How much force acts on one surface of a rectangular bedroom wall ...

[jc611]

How much force acts on one surface of a rectangular bedroom wall that is 2.20 m by 3.20 m when atmospheric pressure is 1.00  105 N/m2 ?
 
  A)
 
  3.52  105 N
 
  B)
 
  1.78  105 N
 
  C)
 
  1.45  105 N
 
  D)
 
  6.88  104 N
 
  E)
 
  7.04  105 N

Question 2

In any elastic head-on collision, the relative speed of the two objects after the collision has the same magnitude (but opposite direction) as before the collision, no matter what the masses are.
 
  Indicate whether the statement is true or false

[TheDev123]

Answer to Question 1

E

Answer to Question 2

TRUE