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Labels: Past Questions and Answers

Physics Question: A boy standing some distance from the feet of a tall cliff claps his hand and hear an echo 0.5s later. If the speed of sound is 340 m/s, how far is he from the Clif?

Physics Question: A boy standing some distance from the feet of a tall cliff claps his hand and hear an echo 0.5s later. If the speed of sound is 340 m/s, how far is he from the Clif?

Physics Question: A boy standing some distance from the feet of a tall cliff claps his …
John Perolski
An object of mass 80kg is pulled on a horizontal rough ground by a force of 500N. Find the coefficient of static friction

An object of mass 80kg is pulled on a horizontal rough ground by a force of 500N. Find the coefficient of static friction

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 13: …
John Perolski
A mass of 2kg on a surface ( μ = ½) is connected to a second mass of 4kg over a frictionless pulley as shown above. If the acceleration due to gravity is 9.8m/s² the masses will

A mass of 2kg on a surface ( μ = ½) is connected to a second mass of 4kg over a frictionless pulley as shown above. If the acceleration due to gravity is 9.8m/s² the masses will

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 12: …
John Perolski
A body of mass 10kg on a smooth inclined plane is connected to a smooth pulley to a mass of 15kg as shown above, the acceleration of the system is

A body of mass 10kg on a smooth inclined plane is connected to a smooth pulley to a mass of 15kg as shown above, the acceleration of the system is

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 11:  …
John Perolski
When a box of mass 45kg is given an initial speed of 5m/s, it slides along a horizontal floor a distance of 3m before coming to rest. What is the coefficient of the kinetic friction between the box and the floor?

When a box of mass 45kg is given an initial speed of 5m/s, it slides along a horizontal floor a distance of 3m before coming to rest. What is the coefficient of the kinetic friction between the box and the floor?

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 10:…
John Perolski
The coefficient of static friction between a 40kg crate and a concrete surface is 0.25. Find the magnitude of the minimum force needed to keep the crate stationary on the concrete base inclined at 45° to the horizontal

The coefficient of static friction between a 40kg crate and a concrete surface is 0.25. Find the magnitude of the minimum force needed to keep the crate stationary on the concrete base inclined at 45° to the horizontal

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 9: T…
John Perolski
A force, 10N drags a mass 10kg on a horizontal table with an acceleration of 0.2m/s². If the acceleration due to gravity is 10m/s², the coefficient of friction between the moving mass and the table is?

A force, 10N drags a mass 10kg on a horizontal table with an acceleration of 0.2m/s². If the acceleration due to gravity is 10m/s², the coefficient of friction between the moving mass and the table is?

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 8:  A…
John Perolski
A body of mass 10kg rests on a rough inclined plane whose angle of tilt θ is variable. θ is gradually increased until the body starts to slide down the plane at 30 degrees. The coefficient of limiting friction between the body and the plane

A body of mass 10kg rests on a rough inclined plane whose angle of tilt θ is variable. θ is gradually increased until the body starts to slide down the plane at 30 degrees. The coefficient of limiting friction between the body and the plane

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 7: …
John Perolski
A concrete block of mass 35kg is pulled along a horizontal floor with the aid of a rope inclined at an angle of 30 degrees to the horizontal. If the coefficient of friction is 0.75, calculate the force required to move the block over the floor?

A concrete block of mass 35kg is pulled along a horizontal floor with the aid of a rope inclined at an angle of 30 degrees to the horizontal. If the coefficient of friction is 0.75, calculate the force required to move the block over the floor?

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 6:  …
John Perolski
A block weighing 15N rests on a flat surface and a horizontal force of 3N is exerted on it. Determine the frictional force on the block

A block weighing 15N rests on a flat surface and a horizontal force of 3N is exerted on it. Determine the frictional force on the block

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 5: A …
John Perolski
What is the coefficient of static friction between a load of mass 2kg and a horizontal surface, if the limiting frictional force is I0N

What is the coefficient of static friction between a load of mass 2kg and a horizontal surface, if the limiting frictional force is I0N

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 4.…
John Perolski
A 100kg box is pushed along a road with a force of 500N. If the box moves with a uniform velocity, the coefficient of friction between the box and the road is

A 100kg box is pushed along a road with a force of 500N. If the box moves with a uniform velocity, the coefficient of friction between the box and the road is

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 3. …
John Perolski
A metal block of mass 5kg lies on a rough horizontal platform. If a horizontal force of 8N applied to the block through its center of mass just slides the block on the platform, then the coefficient of limiting friction between the block and the platform is

A metal block of mass 5kg lies on a rough horizontal platform. If a horizontal force of 8N applied to the block through its center of mass just slides the block on the platform, then the coefficient of limiting friction between the block and the platform is

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 2.  …
John Perolski
A force of 20N applied parallel to the surface of a horizontal table is just sufficient to make a block of mass 4kg move on the table Calculate the coefficient of friction

A force of 20N applied parallel to the surface of a horizontal table is just sufficient to make a block of mass 4kg move on the table Calculate the coefficient of friction

Physics Jamb, Waec, Neco Past Questions & Answers on FRICTIONAL FORCE QUESTIONS 1. A …
John Perolski
The tissue not found in the stem of monocots is

The tissue not found in the stem of monocots is

BIOLOGY UTME 2021 QUESTIONS QUESTIONS 40. The tissue not found in the stem of mon…
John Perolski
Which of the following fight diseases in the blood

Which of the following fight diseases in the blood

BIOLOGY UTME 2021 QUESTIONS QUESTIONS 39. Which of the following fight diseases in …
John Perolski
Growth response to the stimulus of gravity by plant stem is

Growth response to the stimulus of gravity by plant stem is

BIOLOGY UTME 2021 QUESTIONS QUESTIONS 38. Growth response to the stimulus of gravity…
John Perolski
Flagella and cilia found respectively in

Flagella and cilia found respectively in

BIOLOGY UTME 2021 QUESTIONS QUESTIONS 37. Flagella and cilia found respectively in  A…
John Perolski
The plant hormone involved in fruit ripening is

The plant hormone involved in fruit ripening is

BIOLOGY UTME 2021 QUESTIONS QUESTIONS 36. The plant hormone involved in fruit ripening…
John Perolski
One of these is a biotic factor

One of these is a biotic factor

BIOLOGY UTME 2021 QUESTIONS QUESTIONS 35. One of these is a biotic factor  A. temperatu…
John Perolski

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