Answer:
Explanation:
A scientific law is the statement which is based on the repeated experimental trials and observations. The scientific law is abide by the scientific community and major research are based on this. The content or information of scientific law cannot be changed.
Answer:
The area under a velocity-time graph is the displacement. Velocity can be negative if an object is moving backwards. The displacement can also be negative. An area beneath the x-axis has a negative value.
Vertical line from the centre of mass is inside the base of the tower.
Answer:
a
b
Explanation:
From the question we are told that
The pressure of the water in the pipe is
The speed of the water is
The original area of the pipe is
The new area of the pipe is
Generally the continuity equation is mathematically represented as
Here is the new velocity
So
=>
=>
=>
=>
Generally given that the height of the original pipe and the narrower pipe are the same , then we will b making use of the Bernoulli's equation for constant height to calculate the pressure
This is mathematically represented as
Here is the density of water with value
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=>