The wavelengths of radio waves are much "Longer" than the wavelength of microwaves therefore, radio waves carry much "Lower" <span>energy than a microwave.
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Answer:
1000 Joules per second.
Explanation:
To lift that much grass 5 meters higher than it was before the tractor did work that is the product of the (force needed to overdo gravity) and (displacement):

Power is work over the amount of time:

endorphins - chemicals ur brain releases
endurance - ability to last a long time training
cardiovascular- using ur heart lungs blood vessels
using oxygen - aerobic
using muscle - muscular
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