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

what is likely to happen if the glass of a thermometer expands more upon heating than the liquid ins...

A ball of mass 800g moving horizontally with a speed of 5m/s hits a vertical wall and rebounds with ...

The distance between two points in phase on a progressive wave is 5cm. If the sped of the wave is 0....

The diagram above illustrates three forces T1, T2 and 100N in equilibrium. Determine the magnitude o...

If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, ...

A Motor Tyre is inflated to pressure of 2.0 x 105Nm-2 when the temperature of air is 27oC. What will...

An observer hears an echo 1.26 seconds after blowing a whistle near a cliff. calculate the distance ...

Which of the following statements are correct about an object in equilibrium under parallel forces? ...

A stone is thrown horizontally with initial velocity 15m/s from a tower 20 m high. How long does it ...

The tendon in a man's leg is 0.01m long. If a force of 5N stretches the tendon by 2.0 x 10-5m, calcu...