In the system below the block on the table is connected to two hanging masses, one on each side. All ropes are massless, the surface of the table and the pulleys are frictionless. What is the magnitude of acceleration of the system? Take the variable M = 6.97 kg.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.