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Two masses m1= 6 kg and m2=2 kg are connected by a massless strings over a...

Two masses m1= 6 kg and m2=2 kg are connected by a massless strings over a massless pulley as shown in the figure. the displacement of m1 after 5 seconds is:

Three concrete blocks were placed on a weightless plank. The weights are: w1 = 1 N, w2 = 2 N, and w3 = 4 N Where is the centre of gravity?

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Abdul-Rahim Taysir

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