CBSE > Class 11 > Physics | CBSE Board | Homework Help

Newton's law of cooling states that the rate of heat loss of a body is directly proportional to the difference in the temperatures between the body and its surroundings provided the temperature difference is small and the nature of radiating surface remains same.

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If kinetic energy of a body increase by 300% by what will the linear momentum of a body increases.

Posted by Mayank Raj 7 years ago

CBSE > Class 11 > Physics

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calculate the angular momentum of neptune about the sun.given Mass of Neptune is 10power27kg distance from sun is 5*10power12 and period of revolution around Sun is 5*10power9sec

Posted by Mohamed Shafwaan 7 years ago

CBSE > Class 11 > Physics

1 answers

Nikhita V 7 years ago

Hey. You can firat find out moment of inertia of Neptune using MR^2 and then omega using theta/t. Finally you can find out angular momentum using IW

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Define elastomers and draw a curve between stress strain for elostomers

Posted by Sarvesh Kumar 7 years ago

CBSE > Class 11 > Physics

1 answers

Samya Parmar 7 years ago

Elastomers is the stretched object which regains its size and shape.

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What's the physical significance of moment of inertia.

Posted by Meghna Sharma 7 years ago

CBSE > Class 11 > Physics

4 answers

Aashir Arham ⚽?⚽ 7 years ago

Thanku se kaam nahi chalega.......

1Thank You

Meghna Sharma 7 years ago

Thankyou

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Aashir Arham ⚽?⚽ 7 years ago

Moment of inertia is a measure of how difficult it is to rotate a particular body about a given axis. significance: Greater the mass concentrated away from the axis, greater the moment of inertia.

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Mohamed Shafwaan 7 years ago

Greater the mass concentrated away from the axis, greater the moment of inertia

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What are the different modes of vibration of a closed organ pipe ? support your answer with appropriate figure and expression

Posted by Yeswanth Balaje 7 years ago

CBSE > Class 11 > Physics

0 answers

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What is the adiabatic relation between p,v and t

Posted by Neha Raghav 7 years ago

CBSE > Class 11 > Physics

1 answers

Samya Parmar 7 years ago

Adiabatic reaction is where heat is constant. The relationship between- By ideal gas equation v=Rnt/p

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Why do statinory waves do not transport energy

Posted by Himanshu Dhiman 7 years ago

CBSE > Class 11 > Physics

1 answers

Aman Singh 7 years ago

as they are standing waves means from two sides wave comes and due to very small energy diff statinary waves become a line wave

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E,m,Landdenoteenergy,mass,angularmomentumandgravitationalconstant respectively.DeterminethedimensionofEL2/m5G2

Posted by Samya Parmar 7 years ago

CBSE > Class 11 > Physics

1 answers

Samya Parmar 7 years ago

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ANSWER

State hookes law

Posted by Rajesh Singh 7 years ago

CBSE > Class 11 > Physics

2 answers

Aman Singh 7 years ago

there are two types of hookes law 1 for spring 2 for modullus of elasticity

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Samya Parmar 7 years ago

Stress is directly proportional to strain under elastic limit.

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What is the use of second law of newton ???

Posted by Priyanshu Bhardwaj 7 years ago

CBSE > Class 11 > Physics

1 answers

Aman Singh 7 years ago

it can be used to find out the force on a const mass caused due to accln. Rather nonconstant mass is also but it is in higher education .Eg truck se balu ja raha hai aur truck me chhed ho

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