Embibe Experts Solutions for Chapter: Work, Energy and Power, Exercise 3: BEGINNER'S BOX - 3

The kinetic energy of a particle increases continuously with time. Then, select the correct alternative.

A particle moves in a one-dimensional field with total mechanical energy $E$. If its potential energy is $U\left(x\right)$, then

A block weighing $10 \mathrm{N}$ travels down a smoothly curved track $AB$ joined to a rough horizontal surface. The rough surface has a friction coefficient of $0.20$ with the block. If the block starts slipping on the track from a point $1.0 \mathrm{m}$ above the horizontal surface, then it would move a distance $S$ on the rough surface. Calculate the value of $S$ $\left[g=10 \mathrm{m} {\mathrm{s}}^{-2}\right]$

A particle of mass 10 g is placed in potential field given by V = (50 x² + 100) erg/g. What will be frequency of oscillation of particle?