PH-2409

Work done

Physics · Secondary 4 · Medium · Work done

1. $8.1\times10^4\,\text{J}$
2. $4.1\times10^4\,\text{J}$
3. $6.5\times10^4\,\text{J}$
4. $1.5\times10^5\,\text{J}$

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