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CBSE Class 11-science Answered

What is the angular velocity of second arm of a watch?
Asked by shubhi shrivastava | 28 Jan, 2015, 08:34: PM
answered-by-expert Expert Answer
begin mathsize 14px style Second space arm space of space straight a space watch space covers space 2 straight pi space radians space in space 60 space seconds Angular space velocity comma straight omega space equals space fraction numerator 2 straight pi over denominator straight T end fraction equals fraction numerator 2 straight pi over denominator 60 space end fraction equals straight pi over 30 space radians divided by sec space end style
Answered by Jyothi Nair | 29 Jan, 2015, 08:39: AM

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CBSE 11-science - Physics
obtain the expression for time period of simple pendulum performing shm.
Asked by rustampathan | 25 Feb, 2024, 06:39: PM
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CBSE 11-science - Physics
explain how angular momentum can be expressed as the vector product of two vectors.how is it's direction determined discuss the cases of minimum and maximum angular momentum
Asked by gipaalsy | 08 Feb, 2024, 05:41: AM
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CBSE 11-science - Physics
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Asked by rkdubey133 | 19 Jan, 2024, 10:03: PM
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CBSE 11-science - Physics
rotational motion
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Asked by priyankaprajapti81 | 04 Nov, 2023, 10:47: PM
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CBSE 11-science - Physics
please answer
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Asked by gdeadshot85 | 14 Jan, 2023, 09:58: PM
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CBSE 11-science - Physics
three diSc each of mass m and radius r placed in contact with each otheer find moment of inertia
Asked by devanshchauhan325 | 23 Dec, 2022, 07:34: AM
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CBSE 11-science - Physics
Prove that Torque acting due to a Force F in the x-y plane is Tau z=xfy-yfx.
Asked by koushtubhroy | 20 Dec, 2022, 07:36: AM
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CBSE 11-science - Physics
one meter long string can bear maximum of 0.5 kg mass . a mass of 0.05 kg is tied to one end and rotated in a horizontal circle , calculate the maximum number of revolution so that string does not brakes
Asked by pushpakumari291279 | 20 Aug, 2022, 08:15: AM
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CBSE 11-science - Physics
A Uniform Disc of diameter R/2 is put over another uniform disc of radius R of same thickness and Density. The peripheries of the two discs touch each other. The Centre of Mass of the system from centre of the big disc is? (I asked this question before but the answer was wrong. They took the Radius as R/2 while it is the Diameter)
Asked by adipadmakarri | 26 Sep, 2021, 06:08: PM
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CBSE 11-science - Physics
A Uniform Disc of diameter R/2 is put over another uniform disc of radius R of same thickness and Density. The peripheries of the two discs touch each other. The Centre of Mass of the system from centre of the big disc is?
Asked by adipadmakarri | 25 Sep, 2021, 11:18: AM
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