Work-Kinetic Energy Balance - Example 7.3-1

 

Consider two air hockey pucks resting on the table with the air on as shown in the figure. The two pucks are pushed across the table with a constant and equal force F.

 

 

Neglecting friction, which puck will have the greater kinetic energy upon reaching the goal line?

 

puck A
puck B
Both pucks will have the same kinetic energy.
Not enough information is given to answer the question.

 

 

 

 

 

Which puck will reach the goal line first?

 

puck A
puck B
Both pucks will reach the goal line at the same time.
Not enough information is given to answer the question.