Kinetic energy

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Madeline Lequang 1G
Posts: 30
Joined: Fri Sep 28, 2018 12:27 am

Kinetic energy

Postby Madeline Lequang 1G » Fri Nov 02, 2018 4:53 pm

Does the formula (1/2)mv^2 only apply to kinetic energy? or can it be used for other types of energy?

Josephine Chan 1B
Posts: 31
Joined: Fri Sep 28, 2018 12:17 am

Re: Kinetic energy

Postby Josephine Chan 1B » Fri Nov 02, 2018 4:55 pm

That formula is specifically for kinetic energy so don't think it can be used for other types of energy.

Brian Kwak 4H
Posts: 57
Joined: Fri Sep 28, 2018 12:17 am

Re: Kinetic energy

Postby Brian Kwak 4H » Sat Nov 03, 2018 8:37 pm

As stated before the Formula is used only to find the Kinetic energy but if you don’t have all the requested information I’m pretty sure you can also use de Broglie equation to help you find that portion. Since the equation is KE= 1/2 MV^2 and you don’t have velocity you can use de Broglie’s equation to help you find that information if they give you lets say the mass and wave length. I hope this helps a bit.

305115396
Posts: 30
Joined: Fri Sep 28, 2018 12:16 am

Re: Kinetic energy

Postby 305115396 » Sat Nov 03, 2018 11:34 pm

It is only used for kinetic energy. It is specifically given as the equation for kinetic energy on the equations sheet so there is no reason to think that it is used for other types of energy

Karan Thaker 2L
Posts: 75
Joined: Fri Sep 28, 2018 12:26 am

Re: Kinetic energy

Postby Karan Thaker 2L » Sat Nov 03, 2018 11:37 pm

I agree. In our context it is frequently used in electron kinetic energy calculations and for relating debroglie principles to the photo electric effect.

Aiden Atoori 1C
Posts: 67
Joined: Fri Sep 28, 2018 12:24 am

Re: Kinetic energy

Postby Aiden Atoori 1C » Sat Nov 03, 2018 11:39 pm

We use it to only find kinetic energy!

Jack Hewitt 2H
Posts: 67
Joined: Fri Sep 28, 2018 12:27 am

Re: Kinetic energy

Postby Jack Hewitt 2H » Thu Dec 06, 2018 6:30 pm

Madeline Lequang 1G wrote:Does the formula (1/2)mv^2 only apply to kinetic energy? or can it be used for other types of energy?

It only applies to kinetic energy.

Grace Diaz 3F
Posts: 30
Joined: Fri Sep 28, 2018 12:24 am

Re: Kinetic energy

Postby Grace Diaz 3F » Sun Dec 09, 2018 7:12 pm

It only applies to kinetic energy. For example the energy of a photon is measured by plank's constant times it's frequency.

805169754
Posts: 61
Joined: Fri Sep 28, 2018 12:19 am

Re: Kinetic energy

Postby 805169754 » Sun Dec 09, 2018 7:21 pm

The formula only works for kinetic energy because kinetic energy is the only energy that is directly proportional to the mass of the object and to the square of its velocity


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