A car starts from rest and travels for 9.0 s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform…

A car starts from rest and travels for 9.0 s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 3.0 s, how fast is the car going at the end of the braking period?How far has it gone from its start?

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