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CBSE Class 11-science Answered

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Asked by Harshhacker2580 | 30 Apr, 2020, 06:03: PM

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E n e r g y space s t o r e d space i n space t h e space s t r i n g space equals K over 2 x squared I n i t i a l space e x t e n s i o n space K x equals m g fraction numerator m g over denominator a end fraction x equals m g x equals a N o w space a d d i t i o n a l space 2 a space o f space e x t e n s i o n S o space e n e r g y space s t o r e d space i n space t h e space s t r e c h e d space s t r i n g K over 2 left parenthesis 3 a right parenthesis squared space fraction numerator m g over denominator 2 a end fraction left parenthesis 3 a right parenthesis squared fraction numerator 9 m g a over denominator 2 end fraction A s space p e r space w o r k space e n e r g y space t h e o r e m space a l l space t h i s space e n e r g y space c o n v e r t e d space i n t o space P E left parenthesis T a k i n g space t h e space l o w e s t space p o i n t space a s space t h e space p o i n t space o f space r e f r e n c e right parenthesis fraction numerator 9 m g a over denominator 2 end fraction equals m g h h equals 4.5 a

Answered by Utkarsh Lokhande | 30 Apr, 2020, 07:29: PM

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CBSE 11-science - Physics

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Asked by sheikhsaadat24 | 17 Apr, 2024, 09:41: PM

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CBSE 11-science - Physics

.A SHM is expressed by the equation x = A cos (Ït + Ï) and the phase angle Ï =0. Draw graphs to show variation of displacement, velocity and acceleration for one complete curve in SHM.

Asked by sy123946 | 07 Apr, 2024, 04:23: PM

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CBSE 11-science - Physics

the dimension of stopping potential vo in photoelectric effect in units of plank's constant 'h',speed of light 'c' and gravitational constant 'G' and ampereA

Asked by derhebha955 | 03 Apr, 2024, 09:03: AM

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CBSE 11-science - Physics

In this que while solving it we take D F of alpha =D.F of beta.Why is it so?

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Asked by sumedhasingh238 | 29 Mar, 2024, 05:15: PM

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CBSE 11-science - Physics

In physics if 2 quantities are dimensionless then their dimensional formula are equal?

Asked by sumedhasingh238 | 28 Mar, 2024, 11:10: PM

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CBSE 11-science - Physics

7. State the relation between maximum range and maximum height of the projectile if the angle of projection is 45 deg

Asked by roshnibudhrani88 | 23 Mar, 2024, 05:52: PM

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CBSE 11-science - Physics

The second overtone of a pipe closed at one end has the same frequency as the third overtone of a pipe open at both ends. Compare the length of the pipes

Asked by emad.amd | 21 Mar, 2024, 12:00: PM

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CBSE 11-science - Physics

two forces whose magnitude are in the 3:5 give a resultant f Jatio 3:5 give 20 N. If fac 20. It fue angle of thread indination of each face find Magnitude

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Asked by vinitdubey7735 | 14 Mar, 2024, 11:21: AM

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CBSE 11-science - Physics

Q17. The velocity time relation of an electron starting from rest is given by v = kt where k = 6m / (s ^ 2) Calculate the distance traversed in 2 sec. 122

Asked by om636694 | 04 Mar, 2024, 09:10: PM

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CBSE 11-science - Physics

pressure of a gas in a closed cylinder is expressed in the following manner p=pa+hpg identity the expression for absolute pressure and gauge pressure

Asked by rajuinwati12 | 04 Mar, 2024, 09:22: AM

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