Question

Question #a4647

Answer 1

(a) `1.0xx10^13erg`

Explanation:

Work done in SI system of units`=1 text{ mega joule}`
Since mega`=10^6`, hence Work done `1.0xx10^6J`

We need to convert Joule to, CGS system of units where erg is the unit of work, dyne is the unit of Force and centimetre is the unit of distance.
Now `1J=1Nxx1m=10^5dyn e color (red)diamondxx100 cm=10^7erg`
`color (red)diamond` Force`=ma`
`1N=1kgxx1ms^-2=1000gmxx100cms^-2=10^5dyn e`

In the given problem
`1.0xx10^6J=1.0xx10^6xx10^7`
`=1.0xx10^13erg`