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     EduGorilla 
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    A spring scale is adjusted to read zero. Particles of mass 1 g fall on the pan of the scale and collide elastically and they rebound upward with the same speed. If the height of fall of particles is 2 metres and their rate of collision is 100 particles per second, then the scale reading (in grams) will be

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    1. 1000 g
    2. 1100 g
    3. 1200 g
    4. 1252 g
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Reply To: A spring scale is adjusted to read zero. Particles of mass 1 g fall on the pan of the scale and coll….
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