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Physics
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4d_
  • Member for 5 years, 9 months
  • Last seen more than 1 year ago
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13
Can we divide a vector by another vector? How about this: $a = vdv/dx?$
Jan 25, 2019
8
Potential energy of a spring vs potential energy of the spring-mass system
May 21, 2020
6
Is a unit vector really unitless and dimensionless?
Oct 14, 2018
5
Tension in a massless string being pulled at its ends with unequal forces
Dec 4, 2019
3
Why can’t we consider these two masses as a system in case of a pulley?
Apr 7, 2020
2
Why does Friction not accelerate the body in this case?
Apr 14, 2022
2
Motion involving Constraint relations
Sep 9, 2021
2
Different expressions for distance & displacement : $\int$$d$$|\vec r|$, $\int$$|$$d$$\vec r$|, and $|$$\int$$d$$\vec r|$
Feb 3, 2019
2
Can we know whether it’s a $1D$ or a $2D$ motion just by looking at the position-time relation?
Feb 9, 2019
2
Is tension along the length of a massive rope resting on a table always the same?
Nov 25, 2019
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5
If $f(x) =5x^2 - 2kx + 1 < 0$ has exactly one integral solution, find the sum of all positive integral values of $k$.