The electric charge of all electrons A) vary from atom to ...

[gonzo233]

The electric charge of all electrons
 
  A) vary from atom to atom.
  B) vary from ion to ion.
  C) are identical.

Question 2

A steel lift column in a service station is a solid cylinder 4.0 m long and 0.20 m in diameter. Young's modulus for this steel is 20  1010 N/m2. By what distance does the column compress when a 5000-kg truck is on it?
 
  A) 4.7  10-7 m
  B) 8.0  10-7 m
  C) 3.2  10-6 m
  D) 7.8  10-6 m
  E) 3.1  10-5 m

[peter]

Answer to Question 1

Answer: C

Answer to Question 2

E

[gonzo233]

TYSM

[kishoreddi]

Excellent