Answer to Question #285983 in Physics for chime

Question

An electric heater raises the temperature of 120g of water, in a thin light vessel through 10k in 2mins when placed in 70g of water contained in a metal vessel of mass 0.55kg the temperature raises through 9k in the same time. Calculate from the above

a.The heat suppliedin 2mins by the heater?

b.The power of the heater?

c.The heat supplied to the 70g of water?

d.The heat supplied to the metal vessel ?

e . The heat capacity of it's material (specific heat capacity of water=4200j-¹k-¹)?

No2: when two objects P and Q are supplied with the same quantity of heat the temperature change in P is observed 70 be twice that of Q. The mass of P is half that of Q.The ratio of the specific heat capacity of P to Q is?

Answer 1

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