Four blocks, with masses m1 = 5.20 kg, m2 = 5.40 kg, m3 = 7.10 kg, and m4 = 7.10 kg, are pulled on a horizontal frictionless surface by a 34.0 N force that makes an angle of 25 degrees with the horizontal. What is the magnitude of the tension between the m2 and m3 blocks?

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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.