If an object, beginning at rest, is moving at a speed of 700 m/s ...

[gbarreiro]

If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s2 ) is ________. (Assume that the rate of acceleration is constant.)
 
  A) 1.16  105
  B) 255
  C) 193
  D) 4.24
  E) 1.53  104

Question 2

The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is ________.
 
  A) Ag
  B) Pd
  C) Cd
  D) Cu
  E) Cs

[huda]

Answer to Question 1

D

Answer to Question 2

A

[gbarreiro]

Thanks

[huda]

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