What is the meaning of equation: M = ∑mi

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SUMMARY

The equation M = ∑mi represents the total mass (M) as the sum of individual masses (mi) in a system. This formula is relevant in the context of conservation of energy, Newton's laws, and momentum/collisions. Participants in the discussion confirmed that the interpretation of the equation as the total mass being the sum of individual masses is accurate and straightforward.

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rudy
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Homework Statement


This equation is on a formula sheet for an exam and I'm not sure what type of problem it even applies to.

Homework Equations


M = ∑mi
(The i is supposed to be written as a subscript in this equation)

The Attempt at a Solution


Total mass = sum of individual masses? This seems too obvious. Is this really the answer?

The formula sheet is for an exam on conservation of energy, Newton's laws and momentum / collisions.

Thanks in advance
 
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rudy said:

Homework Statement


This equation is on a formula sheet for an exam and I'm not sure what type of problem it even applies to.

Homework Equations


M = ∑mi
(The i is supposed to be written as a subscript in this equation)

The Attempt at a Solution


Total mass = sum of individual masses? This seems too obvious. Is this really the answer?
Without any further context, I would say you are correct -- sum of the individual masses.
rudy said:
The formula sheet is for an exam on conservation of energy, Newton's laws and momentum / collisions.

Thanks in advance
 
Sounds good to me, thanks
 

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