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Ask ICSE Class 11 Science Physics question free ×

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ICSE Class 11 Science Physics Free Doubts and Solutions

A satellite is revolving around the earth in a circular orbit of radius 8000 km. With what speed the satellite be projected in the orbital? what will be its period of revolution (G =  9.8ms^-2 M), (radius of earth 6400 km).

Asked by namratasingh1383 13th October 2023, 3:43 PM

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The number of protons and neutrons in the universe is of the order 10 raise to the power 82 and that the sun is in the order of 10 raise to power 57 if we assume that the sun and the stars are of the same mass and find the order of stars in the universe

Asked by chanchalagarwal2005 8th June 2021, 11:37 AM

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A man weighing 70 kg carries a 30 kg box to the top of a building 20 m high . Calculate the work done by the man .

Asked by Chaudharidc009 3rd January 2021, 8:29 PM

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Show that path of charged particle in electric field is parabolic while in magnetic field is circular

Asked by Sachinsingh76600 5th September 2019, 8:14 AM

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Draw a free body diagram of a ladder inclined to a wall.Obtain the condition for the ladder to be in equilibrium. How can you show that Newton's third law of motion follows from the second law?

Asked by vijaygireesh 31st August 2019, 8:01 PM

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A dynamometer is attached to two blocks of masses 6 kg and 4 kg . Forces of 20N and 10N are applied on the blocks. Find the dynamometer reading in the steady state .

Asked by siddharthjaiswal1122 30th August 2019, 10:17 PM

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Body slides down from rest from the top of a 6.4 m long rough inclined plane at 30° with horizontal find the time taken by the block in reaching the bottom given coefficient of kind attic fiction ass .2 and acceleration due to gravity is 9.8

Asked by deepamajulal 24th August 2019, 5:21 PM

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A block of mass 1.5kg placed on a rough horizontal surface is pulled by a constant horizontal force of 1.2 KGF the the coefficient of friction between the block and the surface is 0.3 find the acceleration produced in terms of g?

Asked by akhilagopakumar0002 15th August 2019, 8:58 PM

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If a cylinder of diameter 1.0 cm at 30°C is to be solid into a hole of diameter 0.9997 cm in a steel plate at the same temperature, then minimum required rise in the temperature of the plate is : (Coefficient of linear expansion of steel =

Asked by kesavasanjeev 12th August 2019, 12:40 PM