Question

18
(1 Point)
SI unit for coefficient of thermal conductivity is
a) J/kg m°C
b) J/g mºC
c) J/kg cm
d) J/s m K​

Answer 1

Answer:

particles of masses 5 kg and 3 kg

are at a separation of 8 m. If the 5-kg

mass is moved towards the 3-kg mass

by a distance of 1.8 m, then by what

distance and in which direction the

second particleshould be moved so

that the centre of the system does not

change (in m)?

answer

(a)