A big block (mass M), initially resting on a frictionless ground, starts to move due to a little block of mass m, which is shot with speed v0 to its rough upper surface. The kinetic friction coefficient between the two bodies is μ. a) Determine the time T , that is required, until both bodies move with the common speed v∗. b) Determine the covered distance of M, until the common speed is reached

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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.