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Physics 13 Online
OpenStudy (anonymous):

an object's speed is 2.40 m/s, and its momentum is 120.0 kg * m/s. What is the mass of the object?

OpenStudy (mrnood):

Simply take the formula for momentum, (which has 3 terms - mass, velocity, and momentum) and solve it for mass. (note - strictly speaking it is the velocity (not the speed) which you need to know for this question)

OpenStudy (anonymous):

i know what the formal is..

OpenStudy (mrnood):

so - if you know the formula- put in the values from the question, and solve it...

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