A weight of 10 N resting on an inclined plane at 30° to the horizontal is connected by a string passing over a frictionless pulley at the upper end of the inclined plane. The free end of the string is connected to a weight of 20 N which hangs in air. If the coefficient of friction of the inclined surface is 0.2, calculate the time taken by the hanging weight to decend by 1 m. (1) ON H=0.2 (2) 30° 20N Given diagram Fig s=1m

A weight of 10 N resting on an inclined plane at 30° to the horizontal is connected by a string passing over a frictionless pulley at the upper end of the inclined plane. The free end of the string is connected to a weight of 20 N which hangs in air. If the coefficient of friction of the inclined surface is 0.2, calculate the time taken by the hanging weight to decend by 1 m. (1) ON H=0.2 (2) 30° 20N Given diagram Fig s=1m

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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Question

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A weight of 10 N resting on an inclined plane at
30° to the horizontal is connected by a string passing over a
frictionless pulley at the upper end of the inclined plane. The free end
of the string is connected to a weight of 20 N which hangs in air. If
the coefficient of friction of the inclined surface is 0.2, calculate the
time taken by the hanging weight to decend by 1 m.
(1)
VON
u=0.2
(2)
30°
20N
Given diagram
Fig
s=1m

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