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To study the conservation of energy of a ball rolling down on an inclined plane

Posted by Ranringpeimi Rainam 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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What is Poisson s ratio

Posted by ☺️☺️ ☺️☺️ 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Roshan Kumar 3 years, 9 months ago

Poisson's ratio is the ratio of lateral strain to the longitudinal strain. It has no units.

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Dimensions for angle

Posted by ☺️☺️ ☺️☺️ 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Roshan Kumar 3 years, 9 months ago

Dimension less quantity

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What is linear velocity profile?

Posted by Snekha Sundaran 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Roshan Kumar 3 years, 9 months ago

It turns out (we will prove this at a later date) that the velocity profile, u(y) is linear, i.e. u(y) = Vy/h. ... In a simple 2-D shear flow such as this, the shear stress is directly proportional to the slope of the velocity profile. In fact, the constant of proportionality is the coefficient of viscosity itself!

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If y=sinX, then dy/dx

Posted by Riya Roy 3 years, 9 months ago

CBSE > Class 11 > Physics

3 answers

Sudeep Singh 3 years, 9 months ago

Dy/Dx = CosX

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D S 3 years, 9 months ago

Cos x

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Gaurav Agarwal 3 years, 9 months ago

dy/dx = CosX

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Difference between stress and strain?

Posted by Snekha Sundaran 3 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Anjan Karthi 3 years, 9 months ago

Stress is the restoring force coming from within an elastic object acting per unit area of the object. Whereas, strain is the change in the physical arrangement or the configuration in an elastic object when it is subjected to external force.

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Vaghela Rahul 3 years, 9 months ago

The stress strain graphs for material A and B are shown

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In a figure particle moves along a circular path of radius r . It starts from point A and moves anticlockwise. Find the distance traveled by the particle as it moves from A to B

Posted by Uma Shree 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Gaurav Agarwal 3 years, 9 months ago

S = O R ; O is in radian

3Thank You

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Innovalus takdum oscillation a police officers fires A bullet of mass 50 gram with speed 200 metre per second on soft plywood of thickness to CM the bulletin images with only 10% of its initial kinetic energy what is the emergent kinetic energy of the bullet from the plywood

Posted by Rohit Kumar 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Why terminal velocity is directly proportional to viscosity in relation F=6πvñr. Explain.

Posted by Harmanpreet Kaur 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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Prove that jcap.icap=j.j=k.k=1

Posted by Amulya Dubey 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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What is Tension and spring force

Posted by Tanisha Upadhayay 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Snekha Sundaran 3 years, 9 months ago

The tension force is the force that is transmitted through a string, rope, cable or wire when it is pulled tight by forces acting from opposite ends. ... The spring force is the force exerted by a compressed or stretched spring upon any object that is attached to it.

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Dimensions of coeffcient of viscosity are:

Posted by Md Zeeshan 3 years, 9 months ago

CBSE > Class 11 > Physics

3 answers

Deepak Kumar Meena 3 years, 5 months ago

ML 1 T 1

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Deepak Rathore 3 years, 9 months ago

Ml-1t-1

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Anjan Karthi 3 years, 9 months ago

F = 6πηrv. Therefore, coefficient of viscosity η = [MLT^-2] / [L] [LT^-1] = [ML^-1T^-1]. //

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100/tan40°

Posted by Apoorva N 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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MOI of Earth

Posted by Sundaram Katare 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Md Zeeshan 3 years, 9 months ago

If we think of the earth as a solid sphere rotating about its center, the moment of inertia is given by: I=25MR2

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An object is projected some velocity at 45°angle from horizontal surface of the earth if maximum height is 10√2 meter than find out 1. Velocity of projectile 2. Range 3. Time of flight

Posted by Abhishek Gupta 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Gaurav Agarwal 3 years, 9 months ago

U = 20√(√2) metre per second R= 40√2 metre T=2√{2√(2)} seconds

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A jet on an aircraft carrier at 30m/ s. It stop in 2.0 s. What is the displacement of the plane when it stop?

