Clean Air
The condition of the atmosphere when it is free from pollutants, contaminants, and other harmful substances.
Network Externality
The effect that an additional user of a good or service has on the value of that product to others, often increasing the utility as more people use it.
Elastic
Refers to the responsiveness of the quantity demanded or supplied of a good to a change in its price.
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