marcusl's latest activity
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Mmarcusl reacted to Baluncore's post in the thread Undergrad Capacitor Voltages at t = 0: Zero or Split? with
Like.
Welcome to PF. An impossible situation has been hypothesised. If V1 is an instant step function, then it must instantly charge the two... -
MOP: welcome, but this is not the best place for paradigm shifting. It's On the list: #19
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MI think long term storage gives chemistry time to work. Following the condensation of moisture, adsorption onto the internal surfaces...
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Mmarcusl reacted to renormalize's post in the thread Undergrad The imaginary part of the wave function with Like.
I don't see that at all. Consider, e.g., Griffiths & Schroeter, Introduction to Quantum Mechanics (3rd ed.) in which the authors solve...
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MI don't understand! His reply is spot on.
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Mmarcusl reacted to jbriggs444's post in the thread Why Is Fan Suction/Intake So Weak Compared to Exhaust? with Like.
It is difficult to get a prop-driven airplane to exceed the speed of sound, yes. But a centrifugal fan should be able to produce a...
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Mmarcusl reacted to DaveC426913's post in the thread Introduction, as directed by the PM! All hail! with Like.
Welcome, SK. Expect a lot of questions and concern about safety. Your admission that you know little about chemistry while also...
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Mmarcusl replied to the thread Announcement RIP Vanadium 50.I miss his candor. How many times have we seen a post along the lines of "I'm a physics major at a lower ranked state college with a 2.4...
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Mmarcusl replied to the thread Music What Happened to Talent?.I Googled Autotune a while back and came across some YouTube videos of famous modern singers with apparently good voices, followed by...
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Mmarcusl replied to the thread Why Is Fan Suction/Intake So Weak Compared to Exhaust?.Baluncore's comment is a large part of the answer. It is possible to have powerful air currents on the suction side by simply fitting a...
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Mmarcusl reacted to Baluncore's post in the thread Why Is Fan Suction/Intake So Weak Compared to Exhaust? with Like.
The fan lowers the pressure at the inlet. Air from all directions begins to flow toward the fan, turning gradually as it accelerates...
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Mmarcusl replied to the thread What mathematics software should engineering students use?.The OP is an instructor asking what SW he should require his students to use.
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Mmarcusl replied to the thread What mathematics software should engineering students use?.I work for a large aerospace company and Matlab is almost universally used. Skill in Matlab is a requirement on most engineering job...
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Mmarcusl replied to the thread NASA Currently trying to build a rocket to launch into space.I suggest that you use capitalization and punctuation in future posts. It’s pretty hard to parse your thoughts without them.
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Mmarcusl replied to the thread Graduate Project Progress Report and possible Radio Astronomy Technique?.There's no R in the formula for power, only for the voltage generated by a resistance. A resistor delivers a power spectral density S=kT...
