A cysliat is moving with a velocity of 10m/s towards east .He suddenly applies brake such tha a retardation of 2m/s²is produced . Calculate how much time Cyclists will take to come into rest
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✪ Given That :
- ➻ Initial Velocity of Cyclist (u) = 10m/s
- ➻ Final Velocity of Cyclist (v) = 0m/s
- ➻ Deceleration Produced (a) = - /s²
✪ Need To Find :
- ‣ Time Cyclists will take to come into rest ?
⚘ Formula Used Here :
- ➮ v = u + at
_____________________
✇ Where :
- ↦ v = Final Velocity
- ↦ u = Initial Velocity
- ↦ a = Acceleration
- ↦ t = Time
☢ Putting Values in Formula :
- ➟ v = u + at
- ➟ 0m/s = 10m/s + ( - 2 × t )
- ➟ 0 - 10 = - 2t
- ➟ - 10 = - 2t
- ➟ 10/2 = t
- ➟ Time = 5 seconds
◆ Therefore :
» Cyclists will take 5sec to come into rest !
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Answered by
4
Answer:
answer is 5 sec
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