146129 If the coefficient of friction between the rubber tires and the road way is 0.25 . Find the maximum speed with which a car can be driven round a curve of radius \(20 \mathrm{~m}\) without skidding. Given, \(g=9.8 \mathrm{~m} . \mathrm{s}^{-2}\) :

146132 A cylinder rolls down on inclined plane of inclination \(30^{\circ}\), the acceleration of the cylinder is

146133 If time taken by a block to descend along a rough surface inclined at an angle \(45^{\circ}\) with horizontal is double that taken along a similar smooth surface, then coefficient of dynamic friction associated with the rough surface will be

146134 A block of mass \(2 \mathrm{~kg}\) rests on a rough inclined plane making an angle of \(30^{\circ}\) with the horizontal. The coefficient of static friction between the block and the plane is 0.7 . The frictional force on the block is
(Assume \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\) )

146135 A metallic block of mass \(20 \mathrm{~kg}\) is dragged with a uniform velocity of \(0.5 \mathrm{~ms}^{-1}\) on a horizontal table for \(2.1 \mathrm{~s}\). The coefficient of static friction between the block and the table is 0.10 . What will be the maximum possible rise in temperature of the metal block, if the specific heat of the block is 0.1 CGS unit? Assume \(\mathrm{g}=\) \(10 \mathrm{~ms}^{-2}\) and uniform rise in temperature throughout the whole block. [Ignore absorption of heat by the table]

146129 If the coefficient of friction between the rubber tires and the road way is 0.25 . Find the maximum speed with which a car can be driven round a curve of radius \(20 \mathrm{~m}\) without skidding. Given, \(g=9.8 \mathrm{~m} . \mathrm{s}^{-2}\) :

146132 A cylinder rolls down on inclined plane of inclination \(30^{\circ}\), the acceleration of the cylinder is

146133 If time taken by a block to descend along a rough surface inclined at an angle \(45^{\circ}\) with horizontal is double that taken along a similar smooth surface, then coefficient of dynamic friction associated with the rough surface will be

146134 A block of mass \(2 \mathrm{~kg}\) rests on a rough inclined plane making an angle of \(30^{\circ}\) with the horizontal. The coefficient of static friction between the block and the plane is 0.7 . The frictional force on the block is
(Assume \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\) )

146135 A metallic block of mass \(20 \mathrm{~kg}\) is dragged with a uniform velocity of \(0.5 \mathrm{~ms}^{-1}\) on a horizontal table for \(2.1 \mathrm{~s}\). The coefficient of static friction between the block and the table is 0.10 . What will be the maximum possible rise in temperature of the metal block, if the specific heat of the block is 0.1 CGS unit? Assume \(\mathrm{g}=\) \(10 \mathrm{~ms}^{-2}\) and uniform rise in temperature throughout the whole block. [Ignore absorption of heat by the table]

146129 If the coefficient of friction between the rubber tires and the road way is 0.25 . Find the maximum speed with which a car can be driven round a curve of radius \(20 \mathrm{~m}\) without skidding. Given, \(g=9.8 \mathrm{~m} . \mathrm{s}^{-2}\) :

146132 A cylinder rolls down on inclined plane of inclination \(30^{\circ}\), the acceleration of the cylinder is

146133 If time taken by a block to descend along a rough surface inclined at an angle \(45^{\circ}\) with horizontal is double that taken along a similar smooth surface, then coefficient of dynamic friction associated with the rough surface will be

146134 A block of mass \(2 \mathrm{~kg}\) rests on a rough inclined plane making an angle of \(30^{\circ}\) with the horizontal. The coefficient of static friction between the block and the plane is 0.7 . The frictional force on the block is
(Assume \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\) )

146135 A metallic block of mass \(20 \mathrm{~kg}\) is dragged with a uniform velocity of \(0.5 \mathrm{~ms}^{-1}\) on a horizontal table for \(2.1 \mathrm{~s}\). The coefficient of static friction between the block and the table is 0.10 . What will be the maximum possible rise in temperature of the metal block, if the specific heat of the block is 0.1 CGS unit? Assume \(\mathrm{g}=\) \(10 \mathrm{~ms}^{-2}\) and uniform rise in temperature throughout the whole block. [Ignore absorption of heat by the table]

146129 If the coefficient of friction between the rubber tires and the road way is 0.25 . Find the maximum speed with which a car can be driven round a curve of radius \(20 \mathrm{~m}\) without skidding. Given, \(g=9.8 \mathrm{~m} . \mathrm{s}^{-2}\) :

146132 A cylinder rolls down on inclined plane of inclination \(30^{\circ}\), the acceleration of the cylinder is

146133 If time taken by a block to descend along a rough surface inclined at an angle \(45^{\circ}\) with horizontal is double that taken along a similar smooth surface, then coefficient of dynamic friction associated with the rough surface will be

146134 A block of mass \(2 \mathrm{~kg}\) rests on a rough inclined plane making an angle of \(30^{\circ}\) with the horizontal. The coefficient of static friction between the block and the plane is 0.7 . The frictional force on the block is
(Assume \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\) )

146135 A metallic block of mass \(20 \mathrm{~kg}\) is dragged with a uniform velocity of \(0.5 \mathrm{~ms}^{-1}\) on a horizontal table for \(2.1 \mathrm{~s}\). The coefficient of static friction between the block and the table is 0.10 . What will be the maximum possible rise in temperature of the metal block, if the specific heat of the block is 0.1 CGS unit? Assume \(\mathrm{g}=\) \(10 \mathrm{~ms}^{-2}\) and uniform rise in temperature throughout the whole block. [Ignore absorption of heat by the table]

146129 If the coefficient of friction between the rubber tires and the road way is 0.25 . Find the maximum speed with which a car can be driven round a curve of radius \(20 \mathrm{~m}\) without skidding. Given, \(g=9.8 \mathrm{~m} . \mathrm{s}^{-2}\) :

146132 A cylinder rolls down on inclined plane of inclination \(30^{\circ}\), the acceleration of the cylinder is

146133 If time taken by a block to descend along a rough surface inclined at an angle \(45^{\circ}\) with horizontal is double that taken along a similar smooth surface, then coefficient of dynamic friction associated with the rough surface will be

146134 A block of mass \(2 \mathrm{~kg}\) rests on a rough inclined plane making an angle of \(30^{\circ}\) with the horizontal. The coefficient of static friction between the block and the plane is 0.7 . The frictional force on the block is
(Assume \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\) )

146135 A metallic block of mass \(20 \mathrm{~kg}\) is dragged with a uniform velocity of \(0.5 \mathrm{~ms}^{-1}\) on a horizontal table for \(2.1 \mathrm{~s}\). The coefficient of static friction between the block and the table is 0.10 . What will be the maximum possible rise in temperature of the metal block, if the specific heat of the block is 0.1 CGS unit? Assume \(\mathrm{g}=\) \(10 \mathrm{~ms}^{-2}\) and uniform rise in temperature throughout the whole block. [Ignore absorption of heat by the table]