Question

On a horizontal road, a car is traveling West at a constant speed of 12.0 m/s....

On a horizontal road, a car is traveling West at a constant speed of 12.0 m/s. After 52 s, it has rounded a corner and is now heading North at a constant speed of 22.8 m/s.

What is the magnitude of the car's average acceleration during this 52 ss time interval?

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Answer #1

The initial velocity of the car is 12.0 m/s along west.

East is along positive X-axis and North is along positive Y-axis.

The time interval for the change in velocity is t = 52 s

The final velocity of the car is 22.8 m/s along north.

The average acceleration is

=>

The magnitude of car's acceleration is   

a = 0.5 m/s2

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