[Answered] What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 ...

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Author Question: What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 ... (Read 154 times)

skymedlock

Hero Member
Posts: 561

on: Jul 29, 2018

What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 m/s?

A) 5.4 m/s
B) 1.9 m/s
C) 3.1 m/s
D) 3.3 m/s
E) 1.0 m/s

Question 2

Eleven molecules have speeds 16, 17, 18, . . . , 26 m/s. Calculate the root-mean-square of this group of molecules.

A) 21.2 m/s
B) 21.0 m/s
C) 21.5 m/s
D) 21.7 m/s

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Marked as best answer by a Subject Expert

iman

Sr. Member
Posts: 334

Reply #1 on: Jul 29, 2018

Answer to Question 1

C

Answer to Question 2

A

skymedlock

Member
Posts: 561

Reply 2 on: Jul 29, 2018

TYSM

Dinolord

Member
Posts: 313

Reply 3 on: Yesterday

Excellent

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