1 Write 7 next to the statements that are true.
1 answer:
Answer: The pressure in a liquid dec reaches with depth. F
The pressure in a liquid increases with depth.
The upthrust on an object is larger when it is deeper in a pool. 7
The bottom of a dam is thinner than the top of a dam. F
The bottom of a dam is thicker than the top of a dam.
The pressure is bigger at the bottom of a lake because of the weight of water above it. 7
I think these are the answers.
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Answer:
6m/s
Explanation:
v = sqrt of 2KE/m
Where:
KE = kinetic energy
m = mass of a body
v = velocity of a body
= sqrt of 2(72)/4
= sqrt of 144/4
= sqrt of 36
= 6m/s
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