Distance formula

In a classroom,4 friends are seated at the points A.B.C and D as shown in Fig.7.8 . Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli,Don't you think ABCD is a square? Chameli disagrees.Using distance formula, find which of them is correct.

a. Convert Wedge formula to Fischer formula. b. Convert Fischer formula to Wedge formula.

Convert Sawhorse formula to Fischer formula.

A spring of spring constant k is stretched by distance r. Obtain formula for elastic potential energy of a stretched spring. Plot graph of energies versus distance.

50 students enter for a school javeloin throw competition. The distance (in metre) thrown are recorded below (i) Construct a cumulative frequency table. (ii)Calculate the median distance by using the formula for median.

The approximate formula expressing the formula of mutual inductance of two coaxial loops of the same redius a when their centers are separated by a distance l with l gt gt a is

Questions on Sine formula || Cosine Formula & Questions based on Cosine formula

Let gravitational potential energy U is given by U=Asqrtx/(B+x^2) , where x is distance. The dimensional formula of A/B is

Write the formula for a lens connnecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?

The distance between two parallel lines can be taken out by the formula