Question

find the ratio of distance and displacement if particle travelling from a quarter circle from point a to b of a radius 10m​

Answer 1

Answer:Perimeter of circle is 2πR

Hence, distance on the quarter circle is d =  

4

2πR

​  

=  

2

πR

​  

 

Displacement is D =R  

2

​  

 

∴ d:D=  

2

πR

​  

:R  

2

​  

 

π=  

7

22

​  

 

d:D=11:  

2

​  

×7

Explanation: