Question 4 (2 points) (05.01 LC)
Which statement is true about the speed of light? (2 points)
Оа
Light travels relatively slowly.
Oь
Distance in space is measured using the speed of light.
Time in space is measured using the speed of light.
Ос
Od
The speed of light is unknown.

What is the fate of the electrons that interact with a specimen in an electron microscope?

Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.

Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?