For a particular process involving seven variables or parameters having four fundamental dimensions, how many dimensionless numbers can be formed?

What will be an ideal response?


Using Buckingham’s Pi theorem, one can write three, or seven minus four, Pi
parameters

Physics & Space Science

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If the entire galaxy (with a diameter of 100,000 light years) were represented by a circle with a diameter of 4,400 km (similar to the width of the continental United States), then how far apart would be the Sun and its nearest stellar neighbor,

Proxima Centauri (which is 4.2 light years away)? A) about 0.2 meters (about the length of an adult's forearm) B) about 200 meters (about 2 football fields) C) about 20 meters (about the size of a large classroom) D) about 2 meters (about 2 long footsteps)

Physics & Space Science

Which of the following is the shell electron configuration for sulfur?

a. 2, 4, 10 b. 10, 6 c. 2, 8, 6 d. None of these

Physics & Space Science

A runner in a race takes 2.7 seconds to go from the 40 meter mark to the 70 meter mark. (a) What is the runner's speed? (b) How far would the runner go in 8 seconds if this speed is maintained? (c) How long did it take the runner to cover the first 40 m (assuming the same speed was maintained)?

Physics & Space Science

The difference between lightwaves approaching and lightwaves receding is

A) when approaching, lightwaves have higher frequency; when receding their frequency is lower. B) when approaching, lightwaves have lower frequency; when receding their frequency is higher. C) the frequency of approaching lightwaves remain constant, while receding lightwaves are invisible. D) There is no difference

Physics & Space Science