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When solving for the DeBroglie wavelength, should the velocity always be in m.s? I was working on a problem where the velocity was given in km hr and I was not sure if I needed to convert it into m.s.
In past problems, I want to say that you have to change the units because it is commonly in m*s.
The SI units (standard units) are meters per second (m/s). If you're confused on what units to use, just use m/s because it will most likely be correct. However, if the problem specifies the units, then make sure to stick with those. I hope this helps!
To have your units correctly cancel, stick with the metric system's SI units while solving the equation. If the answer asks for velocity- say, in mph- you should complete the problem using the metric system & SI units, and then convert your answer to the desired units using dimensional analysis.
I would play it safe and use m.s
Yes, velocity should be in meters per second.
To be safe I would put velocity in m/s. However, my TA did an example in discussion where he left velocity in km/s and mass in g and the answer still turned out correct because the units correctly canceled with one another.
Velocity should be in its SI units unless state otherwise on a test.
Velocity itself is measure in meters per second. Therefore, one should typically convert all values of velocity to meters per second to solve an equation.
Velocity should always be in m/s with chemistry calculations.
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