How is sound produced?
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Explain the Friction and Equilibrium ?
What is pascal s principle?
Explain heat treatment. Why and how is it done?
a truck A moving with a velocity of 30m/s collides with a stationary trolley B of mass 0.5tonnes after collision the two bodies were automatically connected.find their common velocities after collision if the mass of truck is 1.2tonne.
Why do the front wheels of a motor car usually lean outwards ?
What are the steps to the scientific notation?
Laser is an acronym for what?
On an electric schematic, what does the symbol of a horizontal line interrupted by a saw tooth shaped line represent?
can we use kgs instead of kg? why?
The principle of action of points is used in
How is radiation emitted from the body?
How is A.C. converted into D.C ?