Question
Which conservation principle is applicable in the case
of the motion of a rocket?Solution
The motion of a rocket is an application of Newton's third law of motion and law of conservation of linear momentum. The operation of a rocket illustrates the conservation of momentum. Just before launching, the momentum of the rocket is zero. When the rocket is fired, it forces a jet of hot gases with a high velocity through the nozzle.
Which statement is incorrect regarding the atmospheric layers and their characteristics?
How does a bulb glow when the switch is turned on?
Who is elected as the new President of the country South Korea?
Which gas is commonly used for the artificial ripening of fruits?
Ebola disease is caused by which of the following?
Who discovered the virus?
Who discovered Penicillin?
A satellite is used for
What is the other name for conventional source of energy?
Which instrument is commonly used to measure the depth of water bodies?