Two blocks of masses ml and m2, with m1 has greater mass than m2, are placed in contact with each other on a frictionless, horizontal surface as shown in the figure. A constant horizontal force is applied to ml as shown. Find the magnitude of the acceleration of the system. m1 m2 (a) P21 P12 Piz L. (c) (Ъ)

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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.