If the magnitude of the resultant force is to be 490 \({\rm n}\) , directed along the positive \(\texttip{y}{y}\) axis, determine the magnitude of force

Which would not reduce the amount of green house gasses in the air

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?