A proton (mass m = 1.67 multiplied by 10-27 kg) is being accelerated along a straight line at 3.5 multiplied by 1015 m/s2 in a machine. The proton has an initial speed of 2.4 multiplied by 107 m/s and travels 4.2 cm.

(a) What is its speed?
(b) What is the increase in its kinetic energy?

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