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Grade: 11

                        

A body starts from rest and moves with acceleration a0 After t0 it moves with constant velocity for further time t0 and then retards with 2a0 What is the av vel

A body starts from rest and moves with acceleration a0 After t0 it moves with constant velocity for further time t0 and then retards with 2a0 What is the av vel

10 months ago

Answers : (2)

Arun
25768 Points
							
Dear student
 
Please tell what is meaning of av
 
I didn't get it.
Please attach clear image if possible
10 months ago
Vikas TU
14149 Points
							
Dear student 
initial velocity (u)=0
after t0, velocity=a0×t0(case i)
this body travelled next t0 seconds with velocity a0×t0 (case ii)and then retards with 2a0
final velocity=0(case iii)
Case(i)
Displacement=a0(t0)^2/2
time=t0
Case (ii)
Displacement=a0(t0)^2
time=t0
Case (iii)
time=t0/2 [v=u+at]
Displacement=3a0(t0)^2/4
average velocity=total displacement/time
=9a0(t0)^2/4÷5t0/2
=9a0t0/10
10 months ago
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