5. Two blocks with unequal masses, M and m (M = 2m), are connected by a light, very long cord passing over a pulley of negligible mass, as shown in the figure, and then released. Friction is negligible. If one of your classmates calculated that, once released, the acceleration of the blocks would be g, without doing any calculations, say whether or not this could be a reasonable value for the acceleration. Claim: The va lue of g is not reasonayle caiculations (I did this after mry claim) Mg -t - Ma Mg-mg: 2mg - mg -mg: ma (M+m) a Zmg -mg = (2mim)a mg: 3ma 3 M
5. Two blocks with unequal masses, M and m (M = 2m), are connected by a light, very long cord passing over a pulley of negligible mass, as shown in the figure, and then released. Friction is negligible. If one of your classmates calculated that, once released, the acceleration of the blocks would be g, without doing any calculations, say whether or not this could be a reasonable value for the acceleration. Claim: The va lue of g is not reasonayle caiculations (I did this after mry claim) Mg -t - Ma Mg-mg: 2mg - mg -mg: ma (M+m) a Zmg -mg = (2mim)a mg: 3ma 3 M
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I included two pictures. Please show me how to approach the problem in the correct manner based on the feedback given. It is okay to completely change the answer if you need to. Please give a reasoning to why the claim is not reasonable and the work needed to back this up.
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