brotherbobby's latest activity
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brotherbobby replied to the thread Undergrad The effect of a radio wave on an electron.Yes, let me calculate. We have the position of the electron relative to the origin O : ##x(t) =... -
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brotherbobby posted the thread Undergrad The effect of a radio wave on an electron in Electromagnetism.Statement of the problem : The problem is a solved example in Kleppner and Kollenkow's book, p. 21. The example is titled : "The Effect...
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brotherbobby replied to the thread High School Deriving the "third" kinematic equation using graphs.I am the OP of this thread, sorry coming in almost two days late. I have read some of the posts of the thread and the best way to clear...
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brotherbobby replied to the thread High School Deriving the "third" kinematic equation using graphs.Yes, am afraid I entirely forgot about that thread. True, you'd need some algebra but that can be readily done with equations (1) and...
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brotherbobby posted the thread High School Deriving the "third" kinematic equation using graphs in Classical Physics.Problem Statement : For a particle moving in one dimension along the ##x## axis with constant acceleration ##a_0## (see figure...
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brotherbobby replied to the thread Undergrad Curl of velocity vector in rotational motion.Yes I agree with the second sentence of yours. It is the first that is more interesting. Let me write it again, despite being...
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brotherbobby replied to the thread Undergrad Curl of velocity vector in rotational motion.Thank you, and a bit silly on my part. My derivation up there in post#1 remains the same even if the the angular velocity vector...
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brotherbobby replied to the thread Undergrad Curl of velocity vector in rotational motion.Space. So if the angular velocity of the body varies with time, say ##\vec\omega(t)##, I have the following two questions. The first...
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Attempt : I draw the diagram of the problem to the right. A circular plate of radius ##a## rotates with an angular velocity ##\vec\omega...
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