Question

Answer both the questions
1. A boy travels along a circular path of radius ‘r’ m. when his angular displacement is
π\3 radians then his linear displacement is:

2.Answer question 129

Answer 1

mark it as brainliest

Answer 2

This problem is based on linear motion and angular motion. Therefore we have to memorize equations in these two areas.

We have learnt relationship between linear displacement angular displacement which is,

Linear displacement = radius * Angular displacement

$S=r\alpha$-------- (1)

Angular displacement should be in radian for above equation.

And also question states that,

angular displacement = π/3

$S = r\pi/3$ (Using equation (1))

Answer : linear displacement = rπ/3