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Math·Advanced Math·Equivalent expressions
mediumThe kinetic energy K, in joules, of an object is given by the formula K=21mv2, where m is the mass of the object, in kilograms, and v is the velocity of the object, in meters per second. If the kinetic energy of a certain object can be found by using the formula K=82v2, what is the mass of the object, in kilograms?
A
6,724
B
164
C
82
D
41