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A battery lights a bulb discribe the changes involved in the forcess |
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Answer» When a battery lights a bulb, first thebattery CONVERTS chemical energy into ELECTRICAL energy. This electrical energy is CONVERTED into heat and light. Certain force acting on a 20 kg masschanges its velocity from 5 ms-1 to 2 ms-1. ... Displacement of mass from A to B is horizontal. |
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