372188 A body is projected along a rough horizontal surface with a velocity \(6 \mathrm{~m} / \mathrm{s}\). If the body comes to rest after travelling a distance \(9 \mathrm{~m}\), the coefficient of sliding friction is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372189 A van is moving with a speed of \(72 \mathrm{~km} / \mathrm{h}\) on a level road. Where the coefficient of friction between its tyres and road is 0.5 . The minimum radius of curvature, that the road must have, for safe driving of van is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372190 Two bodies having the same mass \(2 \mathrm{~kg}\) each, have different surface areas \(50 \mathrm{~m}^{2}\) and \(100 \mathrm{~m}^{2}\) in contact with a horizontal plane. If the coefficient of friction is 0.2 , the forces of friction that come into play when they are in motion will be in the ratio:

372191 A ladder \(2.5 \mathrm{~m}\) long and \(150 \mathrm{~N}\) weight has its centre of gravity \(1 \mathrm{~m}\) from the bottom. A weight \(40 \mathrm{~N}\) is attached to the top end. The work required to raise the ladder from the horizontal position to the vertical position is:

372192 A body of mass \(10 \mathrm{~kg}\) lies on a rough horizontal surface. When a horizontal force of \(f\) newton acts on it, it gets an acceleration of \(5 \mathrm{~m} / \mathrm{s}^{2}\) and when the horizontal force is doubled, it gets an acceleration of \(18 \mathrm{~m} / \mathrm{s}^{2}\). Then the coefficient of friction between the body and the horizontal surface is: (assume \(g=10 \mathrm{~ms}^{-2}\) )

372188 A body is projected along a rough horizontal surface with a velocity \(6 \mathrm{~m} / \mathrm{s}\). If the body comes to rest after travelling a distance \(9 \mathrm{~m}\), the coefficient of sliding friction is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372189 A van is moving with a speed of \(72 \mathrm{~km} / \mathrm{h}\) on a level road. Where the coefficient of friction between its tyres and road is 0.5 . The minimum radius of curvature, that the road must have, for safe driving of van is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372190 Two bodies having the same mass \(2 \mathrm{~kg}\) each, have different surface areas \(50 \mathrm{~m}^{2}\) and \(100 \mathrm{~m}^{2}\) in contact with a horizontal plane. If the coefficient of friction is 0.2 , the forces of friction that come into play when they are in motion will be in the ratio:

372191 A ladder \(2.5 \mathrm{~m}\) long and \(150 \mathrm{~N}\) weight has its centre of gravity \(1 \mathrm{~m}\) from the bottom. A weight \(40 \mathrm{~N}\) is attached to the top end. The work required to raise the ladder from the horizontal position to the vertical position is:

372192 A body of mass \(10 \mathrm{~kg}\) lies on a rough horizontal surface. When a horizontal force of \(f\) newton acts on it, it gets an acceleration of \(5 \mathrm{~m} / \mathrm{s}^{2}\) and when the horizontal force is doubled, it gets an acceleration of \(18 \mathrm{~m} / \mathrm{s}^{2}\). Then the coefficient of friction between the body and the horizontal surface is: (assume \(g=10 \mathrm{~ms}^{-2}\) )

372188 A body is projected along a rough horizontal surface with a velocity \(6 \mathrm{~m} / \mathrm{s}\). If the body comes to rest after travelling a distance \(9 \mathrm{~m}\), the coefficient of sliding friction is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372189 A van is moving with a speed of \(72 \mathrm{~km} / \mathrm{h}\) on a level road. Where the coefficient of friction between its tyres and road is 0.5 . The minimum radius of curvature, that the road must have, for safe driving of van is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372190 Two bodies having the same mass \(2 \mathrm{~kg}\) each, have different surface areas \(50 \mathrm{~m}^{2}\) and \(100 \mathrm{~m}^{2}\) in contact with a horizontal plane. If the coefficient of friction is 0.2 , the forces of friction that come into play when they are in motion will be in the ratio:

