A ball of mass m moving at velocity u collides with anoth...
A ball of mass m moving at velocity u collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.
uv
mu2
u
2u
um
Correct answer is A
No explanation has been provided for this answer.
If the volume of a fixed mass of a gas is kept constant, the pressure of the gas ...
The quantity of heat needed to raise the temperature of a body by 1K is the body's ...
In the diagram above, which of the angles θ1 , θ2 , θ3 and \(...
A hydrometer is an instrument for measuring the ...