Work is done on an adiabatic system due to which its velocity changes from 10 m/s to 20 m/s, elevation increases by 20 m and temperature increases by 1 K. The mass of the system is 10 kg. cv = 100 J/(kgK) and gravitational acceleration is 10 m/s . If there is no change in any other component of the energy of the system, the magnitude of total work done (in kJ) on the system is ______.

Work is done on an adiabatic system due to which its velocity changes

1.	Work is done on an adiabatic system due to which its velocity changes from 10 m/s to 20 m/s, elevation increases by 20 m and temperature increases by 1 K. The mass of the system is 10 kg. cv = 100 J/(kgK) and gravitational acceleration is 10 m/s . If there is no change in any other component of the energy of the system, the magnitude of total work done (in kJ) on the system is ______.
A.	4.5 kJ.
B.	5.5 kJ.
C.	6.4 kJ.
D.	6.5 kJ.
Answer» B. 5.5 kJ.

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