Physics
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In the provided graph representing the position of a moving car along a straight road over time, identify any time intervals during which the car's velocity remains constant.
constant between t = 35.0 s and t = 50.0 s
constant between t = 10.0 s and t = 30.0 s
constant between t = 20.0 s and t = 40.0 s
Velocity is not constant at any time.