A beaker contains a liquid of mass 
. The liquid is supplied with thermal energy at a rate of 
. The beaker has a mass of 
and a specific heat capacity of 
. The beaker and the liquid are in thermal equilibrium with each other at all times and are insulated from the surroundings. The figure below shows the variation with time 
of the temperature of the liquid.
Determine the specific heat capacity, in 
, of the liquid.
.
