Potential energy is converted into kinetic energy. The following animation shows the relationship between potential and kinetic energy. Pay close attention to the graph showing the amount of potential and kinetic energy.

Answer the following questions. Replay the animation if you need help.

1. At which point or points (1-6) was there the greatest amount of potential energy? Interactive popup. Assistance may be required.

   Check your Answer

   number one - the highest point
2. At which point (1-6) was there the least amount of kinetic energy? Interactive popup. Assistance may be required.

   Check your Answer

   number one - the highest point
3. At which point or points (1-6) was there the greatest amount of kinetic energy? Interactive popup. Assistance may be required.

   Check your Answer

   numbers two and five
4. At which point or points (1-6) was there the least amount of potential energy?Interactive popup. Assistance may be required.

   Check your Answer

   numbers two and five
5. Complete this statement by choosing the correct words to fill in the blanks.
   

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   How does height (position) affect potential and kinetic energy?

   In this virtual lab, you will explore how height or position affects potential and kinetic energy. Copy the following table onto your own paper.

   	Mass (g)	Height (cm)	Trial 1		Trial 2		Trial 3		Average
   			Distance (m)	Time (s)	Distance (m)	Time (s)	Distance (m)	Time (s)	Distance (m)	Time (s)
   1 block
   2 blocks
   3 blocks

   
   

   Click on the "View This Step" button to begin the animation.

   Interactive popup. Assistance may be required.

   Sample Data

   	Mass (g)	Height (cm)	Trial 1		Trial 2		Trial 3		Average
   			Distance (m)	Time (s)	Distance (m)	Time (s)	Distance (m)	Time (s)	Distance (m)	Time (s)
   1 block	51.0	2	18.5	1.11	19.0	1.31	19.5	1.18	19.0	1.12
   2 blocks	51.0	4	25	1.13	25.5	1.36	26.6	1.23	25.67	1.24
   3 blocks	51.0	6	31.5	1.36	32.0	1.43	32.5	1.38	32.0	1.39

   

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   Answer the following questions.

   1. When did the ball have potential energy?
      Interactive popup. Assistance may be required.

      Check Your Answer

      When it was at the starting line or top of the ramp.
   2. When did the ball have kinetic energy?
      Interactive popup. Assistance may be required.

      Check Your Answer

      When it was released and moving down the hill.
   3. The velocity (speed) of an object is calculated by dividing the distance (d) traveled by time (t). Using the formula v= d ÷ t and the average distance and time, calculate the velocity of the ball at each height.

      	Velocity (cm/s)
      1 block	Interactive button. Assistance may be required. __________ 16.96
      2 blocks	Interactive button. Assistance may be required. __________ 20.70
      3 blocks	Interactive button. Assistance may be required. __________ 23.03

   4. As the height of the ramp increased, did the velocity of the ball speed up or slow down?
      Interactive popup. Assistance may be required.

      Check Your Answer

      As the height of the ramp increased, the velocity also increased.