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Imagine you are driving around a horizontal circular track (such as a roundabout at an intersection...

Imagine you are driving around a horizontal circular track (such as a roundabout at an intersection or freeway exit). You are driving at a constant speed of 12.0 km/h, and your circular path has a radius of 18.0 meters.

(a) When you are at the northernmost point on the circular track and driving towards the west, what is your acceleration? Give your answer in m/s2

The magnitude is  m/s2,
and the direction is  choose from the drop-down list South West East North No Direction, since the acceleration is zero.

(b) When you are at the westernmost point on the circular track and driving towards the south, what is your acceleration?

The magnitude is  m/s2,
and the direction is  choose from the drop-down list East, North, No Direction since the acceleration is zero, South West

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