There are two particles (1 and 2) that are moving around in space. The mass of particle 1 is 4.7 kg and the mass of particle 2 is 7.05 kg. The particles are isolated so that only the forces between the particles are significant. The force that 2 exerts on 1 is given by: F21(t) = Fat3i + Fbt2 j Fa = 23.6 N/s3 Fb = -10.4 N/s2 If the y component of the impulse from 1 on 2 is 1021 N s, what is the y component of the average force from 2 on 1 If the y component of the impulse from 1 on 2 is 1021 N s, what is the y component of the change in momentum for particle 2? Remember that the mass of particle 1 is 4.7 kg and that the mass of particle 2 is 7.05 kg. If both particles were at rest at the initial time, which particle will have the larger speed at the end of the time interval?

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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.