Suggest a way to measure:
a. the thickness of a sheet of paper,
b. the distance between the sun and the moon.

The distance between the Earth and the Moon is

What is the distance between A (4,0) and B (8, 0).

In modern times which method is used to measure the distance between the earth and planet?

A screw gauge with a pitch of 0.5 mm and a circular scale with 50 division is used to measure the thickness of a thin sheet of aluminium. Before starting the measurement, it is found that when the two jaws of the screw are brought in constant, 45th division coincides with the main scale line and that the zero of main scale line and that the zero of main scale is barely visible. What is the thickness of the sheet, if the main scale reading is 0.5 mm and 25th division coincides with the main scalel line ?

A new unit of length is chosen such that the speed of light in vecuum is unity. What is the distance between the sun and the earth in terms of the new unit, if light takes 8 min and 20 sec. to cover the distance ?

A screw gauge with a pitch of 0.5 mm and a circular scale with 50 divisions is used to measure the thickness of a thin sheet of Aluminium. Before starting the measurement, it is found that when the two laws of the screw gauge are brought in contact, the 45^(th) division coincides with the main scale is barely visible. What is the thickness of the sheet is the main scale reading is 0.5 mm and the 25^(th) division coincides with the main scale line ?

In a continuous printing process, paper is drawn into the press at a constant speed v. Denoting by 'r' the radius of the paper roll at any given time and by 'b' the thickness of the paper, what is the angular acceleration of the paper roll.?

A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance ?

Explain parallax method to measure distance between the earth and planet.