This is your perfect answer
It is flexible. Water flow can be adjusted and even conserved according to the need for power. It is safe! Compared with the use of fossil fuels and nuclear energy, hydropower is a much safer system..
Answer:
In fact, the mass m and the force constant k are the only factors that affect the period and frequency of simple harmonic motion.
Straight line, hope this helps
Answer: 191 N
Explanation:
Given that,
Velocity v = 80 km/hr
Area 
Air density 
Constant cd = 0.28
We know the drag force,




Hence, the drag force is 191 N.