How Much Total Mechanical Energy Does the Truck Have?
A 2000 kg truck is moving at 5 m/s at the top of a 10 m hill. How much total mechanical energy does the truck have?
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Posts Tagged ‘Energy’
What Objects Convert Mechanical Energy to Heat Energy?
I have a science fair project and I feel like doing something that involves using exercise to achieve warming up a type of food.
exp. Lifting weights to warm up bread
Problem is, I don’t know what could convert mechanical energy to heat energy. Also, where can you buy a motor that can convert mechanical energy to electrical energy?
What Is the Total Mechanical Energy of a Spring?
Here’s the initial question: 1. A 12.67kg mass is laying on a frictionless surface and it is connected horizontally to a spring (k=500N/m). The mass is set into simple harmonic motion (moving horizontally) with amplitude of 10cm. What is the period of oscillation? What is the frequency of oscillation – give answers in both Hertz and radians/second. (1 Hz = 1 cycle per second.)? What is the total mechanical energy? What is the maximum velocity of the mass? What is the maximum acceleration of the mass?
I have everything but the ME figured. T = 9.87sec f = 0.10Hz / 0.638 rad/sec vmax = 0.628 amax = 3.944
I am having trouble grasping the concept of total mechanical energy. I know that gravitational and rotational energy will not be needed here, but what about translational kinetic? or will the only energy i need to worry about be elastic energy? help and a formula for total mechanical energy would be great, thank you!
Fuzzy Math, a New Mathematical Theory That Can Save Energy Up to 40% and Its Used in Washing Machines?
My friend told me about this project for the math fair and I really find it interesting but the only thing is, I CANNOT FIND ANY INFO ON THE INTERNET! its my senior year (grade 12) and I want to get a good mark in math.
please tell me if you know anything about it, oh btw it they tried this theory on the washing machine and it worked but i seriously do not know how!
If you do not know anything about this, please suggest interesting math projects that require models.
I want to know how can we make the model and how can we present our work using mathematics and like there things because i dont really think that this project is gonna be easy 
thank you 
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Categories: Theory of Machines Energy, Fuzzy, Machines, Math, Mathematical, Save, Theory, Used, Washing
What Does Mechanical and Thermal Energy Have to Do With Global Warming?
I am doing a project about the conversion that take place in Global Warming. I need to figure how heat, mechanical energy, and thermal energy is converted.
How Is Motor’s Mechanical Energy Able to Perform Mechanical Work?
1. Mechanical energy is converted into electrical energy
2. A current is generated by a rotating loop in a magnetic field
3. Electrical energy is converted into a magnetic force
4. A shaft connectred to the rotating coil is attached to some external device
Please help! Thank you!
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How Is Motor’s Mechanical Energy Able to Perform Mechanical Work?
1. Mechanical energy is converted into electrical energy
2. A current is generated by a rotating loop in a magnetic field
3. Electrical energy is converted into a magnetic force
4. A shaft connectred to the rotating coil is attached to some external device
Please help! Thank you!