What is artificial satellite?

Can a pendulum oscillate in an artificial satellite?

What are the conditions under which a rocket fired from the earth, launches an artificial satellite of earth?

Science, like any knowledge, can put to good or bad use, depending on the user. Given below are some of the applications of science. Formulate your views on whether the particular applicatioa is good, bad -orsomething that cannot be so clearly, categorized : (a) Mass vaccination against small pox to curb and finally eradicate this disease from the population. (This has already been successfully done in India). Television for eradiction of illeteracy and for mass communication of news and ideas. Prenatal sex determination Computers for increase in work efficiency.. . Puttiing artificial satellites into orbits around the Earth. Development of nuclear weapons. Development of new and powerful technique of chemical and biologicaal warfaree. Purificaitoin of water for drinking. plastiic Surgery and cloning.

Drive the expression for time period fo an artificial satellite.

Should the speed of two artificial satellites of the earth having different masses but the same orbital radius, be the same?

An artificial satellite orbiting the' earth does not fall down because the earth’s attraction

Two artificial satellites, one close to the surface and other away are revolving around the earth. Which of them has larger speed?

What is artificial silk or rayon?