Question

3. Which of the following quantities has the greatest influence on the amount of
kinetic energy of a car while traveling on a highway?​

Answer 1

Answer:

let travel very fast .

Explanation:

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Answer 2

QUESTION:-

3. Which of the following quantities has the greatest influence on the amount of kinetic energy of a car while travelling on a highway?

• Velocity
• Time travelled
• Mass
• Distance Travelled.

ANSWER:-

• Velocity is the correct option

• Velocity has the greatest influence on the amount of kinetic energy of a car while travelling on a highway.

EXPLANATION:-

• Kinetic energy is directly proportional to the square of velocity (Twice velocity) whereas it is directly proportional to the single magnitude of mass.

• Kinetic energy $=\frac{1}{2} \times \: mass \: \times square \: of \: velocity \: \\ = \frac{1}{2} m {v}^{2}$

• Kinetic energy relies on the velocity of the object squared. This means that when the velocity of the car while travelling on a highway doubles then its kinetic energy will quadruple.

• If the velocity of the car is halved, then kinetic energy will become one-fourth.

• The equation of kinetic energy shows that an increase in velocity will increase kinetic energy more than an increase in mass.

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