In a coal power plant, coal is burned to heat steam, which spins a turbine. what energy conversion is happening in a coal power plant?
a.chemical energy to heat energy to kinetic energy to electrical energy
b.heat energy to chemical energy to electrical energy to kinetic energy
c.electrical energy to chemical energy to kinetic energy to heat energy
d.nuclear energy to chemical energy to heat energy to electrical energy
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Ответ:
Ответ:
Given - m = 71 kg
a = 6.4 m/s^2
Solution -
F = ma
F = 71 x 6.4
F = 454.4 N
.:. The force is 454.4 N