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Kamalesh Palanisamy
Subject: Physics
, asked on 20/10/15
why is angular displacement a vector quantity?
Answer
1
Ujjwal Sharma .
Subject: Physics
, asked on 19/10/15
With the reference from
iit section part 1
'practise question no. 31
' of Chapter '
system of particles and rotational motion
' why the distance of block is taken as 2sand the velocity as 2v .
Answer
1
Simran
Subject: Physics
, asked on 16/10/15
A cylinder is rolling down an inclined plane having a rough surface and of inclination θ without slipping. Show that the coefficient of static friction is
μ= 1/3 tanθ
Answer
1
Vishnu Namboodiri
Subject: Physics
, asked on 7/10/15
How do I solve this?
Answer
1
Aman Gaur
Subject: Physics
, asked on 2/10/15
what is radius of curvature at any instant .Derive its formula..................
Answer
1
Ujjwal Sharma .
Subject: Physics
, asked on 28/9/15
What is the difference between centre of mass and centre of gravity?
Answer
1
Pranjal Gupta
Subject: Physics
, asked on 17/9/15
What is the velocity of an object in a circular motion ?
Answer
1
Vinit Jani
Subject: Physics
, asked on 15/9/15
Four masses have been arranged at the corners of rectangle,namely 1m , 2m , 3m , 2m.Locate the centre of mass of the system.
Answer
1
Aman Gaur
Subject: Physics
, asked on 10/9/15
TWO DISC OF SAME THICKNESS BUT OF DIFF. RADII ARE MADE OF TWO DIFF. MATERIAL SUCH THAT THEIR MASSES REMAINS SAME . THE DENSITY OF THE MATERIALS ARE IN RATIO 1:3 . THE MOMENT OF INERTIA OF THESE DISCS ABOUT THE RESPECTIVE AXIS PASSING THROUGH THEIR CENTRES AND PERPENDICULAR TO THEIR PLANES WILL BE IN THE RATIO ---------
ANSWER 3:1
Answer
1
Shashank Ravi Shankar
Subject: Physics
, asked on 8/9/15
Linear mass density of a rod PQ of length l and mass m is varying with the distance x (from P ) , as d = m/2l (l + ax).
(i) Determine the value of a (ii) also determine the distance of c.m. from the end P
Answer
1
Srishti Mishra
Subject: Physics
, asked on 2/9/15
In the previous questio.n " Consider .........center of mass " . explain the changes when particles are replaced by unit charge
Also explain the change if the above setup is placed in magnetic field inclined at an angle A to the axis of the line on which the charges are placed.
Answer
1
Srishti Mishra
Subject: Physics
, asked on 2/9/15
Consider a two particle system of mass m1 and m2. Let the particles be placed at a distance l1 and l2from the centerof mass. If the first particle is moved towards the centerof mass keeping the center of mass fixed find the location of the second particle.Is it necesssaryto take the points with respect to the center of mass.
Answer
1
Srishti Mishra
Subject: Physics
, asked on 2/9/15
Derive the expression of center of mass of a uniform circular ring , spherical shell
Answer
1
Sarun
Subject: Physics
, asked on 19/8/15
Two children weighing 500N and 350N are on a uniform board weighing 40Nsupported at its center. If the 500Nchild is 1.5m from the centre, determine (a) the upward force exterted on the board by the support and (b) where the 350Nchild must sit to balance the system.
Answer
1
Sarun
Subject: Physics
, asked on 19/8/15
A 3mlong ladder weighing 20kg leans on a frictionless wall. Its feet rest on the floor 1m from the wall. Find the reaction forces of the wall and the floor. The answer given in the text isn't clear. Pls explain why the text says 2root2F2=1/2W.
Pls explain this without sending us a link.
Answer
1
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What are you looking for?
why is angular displacement a vector quantity?
μ= 1/3 tanθ
ANSWER 3:1
(i) Determine the value of a (ii) also determine the distance of c.m. from the end P
Also explain the change if the above setup is placed in magnetic field inclined at an angle A to the axis of the line on which the charges are placed.
Pls explain this without sending us a link.