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A bike is traveling to the left with a speed of 27\,\dfrac{\text m}{\text s}27 s m ​ 27, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction when the rider slams on the brakes. The bike skids for 41.5\,\text m41.5m41, point, 5, start text, m, end text with constant acceleration before it comes to a stop.

1 Answer

3 votes

Answer:

Step-by-step explanation:

Given

Speed v =27m/s

Distance covered after skidding = 41.5m

Acceleration a = ?

Using the equation of motion

v² =u²+2aS

27² = 0²+2a(41.5)

729 = 0+83a

a = 729/83

a = 8.78m/s²

Hence it's acceleration is 8.78m/s²

User Till Hoffmann
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