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Author Question: A steel rod 55 cm long has a diameter of 30 cm. The compressive strength (the maximum stress it can ... (Read 32 times)

student77

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on: Jul 29, 2018
A steel rod 55 cm long has a diameter of 30 cm. The compressive strength (the maximum stress it can support without breaking) of this steel is 500  106 N/m2. What is the compression force that would break the rod?
 
  A) 3.5  107 N
  B) 2.4  107 N
  C) 1.4  108 N
  D) 4.7  108 N
  E) 8.9  108 N

Question 2

When you remove electrons from a metal cup, the cup becomes
 
  A) negatively charged.
  B) positively charged.
  C) ionized.


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lou

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

Answer: B


student77

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Reply 2 on: Jul 29, 2018
:D TYSM

amandalm

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Reply 3 on: Yesterday
Wow, this really help

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