A cylindrical metal boiler of radius 10 cm and thickness 3.14 cm is filled with water and placed on an electric heater. If the water boils at the rate of 50 g s', estimate the temperature of the fila- ment. Thermal conductivity of metal 102 w m K- and latent heat of vaporisation = 2.26 x 10° J g'. = 1.13 x %3D
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- Ti, 295.7K Tp=f (Ti,, Tig,V 11 Tiz 316.9K Solve for Tf. 100mL 50 ML Vz we have a foam cup uWth 100mL of cold water at 295.7 K. we then mix in 50 ML Of hot water at 31le.9K into the cold water. what is the final temperature 50 mL Of hot water at equillibrium?A steel beam 10.0 m sits next to a concrete wall when the temperature is 30.0o If the temperature rises to 50.5o C, how large must the gap be if the steel beam just touches the concrete wall?What is the change in length of a 3.00-cm-long column of mercury if its temperature changes from 37.0ºC to 40.0ºC , assuming the mercury is unconstrained?
- A weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has what volume in L at -23.4 °C assuming pressure is held constant? With the correct amount of sig figsHurry!!Q2/ air at 25 °C and 1 atm flows over flat plate at 20 m/s. the plate is 75 mm long and it is maintained at 55 °C. Assume unit depth in z-direction, find the heat transfer rate from the plate. p31.128 kg/m^3 ,k=0.02723 W/(m.K) p=1.906x10^(-5) * kg/(m.s) ,cp=1.007 kJ/(kg.°C) إضاقة علف
- A lead bullet a 15°C is brought to rest on hitting a target. If the bullet thereby just melts completely, find the velocity of bullet just before impact. Assume that all the heat produced on impact remains in bullet. Sp. ht. of lead = 0.03 cals/g/°C, melting point of lead = 325°C, L of fusion of lead = 5 cal/g, J= 4.2 x 107 ergs/cal. %3DWhat is the heat capacity of 1.3 L of water if the specific heat capacity is 4190 J kg^-1 K^-1? State the result in kJ/K. DWhat is the equilibrium temperature if a 0.560 kg piece of copper at 251 degC is placed in a 0.390 kg aluminum cup with 4.30 kg of water at the same initial temperature of 23.3 degC?
- Needs Complete typed solution with 100 % accuracy.3) The temperature and emissivity of the glass of a flat plate collector with a dth of 1 m and a length of 1.8 m are 40°C and 0.9, respectively. The absorber plat painted with matte black paint and the temperature of the plate is 80°C. Th issivity and absorptivity of matte black paint are equal to each other and are 0. e absorber plate is then coated with selective material with emissivity an orptivity of 0.2 and 0.9, respectively. In this case, by what percentage does the ount of heat from the plate change?If the temperature of the surface of the object is 534.3 oF , then calculate its value in K. a. 552.06 O b. 6.06 O C. 438.34 O d. 587.61