372191 A ladder \(2.5 \mathrm{~m}\) long and \(150 \mathrm{~N}\) weight has its centre of gravity \(1 \mathrm{~m}\) from the bottom. A weight \(40 \mathrm{~N}\) is attached to the top end. The work required to raise the ladder from the horizontal position to the vertical position is:

372192 A body of mass \(10 \mathrm{~kg}\) lies on a rough horizontal surface. When a horizontal force of \(f\) newton acts on it, it gets an acceleration of \(5 \mathrm{~m} / \mathrm{s}^{2}\) and when the horizontal force is doubled, it gets an acceleration of \(18 \mathrm{~m} / \mathrm{s}^{2}\). Then the coefficient of friction between the body and the horizontal surface is: (assume \(g=10 \mathrm{~ms}^{-2}\) )

372188 A body is projected along a rough horizontal surface with a velocity \(6 \mathrm{~m} / \mathrm{s}\). If the body comes to rest after travelling a distance \(9 \mathrm{~m}\), the coefficient of sliding friction is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372189 A van is moving with a speed of \(72 \mathrm{~km} / \mathrm{h}\) on a level road. Where the coefficient of friction between its tyres and road is 0.5 . The minimum radius of curvature, that the road must have, for safe driving of van is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372190 Two bodies having the same mass \(2 \mathrm{~kg}\) each, have different surface areas \(50 \mathrm{~m}^{2}\) and \(100 \mathrm{~m}^{2}\) in contact with a horizontal plane. If the coefficient of friction is 0.2 , the forces of friction that come into play when they are in motion will be in the ratio:

372191 A ladder \(2.5 \mathrm{~m}\) long and \(150 \mathrm{~N}\) weight has its centre of gravity \(1 \mathrm{~m}\) from the bottom. A weight \(40 \mathrm{~N}\) is attached to the top end. The work required to raise the ladder from the horizontal position to the vertical position is:

372192 A body of mass \(10 \mathrm{~kg}\) lies on a rough horizontal surface. When a horizontal force of \(f\) newton acts on it, it gets an acceleration of \(5 \mathrm{~m} / \mathrm{s}^{2}\) and when the horizontal force is doubled, it gets an acceleration of \(18 \mathrm{~m} / \mathrm{s}^{2}\). Then the coefficient of friction between the body and the horizontal surface is: (assume \(g=10 \mathrm{~ms}^{-2}\) )

372188 A body is projected along a rough horizontal surface with a velocity \(6 \mathrm{~m} / \mathrm{s}\). If the body comes to rest after travelling a distance \(9 \mathrm{~m}\), the coefficient of sliding friction is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372189 A van is moving with a speed of \(72 \mathrm{~km} / \mathrm{h}\) on a level road. Where the coefficient of friction between its tyres and road is 0.5 . The minimum radius of curvature, that the road must have, for safe driving of van is \(\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\) :

372190 Two bodies having the same mass \(2 \mathrm{~kg}\) each, have different surface areas \(50 \mathrm{~m}^{2}\) and \(100 \mathrm{~m}^{2}\) in contact with a horizontal plane. If the coefficient of friction is 0.2 , the forces of friction that come into play when they are in motion will be in the ratio:

372191 A ladder \(2.5 \mathrm{~m}\) long and \(150 \mathrm{~N}\) weight has its centre of gravity \(1 \mathrm{~m}\) from the bottom. A weight \(40 \mathrm{~N}\) is attached to the top end. The work required to raise the ladder from the horizontal position to the vertical position is:

372192 A body of mass \(10 \mathrm{~kg}\) lies on a rough horizontal surface. When a horizontal force of \(f\) newton acts on it, it gets an acceleration of \(5 \mathrm{~m} / \mathrm{s}^{2}\) and when the horizontal force is doubled, it gets an acceleration of \(18 \mathrm{~m} / \mathrm{s}^{2}\). Then the coefficient of friction between the body and the horizontal surface is: (assume \(g=10 \mathrm{~ms}^{-2}\) )