Physics-
General
Easy
Question
A uniform bar of mass m and length L is translating on a smooth horizontal plane with velocity V0 when a particle of same mass m travelling with same velocity V0 as shown strikes normally and becomes embedded in the bar, then angular velocity of the system after collision
- None
The correct answer is:
Related Questions to study
physics-
A uniform cylinder free to turn around a fixed axis has a string wrapped around it as shown to the right. The string is pulled with a force F equal to the cylinders weight. What is the acceleration of the string?
A uniform cylinder free to turn around a fixed axis has a string wrapped around it as shown to the right. The string is pulled with a force F equal to the cylinders weight. What is the acceleration of the string?
physics-General
physics-
Two identical disks are positioned on a vertical axis. The bottom disk is 0 wrotating at angular velocity and has rotational kinetic energy KE0 . The top disk is initially at rest. It is allowed to fall, and sticks to the bottom disk. What is the rotational kinetic energy of the system after the collision?
. 
Two identical disks are positioned on a vertical axis. The bottom disk is 0 wrotating at angular velocity and has rotational kinetic energy KE0 . The top disk is initially at rest. It is allowed to fall, and sticks to the bottom disk. What is the rotational kinetic energy of the system after the collision?
.
physics-General
physics-
A thin plate of mass M, length L, and width 2d is mounted vertically on a frictionless axle along the z-axis, as shown. Initially the object is at rest. It is then tapped , which produces an angular impulse Ht with a hammer to provide a torque of the wdt about the z-axis of magnitude 
What is the angular speed plate about the z-axis after the tap?
A thin plate of mass M, length L, and width 2d is mounted vertically on a frictionless axle along the z-axis, as shown. Initially the object is at rest. It is then tapped , which produces an angular impulse Ht with a hammer to provide a torque of the wdt about the z-axis of magnitude What is the angular speed plate about the z-axis after the tap?
physics-General
physics-
A uniform solid cylinder of mass m can rotate freely about its fixed axis, which is kept horizontal. A particle of mass mo hangs from the end of a light string which is tightly wound round the cylinder. When system is allowed to move, acceleration with which the particle descends
A uniform solid cylinder of mass m can rotate freely about its fixed axis, which is kept horizontal. A particle of mass mo hangs from the end of a light string which is tightly wound round the cylinder. When system is allowed to move, acceleration with which the particle descends
physics-General
physics-
Three equal masses m are rigidly connected to each other by massless rods of length l forming an equilateral triangle, as shown above. The assembly is to be about an axis perpendicular to the triangle. For fixed given an angular velocity , the ratio of the kinetic energy of the assembly for an axis through B compared with that for an axis through A is equal to
Three equal masses m are rigidly connected to each other by massless rods of length l forming an equilateral triangle, as shown above. The assembly is to be about an axis perpendicular to the triangle. For fixed given an angular velocity , the ratio of the kinetic energy of the assembly for an axis through B compared with that for an axis through A is equal to
physics-General
physics-
A hollow conducting sphere of inner radius R and outer radius 2R has resistivity distance 'r' from the centre of the sphere: 
. The inner and outer surfaces are painted with a V is applied between the two surfaces. Then, as perfectly conducting 'paint' and a potential difference 'r' increases from R to 2R, the electric field inside the sphere
A hollow conducting sphere of inner radius R and outer radius 2R has resistivity distance 'r' from the centre of the sphere: . The inner and outer surfaces are painted with a V is applied between the two surfaces. Then, as perfectly conducting 'paint' and a potential difference 'r' increases from R to 2R, the electric field inside the sphere
physics-General
physics-
An ideal gas of Molar mass M is contained in a vertical tube of height H, closed at both ends. The tube is accelerating vertically upwards with acceleration g. Then, the ratio of pressure at the bottom and the mid point of the tube will be
An ideal gas of Molar mass M is contained in a vertical tube of height H, closed at both ends. The tube is accelerating vertically upwards with acceleration g. Then, the ratio of pressure at the bottom and the mid point of the tube will be
physics-General
physics-
The expansion of an ideal gas of mass m at a constant pressure P is given by the straight line B. Then the expansion of the same ideal gas of mass 2 m at a pressure 2P is given by the straight line
The expansion of an ideal gas of mass m at a constant pressure P is given by the straight line B. Then the expansion of the same ideal gas of mass 2 m at a pressure 2P is given by the straight line
physics-General
physics-
One mole of a gas expands obeying the relation as shown in the P/V diagram. The maximum temperature in this process is equal to
One mole of a gas expands obeying the relation as shown in the P/V diagram. The maximum temperature in this process is equal to
physics-General
physics-
The process AB is shown in the diagram. As the gas is taken from A to B, its temperature
The process AB is shown in the diagram. As the gas is taken from A to B, its temperature
physics-General
physics-
An ideal gas follows a process PT = constant. The correct graph between pressure & volume is
An ideal gas follows a process PT = constant. The correct graph between pressure & volume is
physics-General
physics-
An ideal gas undergoes a thermodynamics cycle as shown in figure. Which of the following graphs represents the same cycle?
An ideal gas undergoes a thermodynamics cycle as shown in figure. Which of the following graphs represents the same cycle?
physics-General
physics-
An ideal gas mixture filled inside a balloon expands according to the relation PV2/3 = constant. The temperature inside the balloon is
An ideal gas mixture filled inside a balloon expands according to the relation PV2/3 = constant. The temperature inside the balloon is
physics-General
physics-
PV curve for the process whose VT curve is
PV curve for the process whose VT curve is
physics-General
physics-
A long plank P of the mass 5 kg is placed on a smooth floor. On P is placed a block Q of mass 2 kg. The coefficient of friction between P and Q is 0.5. If a horizontal force 15N is applied to Q, as shown, and you may take g as 10N/kg.
A long plank P of the mass 5 kg is placed on a smooth floor. On P is placed a block Q of mass 2 kg. The coefficient of friction between P and Q is 0.5. If a horizontal force 15N is applied to Q, as shown, and you may take g as 10N/kg.
physics-General
