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Natasha2012 [34]
3 years ago
14

Compute the kinetic energy of a proton (mass 1.67×10−27kg ) using both the nonrelativistic and relativistic expressions for spee

d of 6.00×107m/s.
Physics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

KE = 5.01 \times 10^{-13}Joules

Explanation:

Kinetic energy is the energy possessed by a body by virtue of its motion. It is expressed as;

KE = \frac{1}{2}mv^2\\ where:

m is the mass of proton

v is the speed

Substitute:

KE = \frac{1}{2}(1.67\times 10 ^{-27})(6.0\times10^7)^2\\\\KE = \frac{1}{2}(1.67\times 10 ^{-27})(6.0\times10^{14})\\\\\\KE = \frac{1}{2}(1.67\times 6.0 \times 10 ^{-27}\times10^{14})\\\\KE =  \frac{1}{2}(1.67\times 6.0 \times 10 ^{-27+14})\\\\KE = 3 \times 1.67 \times 10^{-13}\\\\KE = 5.01 \times 10^{-13}Joules

Hence the kinetic energy of a proton is 5.01 \times 10^{-13}Joules

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