Answer: It may be unreliable.
Explanation:
Harnessing wind a s a source of energy is very efficient and renewable. It does not produce any waste and is environment friendly energy resource because it is naturally occurring.
But it is unreliable. The wind is the motion of air from high pressure region to low pressure region. Thus, we cannot start or stop wind turbines to spin. It depends on the wind and its speed.
Answer:
3 mps
Explanation:
So we want to convert this into a unit rate. So we take 30/10=3. So 3 meters per second.
A force may cause an object to turn about a pivot. The turning effect of a force is called the moment of the force. Moments act about a pivot in a clockwise or anticlockwise direction.
