2. . A car accelerates from +5.0m/s to +21.0m/swith an acceleration of +3.0m/s? a) how far does it travel while accelerating? b) how much time elapses while accelerating?

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2.. A car accelerates from +5.0m/s to +21.0m/s with an acceleration of
+3.0m/s?
a) how far does it travel while accelerating?
b) how much time elapses while accelerating?
Transcribed Image Text:2.. A car accelerates from +5.0m/s to +21.0m/s with an acceleration of +3.0m/s? a) how far does it travel while accelerating? b) how much time elapses while accelerating?
Expert Solution
Step 1

Given,

Initial velocity, u=5m/s

Final velocity, v=21m/s

Acceleration, a=3m/s2

a. According to Newton third law of motion,

Let the distance is s,

v2=u2+2as

 

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