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What is the work done when a force of 10 N moves an object by 5 m in the direction of the force?
What is the value of acceleration due to gravity at the center of the earth?
Which of the following is NOT a vector quantity?
A 5 kg block at rest is hit by a 0.1 kg bullet moving at 500 m/s. The bullet gets embedded into the block. What is their final velocity?
Which law explains why it is difficult to hammer a nail into a freely suspended wooden frame?
Sounds of frequencies less than about ______ vibrations per second cannot be detected by the human ear.
In which type of wave do the particles of the medium vibrate perpendicular to the direction of wave propagation?
Two sound waves have frequencies 256 Hz and 260 Hz. The beat frequency is:
A larger force on a rotating body results in larger _____.
A spherical ball made of steel when dropped in mercury container will –
