The image shows devices that convert wind energy into electrical energy. What is one advantage of using this type of device in p
lace of buming fossil
fuels?
A. It emits more greenhouse gases.
B. It produces more hazardous waste.
C. It uses a renewable resource.
D. It causes harm to birds and bats.
fuels?
A. It emits more greenhouse gases.
B. It produces more hazardous waste.
C. It uses a renewable resource.
D. It causes harm to birds and bats.
1 answer:
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Answer:
C = 1.01
Explanation:
Given that,
Mass, m = 75 kg
The terminal velocity of the mass,
Area of cross section,
We need to find the drag coefficient. At terminal velocity, the weight is balanced by the drag on the object. So,
R = W
or
Where
is the density of air = 1.225 kg/m³
C is drag coefficient
So,
So, the drag coefficient is 1.01.