Answer:
In a chemical reaction the total mass of all the substances taking part in the reaction remains the same. Also, the number of atoms in a reaction remains the same. Mass cannot be created or destroyed in a chemical reaction.
Explanation:
Here we can use the work energy theorem

here we know that

as it come to rest finally



now work done by friction force will be given as


Work done by spring force is given as



so now plug in all data above


so above is the friction coefficient
An alcohol functional group is called a hydroxyl group.
Answer:
Force and displacement.
Explanation:
Work done is positive when we push table and it move in the direction of applied force.
Answer:
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Explanation:
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