D=s(t) so it would be d=10(.19) d=.19 FOR BITH SNDWERS
Sounds that have the same pitch and loudness can be differentiated by intensity and tone.
Answer:
55 miles / hour = 1.475232 kilometers / minute
Answer:
The magnetic stripes might reverse direction. The deep-ocean trench might become deeper.
Explanation:
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The agriculture land needed to grow the willow is 1500000 Hectares
<h3>What is Power?</h3>
Power can be defined as the rate at which work is done by an object. The S.I unit of power is Watt(W).
A coal burning power station burns 6 million tonnes of coal per kg. Coal has a average energy value of 29.25 MJ per year. Wood chip from willow trees has an energy value of 13 MJ per kg. A hectare of agricultural land can produce 9 tonnes of drt willow wood per year.
The coal consumption per year = 29.25 x 1000 x 6000000
=175500000000 MJ
If this power station burned dry willow wood instead of coal, agriculture land would be needed to grow the willow,
1 hectare of willow will produce 9 x 13x 1000 = 117000 MJ.
The agriculture land needed to grow the willow is
= 175500000000 MJ / 117000 MJ.
= 1500000 Hectares.
Thus, agriculture land needed is 1500000 Hectares.
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