Question

O
4)
29
A particle completes a revolution along a circular path of radius r. The distance
travelled by the particle is
2) 27
3) 31
4) zero
O 1)​

Answer 1

Answer:

2) 27 mark as BRAINLIEST bro please

Answer 2

Answer:

Displacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.