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Consider a 61 cm diameter tire on a car traveling at 50 km/h on a level road in the positive direction of an x axis.

(a) Relative to a woman in the car, what is the linear velocity v of the center of the wheel.

m/s

(b) What is the magnitude a of the linear acceleration?

m/s2

(c) What is v for a point at the top of the tire?

m/s

(d) What is a for a point at the top of the tire?

m/s2

(e) What is v for a point at the bottom of the tire?

m/s

(f)What is a for a point at the bottom of the tire?

m/s2

Now repeat the questions relative to a hitchhiker sitting near the road.

(g) What is v at the wheel's center?

m/s

(h) What is a at the wheel's center?

m/s2

(i) What is v at the tire top?

m/s

(j) What is a at the tire top?

m/s2

(k) What is v at the tire bottom?

m/s

(l) What is a at the tire bottom?

m/s2