Question

An object is moving at uniform speed along circumference of a circle of radius 30m. If it completes one round in 20 second, find its speed and velocity after 45 second.​

Answer 1

assimilation uniform motion after 45 seconds body will have finished

20

45

=2.25 rounds, I if it starts from A it will be at B after 45 second

now display AB

R

2

+R

2

=2

R