B
Figure shows three concentric thin spherical shells A , B , and C with initial charges on A, B, and C as 3Q, 2Q, and -Q, respectively . The shells Aand C are connected by a wire such that it does not touch B. shell B is earthed. Determine the final charges Qa, Qb, and Qc .
01
Sep
Figure shows three concentric thin spherical shells A , B , and C with initial charges on A, B, and C as 3Q, 2Q, and -Q, respectively . The shells Aand C are connected by a wire such that it does not touch B. shell B is earthed. Determine the final charges Qa, Qb, and [...]
A, B, C, D, P and Q are points in a uniform electric field. The potentials of these points are V(A) =2 volt. V(P) = V(B) = V(D) = 5 volt. V(C) = 8 volt. The electric field at p is ?
31
Aug
A, B, C, D, P and Q are points in a uniform electric field. The potentials of these points are V(A) =2 volt. V(P) = V(B) = V(D) = 5 volt. V(C) = 8 volt. The electric field at p is ? A) B C D P and Q are points in a uniform electric [...]
A physical quantity X=A²B³/C√D, If the percentage errors of measurement in A,B,C and D are 4%,2%,3%and 1% respectively then calculate percentage error in X.
31
Aug
A physical quantity X=A²B³/C√D, If the percentage errors of measurement in A,B,C and D are 4%,2%,3%and 1% respectively then calculate percentage error in X. 2 3%and 1% respectively then calculate percentage error in X. A physical quantity X=A²B³/C√D B C and D are 4% If the percentage errors of measurement in A August 31, 2020 [...]
Three large conducting sheets placed parallel to each other at a finite distance contain charges Q,−2Q, and 3Q, respectively. Find the electric fields at points A, B, C, and D.
31
Aug
Three large conducting sheets placed parallel to each other at a finite distance contain charges Q,−2Q, and 3Q, respectively. Find the electric fields at points A, B, C, and D. −2Q and 3Q and D. B C respectively. Find the electric fields at points A Three large conducting sheets placed parallel to each other at [...]
Two blocks of masses 5 kg and 2 kg are initially at rest on the floor. They are connected by a light string. Passing over a light frictionless pulley. An upwards force F is applied on the pulley and maintained at a constant value. Calculate the acceleration a(1) and a(2) of the 5kg and 2kg masses, respectively, when F is (take g = 10m/s^2 (a) 30N, (b) 60N , (c) 140N
29
Aug
Two blocks of masses 5 kg and 2 kg are initially at rest on the floor. They are connected by a light string. Passing over a light frictionless pulley. An upwards force F is applied on the pulley and maintained at a constant value. Calculate the acceleration a(1) and a(2) of the 5kg and 2kg [...]
Tags:
and C ,
and there is no friction at the point of suspension. ,
B ,
determine the accelration of all the loads immedialtely after the lower thread keeping the system in equilibrium has been cut. Assume that the threads are weightless ,
Four blocks and two springs are arranged as shown in fig. The system at rest ,
the mass of the pulley is negligible small ,
The system shown in Fig.6.215 is in equilibrium. Find the acceleration of the blocks A ,
The system shown in Fig.6.215 is in equilibrium. Find the acceleration of the blocks A, B, and C, all of equal masses m at the instant when (assume spring to be ideal). a. The spring between ceiling and A is cut b. The string (inextensible) between A and B is cut. c. The spring between B and C is cut. Also find the tension in the string when the system is at rest and in the above three cases.
29
Aug
The system shown in Fig.6.215 is in equilibrium. Find the acceleration of the blocks A, B, and C, all of equal masses m at the instant when (assume spring to be ideal). a. The spring between ceiling and A is cut b. The string (inextensible) between A and B is cut. c. The spring between [...]
