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CBSE Class 11-science Answered

How to find the center of mas
Asked by commandodriller | 09 Sep, 2008, 10:06: PM
answered-by-expert Expert Answer

The centre of mass of a uniform solid hemisphere of radius r lies on the axis of symmetry at a distance of 3r/8 from the base

A solid cone has its centre of mass 1/4 of the way along the line from the centre of the base to the vertex

Answered by | 10 Sep, 2008, 07:21: AM

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CBSE 11-science - Physics
Respected Ma'am/Sir please clarify my doubt.
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Asked by pranavsrinivas82 | 08 Jan, 2024, 11:30: PM
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CBSE 11-science - Physics
a block of mass m is pulled along a horizontal smooth surface by a rope of mass m force p applied at one end of rope force which the rope exert on block is
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Asked by rame123shshiv | 14 Nov, 2023, 06:18: AM
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CBSE 11-science - Physics
second law of motion
Asked by kfcispuppy | 30 Sep, 2023, 10:06: AM
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CBSE 11-science - Physics
Two blocks of mass m=5kg and M=10 kg are connected by a string passing over a pulley B as shown. Another string connects the centre of the pulley B to the floor and passes over another pulley A as shown. An upward force F is applied at the centre of pulley A. Both the pulleys are massless. Find the acceleration of both the blocks if 1) F=100N.  2)F=500N
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Asked by sakethrockzz007 | 14 Aug, 2023, 04:30: PM
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CBSE 11-science - Physics
A block of mass m is placed on a wedge as shown. Find difference between maximum and minimum (a(max) – a(min) ) horizontal rightward acceleration of wedge for which block remains at rest with respect to wedge. (A) 10g/9 (B) g/9 (C) g (D) None of these
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Asked by sahuaryanbro1.0 | 01 Jan, 2023, 10:17: PM
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CBSE 11-science - Physics
A force 50 N acts on a body for 10 sec.what will be the change in momentum
Asked by subhankarnanda123 | 20 Dec, 2022, 08:36: PM
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CBSE 11-science - Physics
answer
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Asked by divyanshkr13 | 16 Jun, 2022, 10:25: AM
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CBSE 11-science - Physics
find the velocity in rms
Asked by kashyspalbert91 | 11 Mar, 2022, 04:11: PM
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CBSE 11-science - Physics
In the arrangement shown in the figure, a heavy pulley of mass M is suspended from a spring of stiffness constant K and the mass m is suspended from a string tightly wound on the pulley. If the mass m is given a small downward displacement and released, find the time period of small oscillations (Take pulley as Disc) and string does not slips on the pulley.
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Asked by alkrishna4652 | 24 Feb, 2022, 01:46: PM
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CBSE 11-science - Physics
what is 2 law of motin
Asked by shreyamishra270304 | 04 Aug, 2021, 08:32: AM
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