Masses `1 kg, 1.5 kg,2 kg` and `Mkg` are situated at `(2,1,1),(1,2,1),(2,-2,1)` and `(-1,4,3)`. If their centre of mass is situated at `(1,1,3//2)`, the value of `M` is

Masses 1 kg, 1.5 kg, 2 kg and M kg are situated at (2, 1, 1) (1, 2, 1) (2, -2, 1) and (-1, 4, 3). If the their centre of mass is situated at (1, 1, 3/2), the value of M is

Masses 1 kg, 1.5 kg, 2 kg and M kg are situated at (2, 1, 1) (1, 2, 1) (2, -2, 1) and (-1, 4, 3). If the their centre of mass is situated at (1, 1, 3/2), the value of M is

Four particles of mass 5,3,2,4 kg are at the points (1,6),(-1,5),(2,-3),(-1,-4) . Find the coordinates of their centre of mass.

Four particles of mass 5,3,2,4 kg are at the points (1,6),(-1,5),(2,-3),(-1,-4) . Find the coordinates of their centre of mass.

Two bodies of masses 1 kg and 2 kg are located at (1,2) and (-1,3), respectively. Calculate the coordinates of center of mass.

Two bodies of masses 1 kg and 2 kg are located at (1,2) and (-1,3), respectively. Calculate the coordinates of center of mass.

Three particles of masses 8 kg, 4 kg and 4 kg situated at (4,1), (-2,2) and (1,-3) are acted upon by external forces 6bar(j)N,-6 bar(i)N and 14 bar(i)N . The acceleration of centre of mass of the system is