400g of cold water is added to 200g of water at 70°C. If they are properly mixed and the temperature of the mixture is 300°C. calculate the initial temperature of the cold water. (Neglect the heat absorbed by the container)

Similar Questions

ML2T-2 is the dimensional formula for ...

A body of mass 2kg is suspended from the ceiling of a lift with a light inextensible string. lf the ...

Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an inclin...

Which colour is deviated least when white light passes through a triangular prism? ...

Light Emitting Diodes (LED) used in fancy electronic devices such as toys, emit ...

To keep a vehicle moving at a constant speed v, requires power P, from the engine. The force provide...

The nucleon number and the proton number of a neutral atom of an element are 238 and 92 respectively...

The mercury column in the barometer at notational  atmospheric pressure has a height of? ...

If a body moves with a constant speed and at the same time undergoes an acceleration, its motion is ...

A ray of light is incident normally on a plane mirror. If the incident ray is kept fixed while the m...