If a bus travelling at 20 m/s is subjected to a steady deceleration of

1.	If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2, how long will it take to come to rest ?for class 9th plz
Answer» EXPLANATION: USING FIRST EQUATION of MOTION v=u+at, we have 0=20+(−5)t ⇒5t=20 ⇒t=4s

If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2, how long will it take to come to rest ?for class 9th plz

Answer»

EXPLANATION:

USING FIRST EQUATION of MOTION

v=u+at, we have

0=20+(−5)t

⇒5t=20

⇒t=4s

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If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2, how long will it take to come to rest ?for class 9th ​plz

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If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2, how long will it take to come to rest ?for class 9th plz