Assertion - A car and truck have the same momentum, then the kinetic energy of car is more than that of the truck. Reason - The energy possessed by moving vehicle is called its kinetic energy and its magnitude depend on mass of a body and its speed.
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Answer : Assertion is true and Reason is true and Reason is correct explanation of Assertion.
Explanation:
As We know, Momentum p=mv
Thus, as mass of car is less than truck.
However momentum are same, that shows velocity of car is greater than the velocity of truck.
- A car and truck have the same momentum, then the kinetic energy of car is more than that of the truck because energy possessed by moving vehicle is called its kinetic energy and its magnitude depend on mass of a body and its speed. As mass of car is less than truck , and thus velocity of car is greater than the velocity of truck because they have same momentum.
- Kinetic energy of car is more than that of the truck because kinetic energy is proportional to two times velocity of object and only one times the mass . As Velocity of car is more than truck , thus kinetic energy of car is greater.
Hence, Assertion is true and Reason is true and Reason is correct explanation of Assertion.
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