4. The energy of a particle is equal to 2.5x 10-12 J, its momentum is 7.9x 1021 N s. What are its mass m and velocity v?

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4. The energy of a particle is equal to 2.5x 10-12 J, its momentum is 7.9x 10-21 N s. What are
its mass m and velocity v?
Transcribed Image Text:4. The energy of a particle is equal to 2.5x 10-12 J, its momentum is 7.9x 10-21 N s. What are its mass m and velocity v?
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