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age 21
visits member for 2 years, 8 months
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Apr
26
reviewed Approve Why is the conductor an equipotential surface in electrostatics?
Apr
26
reviewed Approve Why do electric field lines start and end at 90 degree at the surface of a conductor?
Apr
26
reviewed Reject Why is a 1mW laser dangerous?
Apr
26
reviewed Reject When will the pringles can fall?
Apr
26
comment RC Circuit Analysis
In its current phrasing this sounds an awful lot like you want us to answer a multiple choice homework problem. Could you expand with what parts confuse you?
Apr
24
comment How to simulate pendulum movement with high amplitude
khanacademy.org/computer-programming/forphys/6505289796943872 the "degrees" function turns radians into degrees, (multiplication by 180/Pi) which the trig functions need. no further explanation needed
Apr
23
comment Parabolic slide
@Shadock also, since $\dot{x}(x_0)=0$ you'll run into an integral with a singularity at one bound of integration, but it has to be an integrable singularity. If it puts you off too much just take $\dot{x}(x_0)=\varepsilon\to 0$.
Apr
23
answered Parabolic slide
Apr
22
reviewed Reject Does AC current produce EM waves?
Apr
18
reviewed Approve What exactly is the “coherence” between waves?
Apr
18
reviewed Approve Simple question relating to physics prac reports
Apr
17
reviewed Reject How many joules of energy are required to convert 1 liter of water into hydrogen and oxygen, theoretically?
Apr
17
reviewed Reject Is the only difference between two particles their location and momentum?
Apr
17
reviewed Approve Why does the lake surface appear darker in some areas?
Apr
17
awarded  Proofreader
Apr
17
reviewed Reject Why does kinetic energy increase quadratically, not linearly, with speed?
Apr
17
reviewed Approve Why do we get the same result using different ensembles?
Apr
17
reviewed Reject All matter has a mass but does all matter have a gravitational pull?
Apr
16
comment Period of a simple pendulum accounting for friction
Hi, there are surely lots of answers to this question on the website: physics.stackexchange.com/q/140943 physics.stackexchange.com/q/20478 etc. The keyword is "damped harmonic oscillator".
Apr
15
reviewed Approve How does an infrared thermometer actually calculate temperature?