Molecular Physics | Thermodynamics Answers

A hot water tank has 10cm of foam (k= 0.02 Wm^-1 K^-1) insulation surrounding the 60°C tank which is placed in 20°C room. The tank has surface area of 3.5 m^2 . Find the thermal energy lost over a one day period. This will equal the standby loss of tank. Ignore air films.

Convert R-40 to SI units

A piece of copper of mass 300g at a temperature of 130 degree Celsius is quickly transferred to a vessel of negligible thermal capacity containing 250g of water at 30 degrees Celsius. Calculate the final temperature of the system.

Vectors  and  are shown in the figure. Vector  is given by  =  - . The magnitude of vector  is 16.0 units, and the magnitude of vector  is 7.00 units. What is the angle of vector , measured counterclockwise from the +x-axis?

The force due to the atmosphere on one side of a door ‎of area (2 m^2) is?‎Required to answer. Single choice.

Consider a power plant is operating With coal combustion by producing temperature sum of 20.75 0F, 20.4K, 289.ec,  30.450F, 500.850 F and 200.15K, while converting the heat content of power plant in useful work with an average of 200.550F, 200K and 300.450C„ then find the heat dissipated in the vicinity and also find the % efficiency of the power plant

A 60 kg student slides down a 5.0 metre high slide. At the bottom of the slide , the student is moving at 4.5 m/s (due to friction) . If the slide is a 10.0 Kg layer of steel , by how much will the steel temperature increase?

Explain lynman series