A car takes 11 s to go from v 0 to v 75 ms at, Ask an Expert

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Q. A car takes 11 s to go from v = 0 to v = 75 m/s at approximately constant acceleration. If you wish to find the distance travelled using equation d = 1/2 at2, what value should you use for a?

Q. A proton is initially at rest at a point where the potential is 474 V. Sometime later the proton is at a point where the potential is 191V. If no force other than an electrostatic force acts on proton, what is its final kinetic energy?

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