Whether a split of water is a exothermic or a endothermic process ?
Whether a split of water is a exothermic or a endothermic process ?
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A particle is moving in a circular path of radius a under the action of an attractive potential $U = - \frac{k}{{2{r^2}}}$ Its total energy is
A particle is moving in a circular path of radius a under the action of an attractive potential $U = - \frac{k}{{2{r^2}}}$ Its total energy is
- [JEE MAIN 2018]
Derive the work energy theorem for a variable force exerted on a body in one dimension.
Derive the work energy theorem for a variable force exerted on a body in one dimension.
If a shell fired from a cannon, explodes in mid air, then
If a shell fired from a cannon, explodes in mid air, then
Which graph shows best the velocity-time graph for an object launched vertically into the air when air resistance is given by $| D | = bv?$ The dashed line shows the velocity graph if there were no air resistance.
Which graph shows best the velocity-time graph for an object launched vertically into the air when air resistance is given by $| D | = bv?$ The dashed line shows the velocity graph if there were no air resistance.
A knife of mass $m$ is at a height $x$ from a large wooden block. The knife is allowed to fall freely, strikes the block and comes to rest after penetrating distance $y$. The work done by the wooden block to stop the knife is ..............
A knife of mass $m$ is at a height $x$ from a large wooden block. The knife is allowed to fall freely, strikes the block and comes to rest after penetrating distance $y$. The work done by the wooden block to stop the knife is ..............