an object moves 1st one third of the distance with 40m/s next one third with 30m/s and remaining distance with 20m/s .object returns to the starting point with 80m/s. find average speed and average velocity
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Kinetic energy is the energy an object has because of its motion.
If we want to accelerate an object, then we must apply a force. Applying a force requires us to do work. After work has been done, energy has been transferred to the object, and the object will be moving with a new constant speed. The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.
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