A car driving on a circular test track shows a constant speedometer reading of 200 km/h for one lap. Describe the car's speed during this time. Describe its velocity. How do the two compare?
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A) Speed is constant = 200 km/h
B) Velocity is variable or "constantly changing" due to the constant change of direction.
Note: Velocity is NOT zero. Displacement is zero after each lap, not velocity.
B) Velocity is variable or "constantly changing" due to the constant change of direction.
Note: Velocity is NOT zero. Displacement is zero after each lap, not velocity.
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