Ilya and Anya each can run at a speed of 7.40 mph and walk at a speed of 3.60 mph . They set off together on a route of length 5.00 miles . Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half. Part A How long does it take Anya to cover the distance of 5.00 miles ?

Figure shows a simple cathode-ray tube. a beam of particles, emitted by the cathode, strikes the centre of the screen.a. why the cathode must be heated? b. what is the principal energy change that occurs when the beam strikes the screen? c describe and explain what you would expect if the two deflecting plates g and h were connected to an alternating voltage supply