(a)what amount of energy in kWh is consumed in 10h by a machine of power 500 W (b) an archer stretches the string of his bow to shoot an arrow. name: (1) the type of energy into which it is converted. (2) the energy transformation taking place when the arrow is shot.
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Answered by
1
Explanation:
A) power = 500 W = 0.5 kW
time = 10hours
power = energy consumed /time
energy consumed = power X time
= 0.5 kW X 10 h
=. 5 kWh
B) 1) Muscular energy to kinetic energy
2) same as 1st one
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Answered by
1
Answer:
Explanation:
a-->
Energy=power*time
=500*10
=5000
5KWH(1kwh=1000w)
B-->maybe kinetic energy
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