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Two 50 g ice cubes are dropped into 200 g of water in a thermally insulated container. If the water is initially at 25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibrium? (b) What is the final temperature if only one ice cube is used?
01
Sep
Two 50 g ice cubes are dropped into 200 g of water in a thermally insulated container. If the water is initially at 25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibrium? (b) What is the final temperature if only one ice cube is used? [...]
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and the ice comes directly from a freezer at -15°C ,
Two 50 g ice cubes are dropped into 200 g of water in a thermally insulated container. If the water is initially at 25°C ,
what is the final temperature at thermal equilibrium? (b) What is the final temperature if only one ice cube is used? ,
A capacitor of capacitance c, which is initially uncharged, is connected with a battery of emf e. Find the heat dissipated in the circuit during the process of charging.
01
Sep
A capacitor of capacitance c, which is initially uncharged, is connected with a battery of emf e. Find the heat dissipated in the circuit during the process of charging. A capacitor of capacitance c is connected with a battery of emf e. Find the heat dissipated in the circuit during the process of charging. which [...]
A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500C and then placed on a large ice block. What is the maximum amount of ice that can melt ?
01
Sep
A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500C and then placed on a large ice block. What is the maximum amount of ice that can melt ? A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500C and then [...]
A magnetic field has a magnitude of 1.5 * 10^-3 T, and an electric field has a magnitude of 4.0 * 10^3 N/C. Both fields point in the same direction. A positive 1.8 mu C
01
Sep
A magnetic field has a magnitude of 1.5 * 10^-3 T, and an electric field has a magnitude of 4.0 * 10^3 N/C. Both fields point in the same direction. A positive 1.8 mu C A magnetic field has a magnitude of 1.5 * 10^-3 T and an electric field has a magnitude of 4.0 [...]
Calculate the heat of fusion of ice from the following data of ice at 0C added to water. Mass of calorimeter=60g, mass of calorimeter+ water =460g, mass of calorimeter + water + ice=618g, initial temperature of water =38C, final temperature of the mixture=5C.
01
Sep
Calculate the heat of fusion of ice from the following data of ice at 0C added to water. Mass of calorimeter=60g, mass of calorimeter+ water =460g, mass of calorimeter + water + ice=618g, initial temperature of water =38C, final temperature of the mixture=5C. Calculate the heat of fusion of ice from the following data of [...]
In figure given , an electron gets accelerated from rest through potential difference v 1 = 500 V. It enters the gap between two parallel plates having separation d = 20.0 mm and potential difference V 2 = 100 V.
01
Sep
In figure given , an electron gets accelerated from rest through potential difference v 1 = 500 V. It enters the gap between two parallel plates having separation d = 20.0 mm and potential difference V 2 = 100 V. an electron gets accelerated from rest through potential difference v 1 = 500 V. It [...]
The temperature of equal masses of three different liquids A, B and C are 12C, 19C and 28C respectively. The temperature when A and B are mixed is 16C and when B and C are mixed it is 23C. What should be the temperature when A and C are mixed?
01
Sep
The temperature of equal masses of three different liquids A, B and C are 12C, 19C and 28C respectively. The temperature when A and B are mixed is 16C and when B and C are mixed it is 23C. What should be the temperature when A and C are mixed? 19C and 28C respectively. The [...]
A copper calorimeter of mass 1.5kg has 200g of water at 25C. How much water (approx.) at 50∘C is required to be poured in the calorimeter, so that the equilibrium temperature attained is 40C?
01
Sep
A copper calorimeter of mass 1.5kg has 200g of water at 25C. How much water (approx.) at 50∘C is required to be poured in the calorimeter, so that the equilibrium temperature attained is 40C? A copper calorimeter of mass 1.5kg has 200g of water at 25C. How much water (approx.) at 50∘C is required to [...]
(a) 10g of water at -10C heated to become steam at 100C. Find the total heat absorbed it. (b) Draw the graph temperature theta -heat (Q), showing the heat absorbed in each stage.
01
Sep
(a) 10g of water at -10C heated to become steam at 100C. Find the total heat absorbed it. (b) Draw the graph temperature theta -heat (Q), showing the heat absorbed in each stage. (a) 10g of water at -10C heated to become steam at 100C. Find the total heat absorbed it. (b) Draw the graph [...]
A charge particle is projected in a magnetic field of ( 5.0 i – 2.0 j ) * 10^-3 T . If the acceleration of the particle is found to be ( xi + 5.0 j ) * 10^-6 m/s^2 . What should be the value of x ?
01
Sep
A charge particle is projected in a magnetic field of ( 5.0 i – 2.0 j ) * 10^-3 T . If the acceleration of the particle is found to be ( xi + 5.0 j ) * 10^-6 m/s^2 . What should be the value of x ? A charge particle is projected in [...]