Question

a bus starting from rest moves with a uniform acceleration of 0.1 M per second square for 2 minutes find the speed acquired and the distance travelled

Answer 1

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Answer 2

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Secondary SchoolPhysics5 points

A bus starting from rest moves with a uniform acceleration of 0.1 m s-2 for 2 minutes. Find (a) the speed acquired, (b) the distance travelled.

NCERT Class IX
Sciences - Main Course Book

Chapter 8. Motion

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Ask for details FollowReport by GotamaSing21.05.2015

Answers



vanshiAmbitious

Given,

Initial velocity(u)="0m/s"
Accelaration(a)="0,1m/s-2"
Time="2 mins=60*2=120 secs"
Final velocity=?

v=u+at
v=0+(0.1)120
v=0+12
v=12m/s
i.e 
Final Velocity="12m/s"
Distance(s)=v(v)-u(u)=2a
s=144-0=2(0.1)
s=144=0.2
s=1440=2
s=720m
 
Therefore,
(a)=12m/s
(b)=720m

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