### a problem about moving particles

Posted:

**Wed Oct 26, 2005 12:25 am**would u please help me with this problem?

thank u in advance

A charged particle, A, moving at a speed much less than c, decelerates uniformly. A second particle, B, has one-half the mass, twice the charge, three times the velocity, and four times the acceleration of particle A. According to classical electrodynamics, the ratio PB/PA of the powers radiated is

(A) 16

(B) 32

(C) 48

(D) 64

(E) 72

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thank u in advance

A charged particle, A, moving at a speed much less than c, decelerates uniformly. A second particle, B, has one-half the mass, twice the charge, three times the velocity, and four times the acceleration of particle A. According to classical electrodynamics, the ratio PB/PA of the powers radiated is

(A) 16

(B) 32

(C) 48

(D) 64

(E) 72

[/img]