Question #6415848Single Choice

Algebra-2

Question

Hydropower: The power output ( P ) (in megawatts) of a hydroelectric dam varies directly as the cube of the water flow rate ( Q ) (in cubic meters per second). If a dam generates 50 MW with a flow rate of 30 m³/s, what is the power output at a flow rate of 45 m³/s?

Options

A
    172.25 MW  
B
    184.75 MW  
C
    197.25 MW  
D
    168.75 MW  

Answer & Analysis