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Q. If the two halves of the log only separate by a distance of 0.05 m while the wedge travels 0.2 m into the log, how much force is the wedge exerting on the two halves of the log to rip them apart?

Q. A proton (mass m = 1.67 10-27 kg) is being accelerated along a straight line at 3.6 x10^15 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 3.5 cm. What is the speed and the increase in kinetic energy.

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