Physics, asked by rujith9734, 1 year ago

An electron is moving with velocity 1.2into 10 to power 6 m/s if mass of an electron is 9.1 into 10 to power -31 kg then find its kinetic energy

Answers

Answered by saka82411
2
Hi friend,

We know that,

K.E= 1/2 mv²

= 0.5×(9.1×10^-31)×(1.2×10^6)²

= 0.5×9.1×1.2×1.2×10^-19

K.E= 6.55×10^-19.

Hope this helped you a little!!!
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