HW problems 4B.3

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LeAirraBullingor2k
Posts: 77
Joined: Wed Mar 13, 2019 12:15 am

HW problems 4B.3

Postby LeAirraBullingor2k » Fri Feb 07, 2020 1:06 am

Is the answer to part B of this question wrong in the answer key? I'm getting 490 J and I don't see how 90x10^2 would be the answer.

Hannah Lee 2F
Posts: 117
Joined: Thu Jul 11, 2019 12:15 am

Re: HW problems 4B.3

Postby Hannah Lee 2F » Fri Feb 07, 2020 10:11 am

I also got 490 J, so I think the answer key must be off. But someone feel free to correct me!

Amanda Mei 1B
Posts: 109
Joined: Sat Aug 24, 2019 12:16 am

Re: HW problems 4B.3

Postby Amanda Mei 1B » Fri Feb 07, 2020 10:20 am

I got 490 J as well. The solution manual says that's the answer, so the book must be incorrect.


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