The 1/2 value comes due to the integration of the Newton's law of motion .. like for doing work we do integrate fds vector. when we integrate it .we get it as 1/2mv^2 + constant
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Groups of cells make tissues.
Groups of tissues make organs.
Groups of organs make organisms.
Groups of organisms make communities.
The BOLD sentence above is your answer.
He has to travel straight down and maybe get smaller for less wind resistance .
Answer:
the needle must be 11.1 mm long to reach the bubble
Explanation:
Given that;
An air bubble appears to be 7.2 mm below the flat surface of a piece of amber
so Apparent depth = 7.2 mm
index of refraction = 1.54
we know that;
Refractive index = Real depth / Apparent depth
we substitute
1.54 = Real depth / 7.2 mm
Real depth = 1.54 × 7.2 mm
Real depth = 11.088 ≈ 11.1 mm
Therefore, the needle must be 11.1 mm long to reach the bubble