Time taken by P and Q together to complete the work = (22 × 33)/ (22 + 33) = 13.2 days Time taken by R alone to complete the work = 1.25 × 13.2 = 16.5 days
Total mechanical energy =
The shape of our Milky Way galaxy is
The polarization of electromagnetic waves demonstrates that they are:
Which of the following is the best conductor of electricity?
Which of the following is an example of longitudinal waves in a gas medium?
In circular motion the direction of velocity changes at _______ points.
A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the gr...
The energy that can harness heat stored below the earth's surface is known as –
Two long parallel conductors are placed 8mm apart from each other carrying a current of 120 Amperes. What will be force per meter length of each one?
The speed of a fast moving electron, having total energy of 2 MeV, is nearly:
