A rocket needs the speed of …….. to escape from earth’s gravity ?

Related Mcqs:

Radioactivity was discovered by __________?

A. Kelvin B. Thomson C. Rutherford D. Bacquerel...

The Sun is at an average distance of about________ million kilometers away from Earth?

A. 100 million B. 150 million C. 200 million D. 250 million...

Which metal is non toxic in nature?

Silver Iron Copper Gold...

Vinegar is chemically known as ?

A: Sucrose B: Methene C: Acetic Acid D: Sulphuric Acid...

Development of calf muscles in ladies who wear high heel sandals is common example of ?

A: Natural selection B: Artificial selection C: Use & disuse of organ D: Inheritance of acquired character...