roblem 8.5 Part A A 1700 kg car drives around a fat 200-m-diameter cirolar track

Question

roblem 8.5 Part A A 1700 kg car drives around a fat 200-m-diameter cirolar track at 25 m/s. What is the magnitude of the net force on the car? Express your answor to two significant figures and include the appropriato units. Value Unts Submit My Answers Give Up Part B What is the direction of the net force on the car? O The net fonce points away from the center of the oircle O The net force points in the direction of motion D The net force points to the center of the circle. O The net force points opposite the direction of motion. 0 The net force is zero Submit

Explanation / Answer

Radius = diameter / 2 = 100 m

velocity = 25 m/sec

Net force = mv^2/r = 10625 Newtons

(b)

The netforce acts towards the center of the circle.

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