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A car going 110 km/h southwest reaches a curve in the road. Suppose that the curve is an arc of a circle. After rounding the curve, the car velocity is 10 km/h west. The car takes 2.5 sec to round the curve.
a. Determine what is the car acceleration?
b. Determine the length of the car path on the curve?
c. If the car instead maintained a steady speed of 100 km/h, compute how long would it take to round the curve?
the electric potential of the earth the earth has a vertical electric field with a magnitude of approximately 100 vm
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An investigator collects a sample of a radioactive isotope with an activity of 4.4×105Bq . 72hourslater, the activity is 1.2×105Bq. What is the half-life of the sample
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For a convex mirror, when the object is 24.4 cm in front of the mirror the image is 15.8 cm behind the mirror. determine the distance of the image behind the mirror
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