# Questions tagged [calculus]

Calculus is the branch of mathematics which deals with the study of rate of change of quantities. This is usually divided into differential calculus and integral calculus which are concerned with derivatives and integrals respectively. DO NOT USE THIS TAG just because your question makes use of calculus.

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### Why is $dr$ not equal to $\vec{dr}?$ Irodov fundamental of mechanics 1.1 pg 15 [closed]

Why is $dr$ not equal to $\vec{dr}$ where $r$ is the modulus of radius vector $\vec{r}$ and $\vec{v}$ (velocity) is not equal to $dr/dt$?
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### Conservation of energy in a mechanical system with a discontinuous potential function

I've started reading Landau-Lifshitz Mechanics, and I'm having trouble with the problem at the end of section 7. A particle of mass $m$ moving with velocity $\mathbf{v}_1$ leaves a half-space in ...
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### Mapping monoenergetic dose rates to a dose rate from a spectrum of neutron energies [closed]

I have the following function N(E) = B Sinh(sqrt(2E)) e^(-0.88E) which represents the release of fission neutrons over different energies. I have calculated dose rates for different monoenergetic ...
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### How to calculate jerk in uniform circular motion?

We can calculate the centripetal acceleration in circular motion by the equation v^2/r. But how do we calculate the jerk (which is acceleration over time)?
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