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OpenStudy (anonymous):

A remote-controlled car is moving in a vacant parking lot. The velocity of the car as a function of time is given by υ⃗ =[5.00m/s−(0.0180m/s3)t2]i^ + [2.00m/s+(0.550m/s2)t]j^. What is the magnitude of the velocity of the car at t = 7.46s ?What is the direction (in degrees counterclockwise from +x-axis) of the velocity of the car at t = 7.46s ?

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