You can see your image in a shiny, flat surface because the light waves are bouncing off the surface back at you. This is an exa
2 answers:
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Answer:
The maximum amount of meat that the butcher can sell is
Explanation:
The maximum amount can be found by taking the difference of mixed numbers.
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Answer:
f = 1 m
Explanation:
The magnification of the lens is given by the formula:
where,
M = Magnification = 4
q = image distance = 5 m
p = object distance = ?
Therefore,
Now using thin lens formula:
<u>f = 1 m</u>
Answer:
1020 km
Explanation:
A complete rotation of the wheel equals a distance of 1 circumference.
The circumference is
where <em>d</em> is the diameter of the wheel.
300,000 rotations =
In kilometers, this is = 1017876/1000 km = 1020 km