Q4. The following figure shows the specification of a disk, given that disk thickness is 15 mm, and brass thermal conductivity = 123 W/m' C. Find the following: Ra - S0mm 1- Heat transfer rate. T2-124C 2- Temperature gradient RI 30mm TI-127C

Q: An arctic weather balloon is filled with 40.7 L of helium gas inside a prep shed. The temperature…

A: The Charles law is given as, V1T1=V2T2V2=V1T2T1

Q: If you add 700 kJ of heat to 600 g of water at 60.0°C, how much water will be left in the container?…

A: Given: Heat added to mass of water, m=600 g  at temperature, T=60.0°C  The latent heat of…

Q: A150 cm long copper rod is 3kg in mass. What is the change in length (in centimeters) in the rod if…

A:

Q: A wall is built of two metals (copper and aluminum) that are in thermal contact with each other. If…

A: Given: temperature difference across both metals = 31.6Kthickness of copper LCu=1.05 cmthickness of…

Q: 4. A copper bar lies between two heat sources given by T₁ = 100°C and Tc = 20°C. The area of the…

A: We know that when there is a temperature gradient heat flows from high temperature to low…

Q: 9. A parcel of air having a volume of 1.00 cm³ (1.00 x 10 m³) at a pressure of one atmosphere (1.01…

A:

Q: The specific heat capacity of metals are normally much smaller than that of water. If we should…

A: It is given that specific heat capacity of water is much more than specific heat capacity of metals…

Q: 3. A2 L balloon at room temperature (20 C) is placed in a refrigerator at 3 C. What is the volume of…

A: According to the Ideal Gas equation For constant pressure P Temperature is directly proportional to…

Q: An arctic weather balloon is filled with 49.6L of helium gas inside a prep shed. The temperature…

A: Initial volume = 49.6 L  Initial temperature = 11° C = 284 Kelvin Final temperature = - 39°C = 234…

Q: A physics students wants to know how much ice can he put inside an insulated beaker containing 250g…

A: Heat flow due to temperature difference is Q = ms∆TWhere, S = specific heat

Q: Written Challenge Problem, Planetary Temperatures: The Sun radiates 3.86x1026W. Earth's distance…

A:

Q: Two 50-g ice cubes are placed into 0.2kg of water in a Styrofoam cup. The water is initially at a…

A:

Q: 32. A gasoline engine takes in 2500 J of the heat and delivers 500J of mechanical work per cycle.…

A: Please note : As per answering quidelines I can answer the first question(Q.32) only. Since this is…

Q: Air enters a hot-air furnace at 5 °C and leaves at 80 °C. If the pressure does not change each…

A: From the question, it is given that- Initial temperature Ti=5 oC = 278 KFinal Temperature: Tf = 80oC…