A remote-controlled car is moving in a vacant parking lot. The velocity of the c

Question

A remote-controlled car is moving in a vacant parking lot. The velocity of the car as a function of time is given by ?? =[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 = 7.97s ?

What is the direction (in degrees counterclockwise from +x-axis) of the velocity of the car at t = 7.97s ?

What is the magnitude of the acceleration of the car at t= 7.97s?

What is the direction (in degrees counterclockwise from +x-axis) of the acceleration of the car at t = 7.97s ?

Explanation / Answer

The equation in your question has been 'chopped off'; it says:
[5.00m/s-(.0180m/s^3)t^2]i(hat)+[2.00m

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