Determine by what factor must you increase the velocity

Reference no: EM13674313

a) Determine how fast must a 2.0 kilogram mass move to have a kinetic energy of 9.0 Joule does the kinetic energy of the mass change if the mass reverses direction without changing its speed?

b) Determine by what factor must you increase the velocity of a mass to double its kinetic energy?

Reference no: EM13674313

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