Physics-
General
Easy
Question
If vectors 
are coplanar, the value of y is:
- 81
- 36
- 23
- 9
The correct answer is: 23
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I started walking down a road to day-break facing the sun After walking for some time, I turned to my left, then I turned to the right once again In which direction was I going then?
I started walking down a road to day-break facing the sun After walking for some time, I turned to my left, then I turned to the right once again In which direction was I going then?
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Out of the following the resultant of which cannot be 4 newton?
Out of the following the resultant of which cannot be 4 newton?
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If 
and the magnitude of 
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For the fig as shown:
For the fig as shown:
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Forces 3N, 4N and 12N act at a point along x, y and z axis respectively The magnitude of the i resultant force is :
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If the density of a small planet is the same as that of earth, while the radius of the planet is 0.2times that of the earth, the gravitational acceleration on the surface of that planet is
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Let g be the acceleration due to gravity at earth’s surface and K be the rotational kinetic energy of the earth. Suppose the earth’s radius decreases by 2% keeping all other quantities same, then-
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Periodic time of a satellite revolving above Earth’s surface at a height equal to R, radius of Earth, is [g is acceleration due to gravity at Earth’s surface]
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The value of ‘g’ at a particular point is 9.8 m/s2 Suppose K the earth suddenly shrinks uniformly to half its present size without losing any mass The value of ‘g’ at the same point from the centre of earth does not shrink) will now be :
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Which of the following relation is wrong?
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A 0.5kg ball is suspended to a string of length 1m and is rotated in a vertical plane by holding one end of the string. If it makes 30 rpm then the maximum tension in the string is .... 
A 0.5kg ball is suspended to a string of length 1m and is rotated in a vertical plane by holding one end of the string. If it makes 30 rpm then the maximum tension in the string is ....
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A stone tied to a string is swung in a vertical circle The physical quantity that remains constant is ....
A stone tied to a string is swung in a vertical circle The physical quantity that remains constant is ....
physics-General
