A car starts from rest and travels for 10.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform...

A car starts from rest and travels for 10.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform negative 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, and how far has it gone?