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

But i think there is no such particle because one can only resist the force of gravity only when same amount of force is applied on the body in opposite direction

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Jitendra Nayak 8 years, 4 months ago

Any particle thrown upwards with a constant velocity

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If mass of an object is m and increase by double what's change in its orbital velocity

Posted by Rahul Sehrawat 8 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Nitish Salone 8 years, 4 months ago

Same as early, because it doesn't depend of mass of body.

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Dimensions and si unit

Posted by Mehak Mehak 8 years, 4 months ago

CBSE > Class 11 > Physics

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Difference between geostationary and ordinary satellite

Posted by Dhruv Prajapati 8 years, 4 months ago

CBSE > Class 11 > Physics

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Lachhan Dev Sah 4 years, 7 months ago

differance between geostationary and ordinary satellite

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Bernouillis principles

Posted by Subham Vishwakarma 8 years, 4 months ago

CBSE > Class 11 > Physics

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Rajiv Sharma 8 years, 4 months ago

The sum of pressure energy, potential energy and kinetic energy remain constant

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What is the stress

Posted by Manish Kumar Manish Kymar 8 years, 4 months ago

CBSE > Class 11 > Physics

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Rajiv Sharma 8 years, 4 months ago

Force upon area

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The wavelength of maximum intensity of radiation emitted by a star is289.2nm. The radiation of star is

Posted by H Nikhil 8 years, 4 months ago

CBSE > Class 11 > Physics

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1 mg wt is equal to how much newton

Posted by Shubham Tripathi 8 years, 4 months ago

CBSE > Class 11 > Physics

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What is Interia

Posted by Dhivakar R 8 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Rajeev Malhotra 8 years, 4 months ago

Inertia of a body is that property of a body due to which it opposes a change in its state of rest or uniform motion in a straight line.Mass of a body is the measure of its inertia. Grater the mass, greater is the inertia.

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What is the position of centre of mass of a rectangular lamina?

Posted by Gauri Pol 8 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Jane Watson 8 years, 4 months ago

A/2,b/2

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Hollow shaft is stronger than solid shaft of equal of same material. Explain mathematically.

Posted by Nikita Dhariwal 8 years, 4 months ago

CBSE > Class 11 > Physics

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How g varies with depth

Posted by Jay Kumar Yadav 8 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Manjeet Singh 8 years, 4 months ago

g value increase

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The benches of a gallery in a cricket stadium are 1m high and 1m wide. A batsman strikes the ball at a level one meter above the ground and hits a mammoth sixer. The ball starts at 35m/s at an angle 53° with the horizontal. The benches are perpendicular to the plane of motion and the first bench is 110m from the batsman. On which bench will the ball hit?

Posted by Jeet Kumar 8 years, 4 months ago

CBSE > Class 11 > Physics

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What is horizontal projectiles?

Posted by Shekhar Suman 8 years, 4 months ago

CBSE > Class 11 > Physics

2 answers

Manjeet Singh 8 years, 4 months ago

Projectiles motion in horizontal direction

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Ranbir Trikha 8 years, 4 months ago

A horizontally thrown ball and a bullet fired from a rifle held horizontally are the examples of projectiles in the horizontal direction. For this type of projection there is an initial velocity u only in the horizontal or x-direction. But there is no initial velocity in the vertical or y-direction. However, there is acceleration in the downward direction due to gravity. Since there is no acceleration or force in the x-direction after it is projected, the projectile moves in this direction with a constant speed (u). As the object moves horizontally, it also falls in the downward direction due to gravity. In the downward direction, the motion is the same as that of a dropped object.

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If r is radius of the earth then find the amount of work done required to move a body of mass 2m from an orbit of radius 2r to 3r.

Posted by Harpreet Kaur 8 years, 4 months ago

CBSE > Class 11 > Physics

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How can the knowledge of elasticity be used to estimate the maximum height of the mountain on the earth

Posted by Savita Walia 8 years, 4 months ago

CBSE > Class 11 > Physics

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What is absolute temperature?

Posted by V Sundresh 8 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Mannu Mangali 8 years, 4 months ago

Temperature measured in Kelvin is called absolute temperature.⬛?

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A Motor car is moving 30km indirection of east and 40 km direction of east north find total displacement of the motor car

Posted by Shifa Khan 8 years, 4 months ago

CBSE > Class 11 > Physics

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Is the motion of a seesaw clockwise? Give some other examples.

Posted by Mannu Mangali 8 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

A Z 8 years, 4 months ago

Yes,the motion of a seesaw is clockwise. Some other examples of clockwise motion are:clock movement, wheel rotation, screwing nail on an object and so on.

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Two lead sphere are kept at a distance of 30cm.the mass of each sphere is100kg.mutual force of gravitational attraction between them is equal to the weight of mass a mass of 0.75mg.determine the gravitational constant.

Posted by Chandan Kumar Soni 8 years, 4 months ago

CBSE > Class 11 > Physics