Question

An insect moves along a circular path of radius 8 cm with constant speed. If it takes 2 min. to move from a point on the path to the diametrically opposite point, find (a) the distance covered, (b) The speed, (c) the displacement, (d) average velocity.

Answer 1

Distance covered would be pie r^2
=3.14*0.08*0.08=0.002
Speed would be distance covered/total time =0.002/120=16*10^-4
Displacement =diameter =16cm
Average velocity=displacement/time=0.0013