Question

A particle s moving along the circumference of a circle of radius 40m with a time period 2mm find the displacement of particles after 3 min 2-6mm calculate path length in 3min&6min

Answer 1

Answer:

Step 1: Distance Calculation

The distance covered is the actual path length between point A and B.

Distance covered, D= Half of the circumference =

2

3140

=1570m

Part (b)

Step 2: Displacement Calculation

Displacement is the shortest distance between the initial and final points. Here, the shortest distance between A and B is the diameter AB.

d=AB

Circumference =3140=2πR

⇒ R=500m

∴AB=2R=1000m

Displacement, d=1000m

Part(c)

Step 3: Time Calculation

Time taken by the scootrist in reaching from A to B:

t=

Speed

Distance

=

10m/s

1570(m)

⇒t=157s