Answer:
Electric is produce by water it is very helpful in our life
Answer:
The diffraction limit for human vision is 2.1 arcseconds.
Explanation:
The diffraction limit of two eyes with a diameter of 7 cm = 0.07 m is equal to:

Answer:
The North Atlantic Treaty or Washington Treaty
Explanation:
The North Atlantic Treaty or Washington Treaty is the treaty that constituted the North Atlantic Treaty Organization (NATO). It was signed in Washington on April 4, 1949.
There it is established that the purpose of NATO is to guarantee the freedom and security of its member countries through political and military means.
Answer:
The observer sees the space-probe 9.055m long.
Explanation:
Let
be the length of the space-probe when measured at rest, and
be its length as observed by an observer moving at velocity
, then

Now, we know that
and
, and putting these into
we get:


Thus, an observer moving at 0.95c observes the space-probe to be 9.055m long.
If you want to measure the time of an lab just you a stopwatch 2 is your answer