A particle is moving in a circle as shown in the figure,
i. What is the distance travelled by the particle from P to R?
ii. What is the distance travelled by the particle from P to P?
iii. What is the displacement of the particle from P to R?
iv. What is the displacement of the particle from P to P?
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Answer:
(1)Distance from P to R=circumference of half of the circle
We know that the area of a semicircle is πr+d
but,here we cannot add d to πr.
Because the distance will not be the diameter of circle hence,it is only moving on the curved path
Hence,the distance is πr.
so,putting the values
=2π*3
=π
(2)distance from p to p=circumference of the circle
=2πr
=2*π*3
=6π
(3)displacement from R to P=2r
=2*3
=6
(4)displacement from R to R =0
This can be possible because if final and initial positions are same the the displacement will be zero..
Thank you...
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