Water enters a horizontal pipe of non-uniform cross-section with a velocity of 2 m/s and leaves the other with a velocity of 10 m/s as shown in the figure below. The pressure at the first end Is P, = 1000 kPa. What is the pressure at the
other end?
P.
Vi = 2 m/s
v2 = 10 m/s​

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b. refraction c. diffraction d. interference

70 give a real life example showing how sensory neurons work with the motor neurons