Part 1
Figure shows position and velocities of two particles moving under mutual gravitational attraction in space at time t=0. The position of centre of mass after one second is
29
Oct
Figure shows position and velocities of two particles moving under mutual gravitational attraction in space at time t=0. The position of centre of mass after one second is Figure shows position and velocities of two particles moving under mutual gravitational attraction in space at time t=0. The position of centre of mass after one second [...]
Four particles of masses m, 2m, 3m and 4m are arranged at the corners of a parallelogram with each side equal to a and one of the angle between two adjacent sides as 60 degree. The parallelogram lies in the x-y plane with mass m at the origin and 4m on the x-axis. The centre of mass of the arrangement will be located at
29
Oct
Four particles of masses m, 2m, 3m and 4m are arranged at the corners of a parallelogram with each side equal to a and one of the angle between two adjacent sides as 60 degree. The parallelogram lies in the x-y plane with mass m at the origin and 4m on the x-axis. The centre [...]
Two particles of mass 1kg and 3kg have position vectors 2iˆ+3jˆ+4kˆand−2iˆ+3jˆ−4kˆ respectively. The centre of mass has a position vector.
29
Oct
Two particles of mass 1kg and 3kg have position vectors 2iˆ+3jˆ+4kˆand−2iˆ+3jˆ−4kˆ respectively. The centre of mass has a position vector. Two particles of mass 1kg and 3kg have position vectors 2iˆ+3jˆ+4kˆand−2iˆ+3jˆ−4kˆ respectively. The centre of mass has a position vector. October 29, 2020 Category: Chapter 9 - Rotation , MTG NEET Physics , Part 1 [...]
Particle of masses m, 2m, 3m,…,nm grams are placed on the same line at distance l, 2l, 3l,…..,nl cm from a fixed point. The distance of centre of mass of the particles from the fixed point in centimeters is :
29
Oct
Particle of masses m, 2m, 3m,…,nm grams are placed on the same line at distance l, 2l, 3l,…..,nl cm from a fixed point. The distance of centre of mass of the particles from the fixed point in centimeters is : ... ..... 2l 2m 3l 3m nl cm from a fixed point. The distance of [...]
The centre of mass of three bodies each of mass 1 kg located at the points (0, 0), (3, 0) and (0, 4) in the XY plane is
29
Oct
The centre of mass of three bodies each of mass 1 kg located at the points (0, 0), (3, 0) and (0, 4) in the XY plane is 0 ) 0) and (0 3% 4) in the XY plane is The centre of mass of three bodies each of mass 1 kg located at the [...]
If the system is released, then the acceleration of the centre of mass of the system is :
29
Oct
If the system is released, then the acceleration of the centre of mass of the system is : If the system is released then the acceleration of the centre of mass of the system is : October 29, 2020 Category: Chapter 9 - Rotation , MTG NEET Physics , Part 1 ,
Three particles of masses 1kg 2kg and 3kg are situated at the corners of an equilateral triangle of side b in the x-y plane with mass 1 kg at the origin and 2 kg on the x axis. The coordinates of the centre of mass are
29
Oct
Three particles of masses 1kg 2kg and 3kg are situated at the corners of an equilateral triangle of side b in the x-y plane with mass 1 kg at the origin and 2 kg on the x axis. The coordinates of the centre of mass are are placed at the corner of right angle triangle [...]
Three particles, each of mass m, are placed at the corner of right angle triangle as shown in the figure. if OA = a and OB = b, the position vector of the centre of mass is : (here i ^ and j ^ are unit vector along x and y axes, respectively )
29
Oct
Three particles, each of mass m, are placed at the corner of right angle triangle as shown in the figure. if OA = a and OB = b, the position vector of the centre of mass is : (here i ^ and j ^ are unit vector along x and y axes, respectively ) are [...]
A spherical ball A of mass 4 kg, moving along a straight line strikes another spherical ball B of mass 1 kg at rest. After the collision, A and B move with velocities v1ms^−1 and v2ms^−1 respectively making angles of 30^∘ and 60^∘ with respect to the original direction of motion of A. The ratio v1/v2 will be
29
Oct
A spherical ball A of mass 4 kg, moving along a straight line strikes another spherical ball B of mass 1 kg at rest. After the collision, A and B move with velocities v1ms^−1 and v2ms^−1 respectively making angles of 30^∘ and 60^∘ with respect to the original direction of motion of A. The ratio [...]
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A and B move with velocities v1ms^−1 and v2ms^−1 respectively making angles of 30^∘ and 60^∘ with respect to the original direction of motion of A. The ratio v1/v2 will be ,
A spherical ball A of mass 4 kg ,
moving along a straight line strikes another spherical ball B of mass 1 kg at rest. After the collision ,
A particle strikes a horizontal frictionless floor with a speed u, at an angle θ to the vertical, and rebounds with a speed v, at an angle ϕ to the vertical. The coefficient of restitution between the particle and the floor is e. The angle ϕ is equal to
29
Oct
A particle strikes a horizontal frictionless floor with a speed u, at an angle θ to the vertical, and rebounds with a speed v, at an angle ϕ to the vertical. The coefficient of restitution between the particle and the floor is e. The angle ϕ is equal to A particle strikes a horizontal frictionless [...]