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Mkey [24]
3 years ago
8

Images are uploaded, please help

Physics
1 answer:
Alisiya [41]3 years ago
5 0

Answer:

im sorry for doing this but i need points

Explanation:

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When you measure the boiling point of mercury, you are investigating a ___. a.chemical change b.chemical property c.physical cha
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D. physical property

the bonds between molecules of mercury are breaking so it's physical and it's not changing the chemical composition of the substance
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3 years ago
What sport was invented to keep athleates warm in the winter
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Basketball

Explanation:

Basketball was invented to keep athletes warm in the winter.

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Another (slightly more technical) name for kidney stones is "renal calculus".

I know this because we have met many times, and we are old friends.


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Suppose that on earth you can throw a ball vertically upward a distance of 1.20 m. Given that the acceleration of gravity on the
tatuchka [14]

Answer:

7.04 m

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity = 0

s = Displacement on Earth = 1.2 m

a = Acceleration due to gravity on Moon = 1.67 m/s²

a = Acceleration due to gravity Earth= 9.81 m/s²

Accelration going up is considered as negetive

Initial Velocity of the ball

v^2-u^2=2as\\\Rightarrow -u^2=2as-v^2\\\Rightarrow -u^2=2\times -9.81\times 1.2-0^2\\\Rightarrow u=\sqrt{2\times 9.81\times 1.2}\\\Rightarrow u=4.85\ m/s

Assuming that the ball is thrown with the same velocity on the Moon, displacement of the ball is

v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{0^2-4.85^2}{2\times -1.67}\\\Rightarrow s=7.04\ m

The displacement of the ball on the moon is 7.04 m

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4 years ago
Processing Questions:
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Answer:

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