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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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in module 12 of work energy...if we take minus the answer is 3

6 years ago by Saurav Tiwari

sir in modulo 12 of work energy....you have written Wpr=Ur--Up=7 sir it should be plus

6 years ago by Saurav Tiwari

sir how do came to know that external agent is doing work and not conservative field itself??

6 years ago by Divit Goyal

In this question as it is a work done in conservative field so it should be initialPE- finalPE NOT final-initial am i right?

8 years ago by LAIBA NOOR

Ans 1 ->

No since here an external agent is doing the work thus {Work done=(Potential Energy)final-(Potential Energy)initial}

8 years ago by Akshunn Trivedi

Ans 2 ->

8 years ago by Akshunn Trivedi

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