Physics-
General
Easy
Question
The string shown in the figure is passing over small smooth pulley rigidly attached to trolley A. If speed of trolley is constant and equal to VA. Speed and magnitude of acceleration of block B at the instant shown in figure is
- vB = vA, aB = 0
- aB = 0
The correct answer is:
Related Questions to study
Physics-
Figure shows two blocks, each of mass m. The system is released from rest at the position, shown in fig. If initial acceleration of blocks A and B are a1 and a2 respectively and during the motion velocities of A and B are 
and 
respectively, then :
Figure shows two blocks, each of mass m. The system is released from rest at the position, shown in fig. If initial acceleration of blocks A and B are a1 and a2 respectively and during the motion velocities of A and B are and respectively, then :
Physics-General
Chemistry-
Beryllium shows diagonal relationship with :
Beryllium shows diagonal relationship with :
Chemistry-General
Chemistry-
When a mixture of solid NaCl, solid K2Cr2O7 is heated with conc. H2SO4, orange red vapours are obtained of the compound
When a mixture of solid NaCl, solid K2Cr2O7 is heated with conc. H2SO4, orange red vapours are obtained of the compound
Chemistry-General
Chemistry-
Molecular formula of Glauber's salt is
Molecular formula of Glauber's salt is
Chemistry-General
Chemistry-
Amongst sodium halides NaF has the highest m.p. because it has
Amongst sodium halides NaF has the highest m.p. because it has
Chemistry-General
Chemistry-
Which of the following is obtained by oxidation of phosphorous by HNO3?
Which of the following is obtained by oxidation of phosphorous by HNO3?
Chemistry-General
Physics-
From the top of a tower, a stone is thrown up. It reaches the ground in 5 sec. A second stone is thrown down with the same speed and reaches the ground in 1sec. A third stone is released from rest and reaches the ground in
From the top of a tower, a stone is thrown up. It reaches the ground in 5 sec. A second stone is thrown down with the same speed and reaches the ground in 1sec. A third stone is released from rest and reaches the ground in
Physics-General
Physics-
A boy B drags a wedge A by an in extensible string passing over the pulleys 1,2,3 & 4 as shown in the figure If all the pulleys are smooth and the boy walks with constant velocity of magnitude v, the magnitude of relative velocity between the boy and the wedge is equal to
A boy B drags a wedge A by an in extensible string passing over the pulleys 1,2,3 & 4 as shown in the figure If all the pulleys are smooth and the boy walks with constant velocity of magnitude v, the magnitude of relative velocity between the boy and the wedge is equal to
Physics-General
Physics-
A particle parallel to x-axis as shown in the figure such that at all instant the y axis component of its position vector is constant and is equal to ‘b’. The angular velocity of the particle about the origin is
A particle parallel to x-axis as shown in the figure such that at all instant the y axis component of its position vector is constant and is equal to ‘b’. The angular velocity of the particle about the origin is
Physics-General
Physics-
The locus of a projectile relative to another projectile is a
The locus of a projectile relative to another projectile is a
Physics-General
Physics-
In specific resistance measurement of a wire using a meter bridge, the key k in the main circuit is kept open when we are not taking readings. The reason is
In specific resistance measurement of a wire using a meter bridge, the key k in the main circuit is kept open when we are not taking readings. The reason is
Physics-General
Physics-
If length of pendulum is increased by 2%. The time period will
If length of pendulum is increased by 2%. The time period will
Physics-General
Physics-
is the dimensional formula of
is the dimensional formula of
Physics-General
Physics-
A cube has side 1.2 ´ 10-2 m. Its volume will be recorded as
A cube has side 1.2 ´ 10-2 m. Its volume will be recorded as
Physics-General
Chemistry-
The iron manufactured by pudding process is called as
The iron manufactured by pudding process is called as
Chemistry-General
