A 1938-nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, ...

[P68T]

A 1938-nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its density?
 
  A)
 
  29.1  103 kg/m3
  B)
 
  7.26  103 kg/m3
  C)
 
  9.25  103 kg/m3
  D)
 
  2.31  103 kg/m3
  E)
 
  71.2  103 kg/m3

Question 2

The net force acting on an object is equal to the rate of change of its momentum.
 
  Indicate whether the statement is true or false

[Kimmy]

Answer to Question 1

B

Answer to Question 2

TRUE

[P68T]

Thanks for the timely response, appreciate it

[cassie_ragen]

Great answer, keep it coming