Question
Energy that is produced commercially from coal is
called –Solution
Thermal enemy, but in most cases coal is used for electricity. The steel industry uses coal (or coke rather) in blast furnaces. Thermal energy is the part of the total internal energy of a thermodynamic system or sample of matter that results in the system temperature. This quantity may be difficult to determine or even meaningless unless the system has attained its temperature only through heating, and not been subjected to work input or output, or any other energy-changing processes.
What is the SI unit of magnetic flux?
If the vector sum of torques acting on a system is zero, then the object is in:
What was invented by 'Zacharias Janssen'?
An electric motor converts _____ energy to mechanical energy.
A body explodes into three equal fragments, two of which fly off perpendicular to each other with equal speeds. What is the direction of the third frag...
Two cars A and B are running at velocities of 60km per hour and 45 km per hour. What is the relative velocity of car A with respect to car B, if both ar...
A plane mirror is placed on a wall. A man walks directly toward the mirror at 2 m/s. The speed at which his image approaches him is:
When a cannonball is fired, its motion is an example of ______.
Which of the following is an alpha particle which is emitted in radioactivity?
Which of the following equations correctly represents the momentum p of a photon of Energy E?
