A) suggest why the pipes are made of Copper
b) suggest why the pipes and the metal backing sheet are painted black
c) Suggest why an insulating material is attached to the metal backing sheet
d) Suggest why the presence of the glass sheet increases the energy collected by the water
Answers: 1
Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 ร 10โ19 j. planckโs constant is 6.63 ร 10โ34 j โข s. which color of light corresponds to this photon?
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Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120ยฐf. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
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Physics, 22.06.2019 11:20
Suppose a diode consists of a cylindrical cathode with a radius of 6.200ร10^โ2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
Answers: 1
A) suggest why the pipes are made of Copper
b) suggest why the pipes and the metal backing sheet ar...
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