Linear Momentum


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MaryBanh_2K
Posts: 90
Joined: Wed Sep 18, 2019 12:21 am

Linear Momentum

Postby MaryBanh_2K » Fri Oct 18, 2019 3:45 pm

What is linear momentum and how do we solve for it?

Gabriella Bates 2L
Posts: 95
Joined: Thu Jul 11, 2019 12:15 am

Re: Linear Momentum

Postby Gabriella Bates 2L » Fri Oct 18, 2019 3:54 pm

Linear momentum is the product of the mass and velocity of an object. It is a vector quantity with units of kg*m/s, and is conserved.

Edmund Zhi 2B
Posts: 102
Joined: Sat Jul 20, 2019 12:16 am

Re: Linear Momentum

Postby Edmund Zhi 2B » Fri Oct 18, 2019 5:12 pm

Linear momentum, p, can be calculated by multiplying the mass of an object, m, by its velocity, v. p = mv. We can use (the uncertainty of) this value in Heisenberg's Indeterminacy Equation.

Nathan Nakaguchi 1G
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Joined: Wed Sep 18, 2019 12:22 am
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Re: Linear Momentum

Postby Nathan Nakaguchi 1G » Fri Oct 18, 2019 5:15 pm

Linear momentum is p, where its formula is composed of p=mv or Momentum = Mass (usually kg) * Velocity (usually m/s).

Anisha Chandra 1K
Posts: 107
Joined: Thu Jul 11, 2019 12:17 am

Re: Linear Momentum

Postby Anisha Chandra 1K » Sat Oct 19, 2019 10:24 pm

Linear momentum is mass x velocity, but if you're looking for what that means, it's basically a measure of how hard it is to stop something that's already moving. Higher linear momentum = harder to stop the object.

Nick Lewis 4F
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Joined: Wed Sep 18, 2019 12:18 am

Re: Linear Momentum

Postby Nick Lewis 4F » Sun Oct 20, 2019 11:01 pm

How does linear momentum relate to the De Broglie equation? I know the equation shows that wavelength = planck's constant / momentum, but what exactly does this mean? Does it just mean that an object with higher momentum will have a shorter wavelength? Cause it shows an inversely proportional relationship between these 2 variables. Does it work for only particle property objects or does it work for wavelike property objects too?

Aiden Metzner 2C
Posts: 84
Joined: Wed Sep 18, 2019 12:21 am

Re: Linear Momentum

Postby Aiden Metzner 2C » Fri Oct 25, 2019 3:26 pm

You somewhat answered your own question. Linear momentum relates to the de broglie equation in that it has an inverse relationship with wavelength. So yes a larger momentum means a smaller wavelength. For example a car moving 60 mph has a much larger momentum then an electron, so it has a much smaller wavelength


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