Find out the kinetic energy of an electron moving with a speed of 1.2 × 10 to the power 6 m per second mass of electron is 9.1 × 10 to the power -31 kg
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KINETIC ENERGY = 1/2 × MASS ×(VELOCITY) ^2
MASS = 9.1 × 10 ^-31 KG
VELOCITY = 1.2 × 10^6 m/s
KINETIC ENERGY = 1/2 × 9.1 × 10^-31 × 1.2 × 10^6 × 1.2 × 10^6
= 6.552 × 10^-19
HOPE MY ANSWER IS CORRECT
KINETIC ENERGY = 1/2 × MASS ×(VELOCITY) ^2
MASS = 9.1 × 10 ^-31 KG
VELOCITY = 1.2 × 10^6 m/s
KINETIC ENERGY = 1/2 × 9.1 × 10^-31 × 1.2 × 10^6 × 1.2 × 10^6
= 6.552 × 10^-19
HOPE MY ANSWER IS CORRECT
tamannabhati14366:
Hmm.. your answer is crct..
Thank you
welcome
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