A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
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Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
______ is the perpendicular distance between point of application of force and axis of rotation.
The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be
Who first determined the value of G (gravitational constant)?
Creating realistic sounds in animation is called
An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.
A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/sq.s) is:
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