Physics-
General
Easy
Question
A body of mass 1kg is rotating in a vertical circle of radius 1m. What will be the difference in its kinetic energy at the top and bottom of the circle? (Take 
)
- 10 J
- 20 J
- 30 J
- 50 J
The correct answer is: 20 J
Difference in 
J
Related Questions to study
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A particle of mass 
moves with constant speed along a circular path of radius 
under the action of force 
. Its speed is
A particle of mass moves with constant speed along a circular path of radius under the action of force . Its speed is
physics-General
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A particle is moving in a straight line with initial velocity of 200 ms-1 acceleration of the particle is given by 
. Find velocity of the particle at 10 second.
A particle is moving in a straight line with initial velocity of 200 ms-1 acceleration of the particle is given by . Find velocity of the particle at 10 second.
physicsGeneral
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A particle is moving in a circle of radius R with constant speed. It coveres an angle 
in some time interval. Find displacement in this interval of time.
A particle is moving in a circle of radius R with constant speed. It coveres an angle in some time interval. Find displacement in this interval of time.
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The shape of AB3 E molecule (B = bond pair, E = lonepair)
The shape of AB3 E molecule (B = bond pair, E = lonepair)
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Which of the following is planar ?
Which of the following is planar ?
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The bond between chlorine and bromine in BrCl is
The bond between chlorine and bromine in BrCl is
chemistry-General
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For which of the following molecule significant m¹0
A) 
B) 
C) 
D) 
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A)
B)
C)
D)
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Which bond angle q., would result in the maximum dipole moment for the triatomic molecule XY2 shown below
Which bond angle q., would result in the maximum dipole moment for the triatomic molecule XY2 shown below
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A particle moves in straight line. Its position is given by x=2+5t-3t2. Find the ratio of initial velocity and initial acceleration.
A particle moves in straight line. Its position is given by x=2+5t-3t2. Find the ratio of initial velocity and initial acceleration.
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As shown in the figure a particle is released from P. It reachet at Q point at time t1 and reaches at point R at time t2 so 
= ……
As shown in the figure a particle is released from P. It reachet at Q point at time t1 and reaches at point R at time t2 so = ……
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particles A and B are released from the same height at an interval of 2 S. After some time t the distance between A and B is 100m. Caleulate time t.
particles A and B are released from the same height at an interval of 2 S. After some time t the distance between A and B is 100m. Caleulate time t.
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Given graph shows relation between position (X)→ time (t) Find the correct graph of velocity→ time
Given graph shows relation between position (X)→ time (t) Find the correct graph of velocity→ time
physicsGeneral
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Here are displacement → time graphs of particle A and B .if VA and VB are velocities of the particles respectively, then 
=……
Here are displacement → time graphs of particle A and B .if VA and VB are velocities of the particles respectively, then =……
physicsGeneral
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Given graph shows relation between position and time. Find correct graph of acceleration → time
Given graph shows relation between position and time. Find correct graph of acceleration → time
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chemistry-
Of the following species, the one having planar structure is
Of the following species, the one having planar structure is
chemistry-General
