An element’s mass number tells the number of protons in its nucleus true or false?
2 answers:
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Answer:
Explanation:
According to the free body diagram, in this case, we have:
Recall that the force of friction is given by:
Replacing and solving for the coefficient of kinetic friction:
We have an uniformly accelerated motion. Thus, the acceleration is defined as:
Finally, we calculate :
For 3 kg mass: <em>F = =
=
= 4
/
</em>
For 6 kg mass: <em>F = =
=
= 2
/
</em>
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