Physics, 18.10.2020 05:01 TheVariableWhoLived
Let's say that there is a helicopter flying through the sky and you have a blue laser and a red
laser. You want to try and hit the helicopter with your laser. Which one will have a better chance
of going far enough to reach the helicopter and why?
Answers: 1
Physics, 22.06.2019 21:30
Which sections of the heating curve illustrate this process?
Answers: 2
Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
Answers: 1
Let's say that there is a helicopter flying through the sky and you have a blue laser and a red
las...
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