When the proton is at location A , what are the magnitude and direction of p? ,

Question

When the proton is at location A, what are the magnitude and direction of

p?, the parallel component of

?

magnitude = ___kgm/s/s

, the perpendicular component of

?
magnitude = _____kgm/s/s

d|p| dt A proton follows the curving path shown in red. The dotted gray circle is the kissing circle tangent to the path when the proton is at location A. The proton is traveling at a constant speed of 3.0 dt ? magnitude = _____kg 1/2 m/s/s dp? dt , the perpendicular component of dprightarrowhead.gif dt ? magnitude = ___kg 1/2 m/s/s When the proton is at location A, what are the magnitude and direction of|if| dt p?, the parallel component of 10-27 kg. Refer to the directional arrows shown at right when answering the questions below. When the proton is at location A, what are the magnitude and direction of d|p 10^5 m/s, and the radius of the kissing circle is 0.09 m. The mass of a proton is 1.7

Explanation / Answer

The proton at point A is in uniform circular motion.

And dp/dt is force.

So the answer to the first question is 0 magnitude, letter m, because there is no parallel force, it's all perpendicular.

And the answer to the second question is

mv^2/r or

(1.7 * 10-27 kg)(3.0 * 10^5 m/s)^2/(0.09 m) = 1.7 * 10^-15 kg m/s^2 in direction b

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