Units for Problem #1.25 (6th Edition)  [ENDORSED]

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joanneyseung22
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Units for Problem #1.25 (6th Edition)

Postby joanneyseung22 » Sat Oct 20, 2018 12:56 pm

For this question, I was just wondering about the specific units for Planck's constant and speed of light. Is the unit for Planck's constant J.s and the unit for speed of light m.s-1? If so, what is the difference between m.s-1 and m.s, as well as J.s and J?

Kessandra Ng 1K
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Joined: Fri Sep 28, 2018 12:25 am

Re: Units for Problem #1.25 (6th Edition)  [ENDORSED]

Postby Kessandra Ng 1K » Sat Oct 20, 2018 1:03 pm

ms-1 is metres per second, so a measurement for the speed/velocity of something, while ms is usually milliseconds, which is a measurement for time.

Js is joules multiplied by a second, so a measurement for the action of a system over time, while J is just joules, which is a measurement for energy.


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