A solid sylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 ms⁻¹
A solid sylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 ms⁻¹. It collides with…
7 years ago
Work Energy and Power
A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth surface and…
7 years ago
An explosion blows a rock into three parts. Two parts go off at right angles to each other
An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two…
7 years ago
A uniform force of (3i + j) newton acfs on a particle of mass 2kg
A uniform force of (3i + j) newton acfs on a particle of mass 2kg. The particle is displaced from…
7 years ago
One coolie takes 1 minute to raise a suitcase through a height of 2 m
One coolie takes 1 minute to raise a suitcase through a height of 2 m but the second coolie takes…
7 years ago
An engine pumps water continuously through a hose. Water leaves the hose
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the…
7 years ago
A particle with total energy E is moving in a potential energy region U(x)
A particle with total energy E is moving in a potential energy region U(x). Motion of the particle is restricted…
7 years ago
A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily
A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after…
7 years ago
A body projected vertically from the earth reaches a height equal to earth’s radius
A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The…
7 years ago
The sum of the magnitudes of two forces acting at a point is 16 N
The sum of the magnitudes of two forces acting at a point is 16 N.The resultant of these force is…
7 years ago