552 reputation
31528
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location Karachi, Pakistan
age 18
visits member for 2 years, 4 months
seen yesterday

A high school maniac who wants to really know how they (physicists) can tell so much about the real world using mathematics.


May
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Dec
20
comment Can velocity be an undefined quantity?
Well, in order to measure average velocity of a particle, you must need at least two points from your graph or else average velocity becomes undefined according to the formula: $$v_{av} = \frac{\Delta x}{\Delta t}.$$
Dec
20
comment Do components of force have direction when doing work?
Angle, between $\vec{F}$ and $\vec{s}$, being greater than $\frac{\pi}{2}$ implies that the $x$-component of $\vec{F}$ is opposite the direction of $\vec{s}$, at least in the case you describe here. So yes.
Dec
17
comment Another condition of calculating work
No, I think the situation is more complicated, or I do not understand what you mean. Talk to me on chat.
Dec
17
comment Another condition of calculating work
Talk to me on chat.
Dec
17
comment Another condition of calculating work
It will not fall along the incline unless there is an inclined plane attached to the table.
Dec
17
revised Another condition of calculating work
fixed grammar
Dec
17
suggested approved edit on Another condition of calculating work
Dec
12
accepted Can a simple pendulum be considered a simple harmonic oscillator?
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