There are two forces on the 2.30 kg box in the overhead view of the figure but only one is shown. For F, - 20.3 N, a = 12.1 m/s2, ande- 36.8°, find the second force (a) in unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative angle measured from the +x direction.) (a) Number -36.97 i+ -22.3 į Units

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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.