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The main purposes of this channel are to: 1. π Provide various Mathematics questions and exercises. 2. π Share and publish different educational books. 3. π Provide useful short notes and study materials. For more, contact us through: @Fikiru_Asnake
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If Birr 5000 is invested at a rate of 6% compounded quarterly ( 4 times a year), then how long does it take to double the investment?
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In situations involving non conservative external force, the work done by these forces:
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A force F = x + 1 N acts on a particle in x direction. What is the work done from x = 2m to 5 m?
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The area under the force (F) versus displacement (x) graph gives work.
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A force F = (5i β 3j +2k) N moves a particle from r1 = (2i + 7j + 4k) m to r2 = (5i + 2j + 8k) m. What is the work done by the force?
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A horizontal force of 5 N is required to maintain a velocity of 2 m/s for a block of 10 kg
mass sliding over a rough surface. Calculate the work done by this force in one minute.
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A constant force of 10 N causes a box to move at a constant speed of 2 m/s. How much work is done in 10 seconds?
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What is the sign of the work performed on an object in uniform circular motion?
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What is the sign of the work done by gravity on a man standing on a platform?
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If a force acts perpedicular to the direction of motion of a body, what is the amount of work done?
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when a body slides against a rough horizontal surface, the work done by friction is
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when a body slides against a rough horizontal surface, the work done by friction is
