2.24 A block o.1 m square, with 5 kg mass, slides down a smooth incline, 30° below the horizontal, on a film of SAE 30 oil at 20°C that is 0.20 mm thick. If the block is released from rest at t = 0, determine its initial acceleration. Derive an expression for the speed of the block as a function of time. Plot the curve for V(t). Find the speed after o.1 s. If we want the mass to instead reach a speed of 0.3 m/s at this time, find the viscosity u of the oil we would have to use.

2.24 A block o.1 m square, with 5 kg mass, slides down a smooth incline, 30° below the horizontal, on a film of SAE 30 oil at 20°C that is 0.20 mm thick. If the block is released from rest at t = 0, determine its initial acceleration. Derive an expression for the speed of the block as a function of time. Plot the curve for V(t). Find the speed after o.1 s. If we want the mass to instead reach a speed of 0.3 m/s at this time, find the viscosity u of the oil we would have to use.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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2.24 A block 0.1 m square, with 5 kg mass, slides down a smooth incline, 30° below the horizontal, on a
film of SAE 30 oil at 20°C that is 0.20 mm thick. If the block is released from rest at t = 0, determine its
initial acceleration. Derive an expression for the speed of the block as a function of time. Plot the curve for
V(t). Find the speed after o.1 s. If we want the mass to instead reach a speed of 0.3 m/s at this time, find
the viscosity u of the oil we would have to use.

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