Answer:
Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.
Explanation:
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Answer:
Electric is produce by water it is very helpful in our life
Answer:

Explanation:
wavelength 
d = 0.190 mm = 0.190 × 10⁻³ m
D = 1.91 m
By using the formula:


The first maximum will appear at an angle
from the beam axis
Explanation:
The centripetal force
on the car must equal the frictional force f in order to avoid slipping off the road. Let's apply Newton's 2nd law to the y- and x-axes.


or

Solving for
,

they are considered near threatened