Metal
Explanation:
semiconductors are materials which have a conductivity between conductors (generally metals)
A wind turbine turns wind energy into electricity using the aerodynamic force
Balancing.
When the same force is applied from both sides,the forces cancel out each other.
Answer:
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Normal force = 200(9.81) = 1962 N
Friction force = 1962 * .4 = 784.8
power = force * distance / time = 784.8 * 5 = 3924 Watts
Watts = Joules / sec
3924 x 180 = 706,320 Joules
