Question1a diver 60 m deep in 10 celcius fresh water, Ask an Expert

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Question1

A diver 60 m deep in 10 Celcius fresh water exhales a 0.5-cm-diameter bubble.

What is bubble's diameter just as it reaches the surface of a lake, where the water temperature is 20^Celcius? Assume that the air bubble is always in thermal equilibrium with the surrounding water.

Question2

A crate is sliding down a ramp that is inclined at an angle of 38 degrees above horizontal. The coefficient of kinetic friction between the crate and the ramp surface is .6. Find out the acceleration of the moving crate.

Question3

A block slides across a surface under the influence of a string attached to one end. When student adds a 1.96 n weight to the top of block, the friction force between block and surface?

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Category:- Physics
Reference No.:- M9719897

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