Question

What is the kinetic energy of an object acording to 9 class?

Answer 1

Answer:

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Explanation:

Kinetic energy is the energy possessed by a body by the virtue of its motion. Every moving body possesses kinetic energy. In fact, kinetic energy of a body moving with a certain velocity is equal to the work done to make it acquire that velocity.

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Answer 2

Kinetic energy is the energy possessed by an object by virtue of its motion.

• The kinetic energy of an object depends on the mass and velocity of the object. The SI unit of kinetic energy is Joule.
• For example- if a car and a bus are travelling at the same speed, the bus will have a greater kinetic energy because it has a higher mass.
• There are 5 types of kinetic energy, these are- radiant, thermal, sound, electrical and mechanical.
• Kinetic energy of an object can be calculated using the formula- KE = mv²/2. Here, m is the mass of the object and v is its velocity.
• Kinetic energy is a scalar quantity as it is completely defined by magnitude only.

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