What is the distance of our solar system from the centre of the galaxy?

A coin placed on a rotating turntable just slips if it is placed at a distance of 4 cm from the centre. If the angular velocity of the turntable is doubled, it will just slip at a distance of

The chord of length 30 cm is drawn at the distance of 8 cm from the centre of the circle Find the radius of the circle.

The chord of length 32 cm is drawn at the distance of 12 cm from the centre of the circle. Find the radius of the circle.

Two satellite A and B of the same mass are revolving around the Earth in circular orbits such that the distance of B from the centre of the Earth is thrice as compared to the distance of A from the centre. What will be the ratio of centripetal force on B to that on A.

The structure of a water molecule is shown in figure. Find the distance of the centre of mass of the molecule from the centre of the oxygen atom.

What are the disadvantages of solar energy ?

The radius of our galaxy is about 3 xx 10 ^(20)m .With what speed should a person travel so that he can reach from the centre of the galaxy to its edge in 20 years of his lifetime ?

The following list shows the mean distance of the plants of the solar system from the Sun. Complete the following table. Then arrange in order of magnitude starting with the distance of the planet closest to the Sun.