A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹.It is subjected to…
7 years ago
Work Energy and Power
A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m.If the…
7 years ago
A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
A particle moves along the x-axis from x=0 to x=5 m under the influence of a force given by F=7-2…
7 years ago
A particle of mass m is driven by a machine that delivers a constant power k watts
A particle of mass m is driven by a machine that delivers a constant power k watts.If the particle starts…
7 years ago
Assertion(A) :The change in kinetic energy of a particle is equal to the work done
Assertion(A) :The change in kinetic energy of a particle is equal to the work done on it by the net…
7 years ago
A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
A particle free to move along X-axis has potential energy given as U(X) =k(1-e-ˣ²),where k is a positive constant of…
7 years ago
A high altitude, a body explodes at rest into two equal fragments with one fragment
A high altitude, a body explodes at rest into two equal fragments with one fragment receiving horizontal velocity of 10…
7 years ago
A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height h(
7 years ago
Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
Three objects A,B and C are kept in a straight line on a frictionless horizontal surface.These have masses m,2m and…
7 years ago
A uniform force of (3i+j) Nacts on a particle of mass 2 kg.Hence the particle is displaced
A uniform force of (3i+j) N acts on a particle of mass 2 kg.Hence the particle is displaced from position…
7 years ago