Tags:
and C ,
and there is no friction at the point of suspension. ,
B ,
determine the accelration of all the loads immedialtely after the lower thread keeping the system in equilibrium has been cut. Assume that the threads are weightless ,
Four blocks and two springs are arranged as shown in fig. The system at rest ,
the mass of the pulley is negligible small ,
The system shown in Fig.6.215 is in equilibrium. Find the acceleration of the blocks A ,
Two blocks of masses 1 kg and 2 kg are placed in contact on a smooth horizontal surface as shown in fig. A horizontal force of 6N is applied d(a) on a 1-kg block. Find the force of interaction of the blocks.
29
Aug
Two blocks of masses 1 kg and 2 kg are placed in contact on a smooth horizontal surface as shown in fig. A horizontal force of 6N is applied d(a) on a 1-kg block. Find the force of interaction of the blocks. and between C and ground. and block C; (2) normal reactions between A [...]
Tags:
and between C and ground. ,
and block C; (2) normal reactions between A and B ,
and C of masses m 1 ,
and m 3 ,
are resting one on top of the other as shown in Fig.6.24. A horizontal force F is applied on block B. Assuming all the surfaces are frictionless ,
B ,
b and c`. ,
block B ,
calculate (1) acceleration of block A ,
each of mass 45kg ,
m 2 ,
respectively ,
Three blocks A ,
Three boys ,
Two blocks of masses m 1 and m 2 are placed side by side on a smooth horizontal surface as shown in Fig.6.31. A horizontal force F is applied on the block. a. Find the acceleration of each block. b. Find the normal reaction between the two blocks.
29
Aug
Two blocks of masses m 1 and m 2 are placed side by side on a smooth horizontal surface as shown in Fig.6.31. A horizontal force F is applied on the block. a. Find the acceleration of each block. b. Find the normal reaction between the two blocks. and between C and ground. and block [...]
Tags:
and between C and ground. ,
and block C; (2) normal reactions between A and B ,
and C of masses m 1 ,
and m 3 ,
are resting one on top of the other as shown in Fig.6.24. A horizontal force F is applied on block B. Assuming all the surfaces are frictionless ,
B ,
b and c`. ,
block B ,
calculate (1) acceleration of block A ,
each of mass 45kg ,
m 2 ,
respectively ,
Three blocks A ,
Three boys ,
A block of mass m is pulled along a horizontal surface by applying a force at an angle θ with the horizontal. If the block travels with a uniform velocity and has a displacement d and the coefficient of friction is μ, then the work done by the applied force is:
29
Aug
A block of mass m is pulled along a horizontal surface by applying a force at an angle θ with the horizontal. If the block travels with a uniform velocity and has a displacement d and the coefficient of friction is μ, then the work done by the applied force is: and between C and [...]
Tags:
and between C and ground. ,
and block C; (2) normal reactions between A and B ,
and C of masses m 1 ,
and m 3 ,
are resting one on top of the other as shown in Fig.6.24. A horizontal force F is applied on block B. Assuming all the surfaces are frictionless ,
B ,
b and c`. ,
block B ,
calculate (1) acceleration of block A ,
each of mass 45kg ,
m 2 ,
respectively ,
Three blocks A ,
Three boys ,
Three boys, each of mass 45kg, pull simultaneously a block on a smooth surface. The mass of block is 20.0kg. a. Find the acceleration of the block. b.Find the acceleration of the boy exerting force F 1 . Assume no friction between the boy and the surface. [Given F 1 =90N,F 2 =114N and F 3 =128root 2 N]
29
Aug
Three boys, each of mass 45kg, pull simultaneously a block on a smooth surface. The mass of block is 20.0kg. a. Find the acceleration of the block. b.Find the acceleration of the boy exerting force F 1 . Assume no friction between the boy and the surface. [Given F 1 =90N,F 2 =114N and [...]
Tags:
and between C and ground. ,
and block C; (2) normal reactions between A and B ,
and C of masses m 1 ,
and m 3 ,
are resting one on top of the other as shown in Fig.6.24. A horizontal force F is applied on block B. Assuming all the surfaces are frictionless ,
B ,
b and c`. ,
block B ,
calculate (1) acceleration of block A ,
each of mass 45kg ,
m 2 ,
respectively ,
Three blocks A ,
Three boys ,