What is the measure of the force of gravity on an object?
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Who first described how shock waves are formed?
a thing that will break easily?
What instrument is used to measure volume?
Explain the Gravitation and gravity ?
Why does a heavy stone nor break a glass place when place slowly on it, while a small stone falling from a great height easily breaks it ?
What is Real image ?
Explain what is the rectilinear propagation of light?
What is the commercial unit of electrical energy ?
a car starts from rest with uniform acceleration "a" for sometime and then with uniform retardation "b" and comes to rest. The time of motion is "t". find the maximum velocity attained by it?
what law yields an equation that is used in determining crystal structure from interference patterns produced by monochromatic x-rays?
How much should be the minimum size of the ordinary mirror, so that and observer standing at the centre of room is able to see the whole of the height of the wall behind him ?
If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?