<span>Earth sciences are the sciences that study the earth and space through natural observations, structure, and morphology. This science investigates the behavior of the earth in relation to space and determines its elements and characteristics and is part of the planetary studies and the planets of the solar system.</span>
Answer:
Explanation:
Given
Trolley of mass M is free to roll without friction
coefficient of friction between trolley and mass m is 
Force F is applied on mass m
Acceleration of the system is

friction Force will balance weight of block
friction force





Answer:
The pressure inside the bubble is 666.67 
Solution:
As per the question:
Radius, R = 
Now,
Given that the surface tension of the wall is the same as that of soapy water.
The air trapped inside the bubble exerts pressure on the soap bubble which is given by:
Gauge Pressure, P = 
Also, the surface tension of the soapy water, 
To calculate the pressure inside the alveolus:


Answer:hi
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