1. What causes some atoms of the same element to have different atomic masses?
2 answers:
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Answer:
The correct option is a
Explanation:
From the question we are told that
The mass of the block is
The height of the vertical drop is
Generally from the law of energy conservation , the potential energy at the top of the slide is equal to the kinetic energy at the point after sliding this can be mathematically represented as
i.e
=>
=>
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