A force of 2i+3j+4k newton acts on a body for 4 second, produces a displacement of 3i+4j+5k m.The power used is|| Physics class 11 mcqs

The angle between two vectors -3i+6k and 2i+3j+k is

If a vector 2i+3j+8k is perpendicular to the vector 4i-4j+ak,then the value of a is

Magnitude of vector which comes on addition of two vectors,6i+7j and 3i+4j is

If a body of mass 2 kg is moving with momentum 6 Ns, then its kinetic energy (K.E) will be

Laws of Motion -07- The Magnitude of Hinge Force

Laws of Motion -08- Acceleration of Blocks Pushed by External Force

Calculate the work done by force F specified by F=3i+4j+5k in displacing a body from position B to position A along a straight path.The position vectors A and B are respectively given as rA=2i+5j-2k and rB=7i+3j-5k. Sindh Text Physics Numerical Solution

A force F=6i+2j-3k acts on a particle and produces a displacement of S=2i-3j+xk.If the work done is zero, the value of x is

The unit of force constant is

The graph between voltage and current in s.i units is shown in figure below then resistance will be

Impulse -02- Particle Velocity From Instantaneous Force

Prove that one kilo watt hour is equal to 3.6×10 power 6 J

If T is time period of simple pendulum at a place where acceleration due to gravity is g,then length of pendulum is

Laws of Motion -05- An Object In Equilibrium

When an object is thrown upward,it rises to height h. How high is the object in terms of h when it has lost one third of its original kinetic energy_work, power and energy numericals

Parabolic Motion -01- The Magnitude Of The Object's Velocity In Projetile Motion

At what angle between force and displacement the work done on the body is just 50% of maximum work

Two forces each of magnitude F, have a resultant of the same magnitude F. The angle between the two forces is

A body of mass m accelerates uniformly from rest to a speed Vf in time tf.Show that the work done on the body as a function of time in terms of Vf and tf is 1/2mVf2 t2 /tf2_Sindh Text Physics class 11 numerical solution

Problem No 3.9 : Two blocks of masses 2.0 kg and 0.50 kg are ......

Problem No 3.4 : Two masses m1 and m2 are initially at rest .......

Impulse -01- Change in Velocity

Solid State -01- Unit Cell Concept

A Voltaic Cell or Galvanic Cell Animation

Streamline Animation [Fluid Mechanics]