The naked eye is very limited. Unlike the telescope which can see far away.
The motivation behind why the vertical stature of the stairs is the main thing measured is that it uncovers to us how much gravity is up against the individual and their weight, so we require this data to decide how much vitality and power we have to get up the stairs.
Answer:

Explanation:
Distance can be found by multiplying the speed by the time.

The speed is 25 meters per second. The time is 30 seconds.

Substitute the values into the formula.

Multiply. Note the seconds, or "s" will cancel each other out.


The football player ran 750 meters.
Answer:
6.85C
Explanation:
the charge and the current are related by
Q= I×t
where Q = charge in columbs
v = 10.8
P = IV
I = P/V = 74/10.8
I =6.85 A
the battery will supply a charge of (6.85×1) C
6.85C
in 1 hour