The first self-sustaining nuclear fission reaction was achieved in Chicago in 1942 under the direction of a scientist named ______________
Fill in the blank(s) with correct word
Enrico Fermi
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Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 15.9 + 14 + 77.68 + 6.898?
a. 114.4780 b. 114.478 c. 114.48 d. 114.5 e. 114
A string with a mass per length of 2.00 gm/m is stretched with a force of 150 N between two points that are 0.500 m apart. The frequency of the second mode of the stretched string is in tune with the fundamental frequency of an organ pipe filled with air and open at both ends. The velocity of sound in air at 0
is 331 m/s. What is the length of the organ pipe?
A. 43.6 cm B. 40.1 cm C. 37.5 cm D. 35.6 cm E. 30.2 cm
The celestial equator always passes directly overhead
Indicate whether the statement is true or false
How are electric motors and electric generators similar? Different?
What will be an ideal response?