A car with speed 72km /hr suddenly applies break. the break has maximum ability to decelerate with 5m/s². find taken to stop the car after applying break?
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Answered by
4
Answer:
4sec
Explanation:
u=72km/hr=20m/s
v=0
acc=-5m/s2
v=u+at
0=20+(-5*t)
-20=-5t
-20/5=-t
-4=-t
4=t
Answered by
1
Answer:
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