Calculate the kinetic energy of a body of mass $2 \, kg$ moving with a velocity of $0.1 \, m s^{-1}$. (in $, J$)
- A$0.01$
- B$0.1$
- C$0.02$
- D$0.2$
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An object of mass $5\,kg$ falls from a height of $5\,m$ above the ground. The loss of potential energy of the mass is:
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View SolutionAn object of mass $10 \ kg$ is made to fall freely from a height of $10 \ m$. Complete the table:
Height of object $(m)$ $PE$ $(J)$ $KE$ $(J)$ Mechanical Energy $(J)$ $10$ ... ... ... $8$ ... ... ... $5$ ... ... ... Just above ground ... ... ...
Hence,state the law of conservation of energy.
| Height of object $(m)$ | $PE$ $(J)$ | $KE$ $(J)$ | Mechanical Energy $(J)$ |
| $10$ | ... | ... | ... |
| $8$ | ... | ... | ... |
| $5$ | ... | ... | ... |
| Just above ground | ... | ... | ... |
Hence,state the law of conservation of energy.
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