What is the escape velocity of a satellite launched from ...
What is the escape velocity of a satellite launched from the earth’s surface? (Take g as 10ms-2 and the radius of the earth as 6.4 × 106m)
7.80 × 10kms-1
11.2 × 10kms-1
3.56 × 107ms-1
6.00 × 107ms-1
1.20 × 108ms-1
Correct answer is B
The escape speed from Earth's surface is about 11.186 km/s
A cell whose internal resistance is 0.5Ω delivers a current of 4A to an external resistor,The ...
Which of the following statements about wave is not correct? i. A wavefront is a line which conta...
Which of the following factors does not affect the rate of evaporation of a liquid? ...
In the absence of gravitational force, the weight of the body is ...
If the volume of a gas is recorded as 76cm3 at a temperature of 27°C with a pressure of 800mmHg....
The wire of a platinum resistance thermometer has d resistance of 3.5\(\Omega\) at 0 °C and...