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

Physics & Space Science

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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

Physics & Space Science

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 0is 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

Physics & Space Science

The celestial equator always passes directly overhead

Indicate whether the statement is true or false

Physics & Space Science

How are electric motors and electric generators similar? Different?

What will be an ideal response?

Physics & Space Science