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A car of mass m is on an icy driveway inclined at an angle ? = 16.0°, as shown in the figure.

(a) Determine the acceleration of the car, assuming the incline is frictionless.

(m/s2)

(b) If the length of the driveway is 26.5 m and the car starts from rest at the top, how long does it take to travel to the bottom?

(s)

(m/s)

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