Physics-
General
Easy
Question
A particle P is moving on a circle under the action of only one force acting always towards fixed point O on the circumference . The ratio of and
-
- 4 tan
- tan
- 2 tan
The correct answer is: 2 tan
centripetal force = Fcosq = mw2r
Þ tangential force = Fsinq
Ratio
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A particle of mass m is projected at an angle of 60° with a velocity of 20 m/s relative to the ground from a plank of same mass m which is placed on smooth surface Initially plank was at rest The minimum length of the plank for which the ball will fall on the plank itself is
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Statement‐I:: The values of a for which the point lies inside the triangle formed by the lines x=0, x+y=2, and 3y=x is (0,1) .
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Statement‐II:: The parabola meets the line at (1, 1) .
maths-General
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Hence finally the length is
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Maths-General
Hence finally the length is
Maths-
Let A and B be two points on a parabola with vertex V such that VA is perpendicular to VB and θ is the angle between the chord VA and the axis of the parabola The value of is
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maths-General
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Consider, where p is a real number, and
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Statement‐II :: If line is a diameter ofcircle , then line is not a chord ofcircle C.
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Statement‐II :: If line is a diameter ofcircle , then line is not a chord ofcircle C.
Maths-General
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The equation of the circle passing through the points (1, 0) and (0,1) and having the smallest radius is:
Therefore the correct option is Choice 3
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Maths-General
Therefore the correct option is Choice 3
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If a circle passes through the point (a, b) and cuts the circle orthogonally, then the equation of the locus of its centre is‐
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Maths-General
Hence locus of the given condition is optionD