Answer:
When the pressure surrounding a substance increases, the freezing point and other special points also go up. It is easier to keep things solid when they are under greater pressure. Generally, solids are more dense than liquids because their molecules are closer together.
Explanation:
We have that
From the question we are told
- A graduated cylinder with a least count of

- The initial water level, before inserting the irregular
- shaped solid.
- Is 30.0 ml. After inserting the solid,
- The water level is 34.5 ml.
Generally the equation for the new quantity. is mathematically given as
X=Initial level - Final Level
(initial and final error)
Therefore

Therefore
The Probable error is

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Answer:
c. the rotation and revolution of the moon are the same as the earth
Explanation:
that we only see one side of the moon because the moon rotates around the Earth at the exact same speed as it rotates around its own axis, so that the same side of the moon is constantly facing the surface of the earth.
Answer:0.3
Explanation:
Given
velocity of car=15 m/s
truck brought to halt in a distance of 38 m
We know

Final velocity (v)=0


(deceleration)
Therefore minimum coefficient of friction \mu will be

