Free Response 9. A search and rescue aircraft, which is cruising
at an altitude of 1000 m, is fitted with a flare
launching device. This device will
simultaneously launch two flares, one up and one
down. If the flares are launched with a speed of
100 m/s, what is the vertical separation between
the flares i seconds after launch?

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Astate of matter all that has define volume and can flow is a(n)

Which of the following is not am example of a polymer? protein nylon kevlar concreta