February 22, 2017

Homework Help: Physics

Posted by grace on Saturday, October 23, 2010 at 8:58pm.

If a car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes for 3.0 seconds, causing a uniform acceleration of - 2.1 m/s2.

a) Sketch the velocity vs. time graph for the car and paste your sketch in the space below.

b) How fast is the car going at the end of the braking period?

c) How far has it gone at the end of the braking period?

d) Name the three controls on an automobile which cause acceleration

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