Four point are placed at four comerse of a squared of side 4 m as shown. Match the following table.

Four point masses are placede at four corners of a square of side 4m as shown. Match the following columns. {:("Column1","Column2"),("A x-coordinate of center of mass of 4kg and 2kg","P (7//2)m"),("B x-coordinates of center of mass of 4kg 2kg and 3kg","Q (4//3)m"),("C y-coordinate of center of mass of 1kg 4kg and 3kg","R 3m"),("y-coordinate of center of mass of 1kg and 3kg","(20/9)m"):}

Four point masses are placed at the corners of a square of side 2 m as shown in the figure. Find the centre of mass of the system w.r.t. the centre of square.

Four point charges are placed at the corners of a square ABCD of side 10 cm, as shown in figure. The force on a charge of 1muC placed at the centre of square is

Four identical point charges q are placed at four corners of a square of side a. Find the potential energy of the charge system. .

Four point charge are placed at the corners of a square with diagonal 2a as shown. What is the total electric field at the center of the squre?

Four point charges Q, q, Q and q are placed at the corners of a square of side' a' as shown in the figure. Find the . (a) resultnat electric force on a charge Q and . (b) potential energy of this system.

Four point charges are placed at the corners of a square of side l. Calculate potential at the centre of square.

Four point masses are plaaced at four corners of a square as shows. When positions of m and 2m are interchanged

Four charge are placed at the corners of a square of side 10 cm as shown in figure having. If q is 1 mu C , then what will be electric field intensity at the centre of the square?

Four point particles of masses 1.0 kg, 1.5 kg, 3.0 kg and 2.5 kg are placed at four corners of a rectangle of sides 4.0 cm and 3.0 cm as shown in the figure. The centre of mass of the system is at a point: