The distance travelled by a particle starting from rest is plotted against the square of the time elapsed from the commencement of motion. The resulting graph is linear, the slope of this graph is a measure of

What volume of alcohol with a density of 8.4 x 10²kgm^-3 will have the same mass as 4.2m³of petrol whose density is 7.2 x 10²kgm^-3?

For correcting long sight defects in the human eye we require a

For a concave mirror to form a teal diminished image, the object must be placed