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Earth/Space Science V19, Rebecca de la Lastra (4932/S)
Question 7 (Worth 2 points)
Which of the following types of stars started out on the main sequence with the largest initial mass?
Graph A
Graph B
Graph C
Graph D
Intensity --
I
Intensity --
Intensity -
IT
100 350 600 850 1,100
Wavelength (A)
100 350 600 850 1,100
Wavelength (Á)
100 350 600 850 1,100
Wavelength (Á)
100 350 600 850 1,100
Wavelength (A)
OA

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

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.