Asked by Joey
A motor car travelling at 14m/s on dry flat surface should be able to stop in 14m.Assuming the deceleration to be uniform.
Given: its value and the corresponding bracking time is -7m/s^2 , 2 sec
Calculate the distance travelled during the first second after the application of the brakes.
Given: its value and the corresponding bracking time is -7m/s^2 , 2 sec
Calculate the distance travelled during the first second after the application of the brakes.
Answers
Answered by
Henry
V = Vo + a*t = 14 - 7*1 = 7 m/s.
V^2 = Vo^2 + 2a*d.
7^2 = 14^2 - 14*d, d = ?.
V^2 = Vo^2 + 2a*d.
7^2 = 14^2 - 14*d, d = ?.
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