Prove that the area of a circular path of uniform width `h` surrounding a circular region of radius `r` is `pih(2r+h)` .

Prove that the area of a circular path of uniform width h surrounding a circular region of radius r is pi h(2r+h).

The area (in m^2 ) of a circular path of uniform width x metres surrounding a circular region of diameter d metres is .....

Define centripetal acceleration. Derive anexpression for the centripetal acceleration of a particle moving with uniform speed v along a circular path of radius r. Discuss the direction of this acceleration

The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit of radius 9R is :

The period of a satellite in a circular orbit of radius R is T , the period of another satellite in a circular orbit of radius 4R is

A path of uniform width surrounds a circular park. The difference of internal and external circumferences of this circular path is 132 metres. Its width is : (Take pi= (22)/(7) )

There is a long straight wire carrying electric current i. A circular region of radius r is selected perpendicular to wire in such a manner that wire lies along the axis of this circular region. How much magnetic flux is associated with this circular region?