Posted by Aditi Kumari 3 years, 9 months ago

CBSE > Class 11 > Physics

4 answers

Sachin Raghav 3 years, 9 months ago

V=displacement×Time, therefore displacement=V × t = 30×2= 60m

1Thank You

Sundaram Katare 3 years, 9 months ago

Displacement = 30 m By using , S = - u^2/2a

2Thank You

Sundaram Katare 3 years, 9 months ago

Displacement= 30 m

2Thank You

Anjan Karthi 3 years, 9 months ago

V = Disp/t. Therefore, Disp = V × t = 30 × 2 = 60m.

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Two bodies of masses 1g and 4g are moving with equal kinetic energy. The ratio of the magnitudes of their moments is

Posted by Tanishk Chaudhary 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Anjan Karthi 3 years, 9 months ago

K = P^2/2m. Therefore, P^2 ~ m. Therefore, m1/m2 = P1^2/P2^2. P1/P2 = √1g/4g = 1:2.//

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A car is moving with a speed of 72km/h. Driver of a car applies break & bring it to the rest in 1second. Assuming that the retardation to be uniform, find the retardation & calculate the distance before it comes to rest.

Posted by Paru ? 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Sundaram Katare 3 years, 9 months ago

a= -20 m/s^2 S= 10 m

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Two trains A and B are moving with a speed 100km/h in opposite direction. What is the relative velocity of the train A with respect to train B?

Posted by Paru ? 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Gaurav Agarwal 3 years, 9 months ago

200km/hr

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Find tension in the string and normal reaction excted the floor in equaillibrium

Posted by Hacker Baba 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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Explain check wheather the two vector zero or not ?

Posted by Sindhuswari Mishra 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is projectile?Deduce expression for time of flight and vertical range.

Posted by Ashish Maru 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Snekha Sundaran 3 years, 9 months ago

An object which is moving under the effect of gravity is called gravity. The motion under the effect of gravity only is called projectile motion.

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Determination of percentages of water of crystallization in barium chloride

Posted by Sujal Kumar 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Anjan Karthi 3 years, 9 months ago

Formula of barium sulphate is BaCl2. 2H2O. Therefore, percentage composition of water = [ Mass of water in the compound / Molar mass of compound ] × 100 = 3600/137 = 26.27 %.

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Ques- According to second law of Newton, force is the cause and the outcome is: a) time b) velocity c) momentum d) acceleration

Posted by Nasra Javed 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Anjan Karthi 3 years, 9 months ago

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Find an expression for maxi. Speed of circular motion of a car in a circular horizontal track of radius R the coefficient of a static friction between the car tyres and road along the surfaces is Ms

Posted by Ingila Jahan 3 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Anjan Karthi 3 years, 9 months ago

V = √Ms R g.

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Devansh Pandey 3 years, 9 months ago

V = √u rg

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Find the angle between the vector A= 4î+6j^-3k^ and vector B=-2î-5j^+7k^

Posted by Ganga Maya Rai 3 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Snekha Sundaran 3 years, 9 months ago

148.795°

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Sambit Kumar 3 years, 9 months ago

Lol?

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Find the angle between the vectors Vector A=4i^+6j^-3k^ Vector B=2i^-5j^+7k^

Posted by Arisha Fatma 3 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Snekha Sundaran 3 years, 9 months ago

148.795°

0Thank You

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A body is initially at rest. It understand one-dimensional motion with constant acceleration .the power delivered to it at time t is proportional to

Posted by Shubham Yadav 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

When a wire is stretched by a sudden force it's elongation is 'x', if the second wire is same material has 4 times the length and double the radius of first wire and is stretched by same force as before .Find the elongation

Posted by Vikesh Vikesh 3 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

The scalar quantity is

Posted by Alkama Parveen 3 years, 9 months ago

CBSE > Class 11 > Physics

4 answers

Vikas Kushwah 3 years, 9 months ago

It quantity have only magnitude but not direction

0Thank You

Naman Patel 3 years, 9 months ago

Quantity that have magnitude only and without direction

0Thank You

Mannu Dahiya 3 years, 9 months ago

It is the quantity which have magnitude but no direction

3Thank You

Anjan Karthi 3 years, 9 months ago

Any physical quantity which can be measured only in terms of MAGNITUDE and direction does not affect it's measurements. Eg :- Length, Mass, Time, Temperature, etc.

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