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A car travelling at 20m/s decelerates uniformly at 4m/s5. In what time will it come to rest? v=u-at, (a is negative since the body is decelerating).

      

A car travelling at 20m/s decelerates uniformly at 4m/s5. In what time will it come to rest?
v=u-at, (a is negative since the body is decelerating).

  

Answers


Moraa
0=20-4t
t=20/4 =5seconds.
Moraa orina answered the question on April 8, 2018 at 16:47


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