A body starts from rest, what is the ratio of the distance travelled by the body
A body starts from rest, what is the ratio of the distance travelled by the body during the 4th second and 3rd second?
Options
(a) 7 / 5 (b) 5 / 7 (c) […]
Questions
A cord is wound round the circumference of wheel of radius
A cord is wound round the circumference of wheel of radius r.The axis of the wheel is horizontal and moment of inertia about it is I.A weight mg is attached to the end of the […]
Two discs of moment of inertia l₁ and I₂ and angular speeds
Two discs of moment of inertia l₁ and I₂ and angular speeds ?￢ﾂﾁ and ?￢ﾂﾂ are rotating along collinear axes passing through their centre of mass and perpendicular to their plane.If the two are made […]
A body of mass m slides down an incline and reaches the bottom
A body of mass m slides down an incline and reaches the bottom with a velocity v, if the same mass were in the form of a ring which rolls down this incline, the velocity […]
A block slides from an inclination of 45°.If it takes time twice
A block slides from an inclination of 45°.If it takes time twice with friction than to that without friction, then coefficient of friction for surface is given by
Options
(a) 1 (b) 0.75 […]
A long horizontal rod has a bead which can slide long its length
A long horizontal rod has a bead which can slide long its length and initially placed at a distance L from one end A of the rod.The rod is set in angular motion about A […]
Two racing cars of masses m₁ and m₂ are moving in circles of radii
Two racing cars of masses m₁ and m₂ are moving in circles of radii r₁ and r₂ respectively.Their speeds are such that each makes a complete circle in the same time t.The ratio of the […]
The product of pressure and volume hve thesame units as the product of
The product of pressure and volume have the same units as the product of
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(a) Charge and potential (b) electric field strength and distance (c) eletromotive force and capacitance (d) magnetic moment […]
Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius R and r such that their periods are the same.Then, the ratio between their centripetal acceleration is
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An elevator car whose floor to ceiling distance is equal to 2.7m starts
An elevator car whose floor to ceiling distance is equal to 2.7m starts ascending with constant acceleration of 1.2 ms⁻².After 2s of the start, a bolt begins falling from the ceiling of the car.The free […]