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Which forces affect a baseball's speed as it rises after being hit by a bat?
A. net force and drag
B. applied force and net force
C. gravity and drag
D. applied force and gravity

Respuesta :

skyluke89

C) Gravity and drag

Explanation:

Here we are considering the ball after it has been hit by a bat.

When the ball is in the air, there are only two forces acting on it:

  • The weight of the ball (force of gravity), acting downward. Its magnitude is given by [tex]F_g = mg[/tex], where m is the mass of the ball and g is the acceleration of gravity
  • The air drag, which is the resistance of the air on the ball, acting downward as well (it acts against the direction of motion of the ball). The magnitude of this force is proportional to the speed of the ball

There is no applied force on the ball, since that one only acts on the ball when it is in contact with the bat - however, when the ball is in the air, the applied force no longer acts on the ball.

Therefore, the correct answer is

C. gravity and drag

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Answer:

C) Gravity and drag

Explanation:

Here we are considering the ball after it has been hit by a bat.

When the ball is in the air, there are only two forces acting on it:

The weight of the ball (force of gravity), acting downward. Its magnitude is given by , where m is the mass of the ball and g is the acceleration of gravity

The air drag, which is the resistance of the air on the ball, acting downward as well (it acts against the direction of motion of the ball). The magnitude of this force is proportional to the speed of the ball

There is no applied force on the ball, since that one only acts on the ball when it is in contact with the bat - however, when the ball is in the air, the applied force no longer acts on the ball.

Therefore, the correct answer is

C. gravity and drag

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