Dynamics question, test tommorrow

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SUMMARY

The forum discussion centers on a dynamics problem related to calculating acceleration, specifically yielding a solution of 3.9 m/s². The user initially miscalculated the mass, using an incorrect value instead of the correct total mass of 8.0 kg, which is the sum of 2.5 kg and 5.5 kg. The user expressed frustration but ultimately recognized the error in their approach to applying Newton's second law, F_net = m a.

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  • Basic knowledge of mass and acceleration calculations
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This discussion is beneficial for students preparing for physics exams, particularly those focusing on dynamics and force calculations, as well as educators seeking to understand common student misconceptions in physics.

Matt1234
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hmmmmmmmmm, got it.

At the very end where i have Fnet = m a

m is actually (2.5 + 5.5)
 

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