If the velocity of the body is increased twice then how many times K.E is increased
Answer: 4
Explanation
The kinetic energy is mathematically expressed as K. E=12mv2,
where m is the mass of the body and v is the velocity with which the body is moving
If velocity v is doubled, the kinetic energy becomes four times as kinetic energy is directly proportional to the square of velocity.
This question appeared in
Past Papers (3 times)
Pakistan Civil Aviation Authority CAA Past Papers & Syllabus (1 times)
University of Agriculture UAF Past Papers and Syllabus (2 times)
This question appeared in
Subjects (1 times)
EVERYDAY SCIENCE (1 times)
Related MCQs
- If the radius of the circle increased 4 times, then its area increased should be?
- The population of the town increased by 2.5% annually but decreased by 0.5 % every, year due to migration. What will be the percentage increased in 2 years?
- If the side of a square is increased by 25%, then its area gets increased by
- If a man salary is increased by 1/5 and his current pay is 60000. What will be increased pay?
- If momentum of a car is increased by 20% then its K.E is increased by ______?
- A Carnot engine, with its cold body at 17°C, has 50% efficiency. If the temperature of its hot body is now increased by 145°C, the efficiency becomes _____?
- What happens when the stress applied to the body is increased beyond the maximum value and is removed after some time?
- What happens when the stress applied to the body is increased beyond the maximum value and is removed after some time? Young's modulus is defined as ______?
- If the mass of the body is made 3 times and the velocity becomes double, the kinetic energy will increase?
- When the current passing through an inductor is increased by 100 times, the energy stored in the inductor will increase by?