Two forces, F1 = (3.90î − 2.60ĵ) N and F2 = (3.65î − 8.05ĵ) N, act on a particle of mass 2.10 kg that is initially at rest at coordinates (+1.60 m, +3.50 m). (a) What are the components of the particle's velocity at t = 11.8 s?  v = 42.362i−59.826j m/s (b) In what direction is the particle moving at t = 11.8 s?   305.30 2   (c) What displacement does the particle undergo during the first 11.8 s? Δr = 863.07 m is not correct answer

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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.