MCQ
Two masses $M$ and $m$ are connected by a weightless string. They are pulled by a force $F$ on a frictionless horizontal surface., the acceleration of mass $m$ is


- A$\frac{F}{m}$
- ✓$\frac{{F - T}}{m}$
- C$\frac{{F + T}}{m}$
- D$\frac{F}{M}$

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$y = A\,\cos \,\omega t\,\cos \,2\omega t + A\,\sin \,\omega t\,\sin \,2\omega t$.
Than the nature of the function is

