Asked by maria
A driver of a car traveling at 15.9 m/s applies
the brakes, causing a uniform deceleration of
1.7 m/s2.
How long does it take the car to accelerate
to a final speed of 13.0 m/s?
Answer in units of s.
b) How far has the car moved during the
braking period?
Answer in units of m.
the brakes, causing a uniform deceleration of
1.7 m/s2.
How long does it take the car to accelerate
to a final speed of 13.0 m/s?
Answer in units of s.
b) How far has the car moved during the
braking period?
Answer in units of m.
Answers
Answered by
drwls
a) Review and apply the definition of acceleration.
a = (Change in velocity)/(time interval)
b) distance = (average velocity)*time
a = (Change in velocity)/(time interval)
b) distance = (average velocity)*time
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