What is the percent change in momentum of a protonthat accelerates from (a) 0.45c to 0.85c, (b) 0.85c to 0.98c?

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A: (d) Flux through the coil ϕm=∫∫B→·dA→=∫xx+bμ0I2πxj^·adxj^=∫xx+bμ0I2πxadx

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Q: please show steps

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Q: Please answer the last 2, Thank you.

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Q: show steps

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A:   (a)