Can someone help me with these?
I can't find the answers for them!!!
what devices could you use to make these energy transformations?
1. gravitational energy to mechanical energy to electrical energy
2. mechanical energy to sound energy
3. thermal to mechanical energy
4. chemical energy to mechanical energy
Please help!
Thanks
Please don't make it like bombs and stuff.
thanks!
2007-02-06 16:21:26 · 4 answers · asked by Anonymous in Education & Reference ➔ Homework Help
1. man-made dam with internal turbines
2. drums
3. popcorn maker
4. battery
2007-02-06 16:41:36 · answer #1 · answered by Diana Y 2 · 1⤊ 0⤋
1 - a free pulley connected to a dynamo, with one end of the pulley connected to a mass that is dragged down by gravity!
2 - a moving piece of heavy iron on a road
3 - heat engines like petrol engine
4 - your body moving as a result of a chemical process in your cells that release energy
2007-02-07 00:36:10 · answer #2 · answered by ZXSpectrumDX!! 2 · 1⤊ 0⤋
1.Hydro electric generator (falling water turns a turbine which turns a generator)
2.A siren
3. heat engine, steam engine, or steam turbine
4. dynamite (sorry, it;s like a bomb, but it's the only one i could think of)
2007-02-07 00:29:56 · answer #3 · answered by PH 5 · 1⤊ 0⤋
2.a radio ?
2007-02-07 00:26:59 · answer #4 · answered by kathryn 1 · 1⤊ 0⤋