The law of inertia says that A) if there is no force on a ...

[rayancarla1]

The law of inertia says that
 
  A) if there is no force on a body, the body will have no acceleration.
  B) if there is a force on a body, the body will have a changing acceleration.
  C) if there is a force on a body, the body will have an unchanging velocity.
  D) if there is no force on a body, the body will have a changing velocity.
  E) if there is a force on a body, the body will have no acceleration.

Question 2

A batter hits a foul ball. The 0.14-kg baseball that was approaching him at 40 m/s leaves the bat at 30 m/s in a direction perpendicular to the line between the batter and the pitcher. What is the magnitude of the impulse exerted on the baseball?
 
  A) 9.8 N  s
  B) 1.4 N  s
  C) 3.5 N  s
  D) 5.6 N  s
  E) 7.0 N  s

[Ksh22]

Answer to Question 1

A

Answer to Question 2

E