- #1
samsam
- 9
- 0
Help i have brain ache, i need to know the kinetic energy at 120 mph ? please can someone help ?
Kinetic Energy at 120 mph: Find Your Answer Here
- Thread starter samsam
- Start date
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- Tags
- Energy Kinetic Kinetic energy
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Homework Help Overview
The discussion revolves around calculating kinetic energy at a speed of 120 mph, specifically addressing the need for mass to perform the calculation. The subject area is physics, focusing on the concept of kinetic energy.
Discussion Character
- Exploratory, Assumption checking
Approaches and Questions Raised
- Participants discuss the necessity of knowing the mass of the object to calculate kinetic energy. There is also mention of the speed of a train as a reference point.
Discussion Status
The discussion is ongoing, with participants questioning the original poster's assumptions about the mass required for the calculation. Some guidance has been offered regarding the formula for kinetic energy, but no consensus has been reached.
Contextual Notes
The original poster has not provided the mass of the object, which is crucial for the calculation. There is a light-hearted tone in the responses, indicating a mix of frustration and camaraderie among participants.
- #2
Shooting Star
Homework Helper
- 1,980
- 4
No, because you have not specified the mass. (Don't pass on the headache to us.
)
)- #3
samsam
- 9
- 0
Hi all i have to go on is a train doing Normal speed for the X2000 is 200 km/h (120 mph),
- #4
Shooting Star
Homework Helper
- 1,980
- 4
For a mass m moving at speed v, KE = (1/2)mv^2 (in consistent units.)
- #5
samsam
- 9
- 0
Thankyou so much mate. I might be home and dry for your help.
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