Starting with the left-most column, populate the boxes from left to right withou

Question

Starting with the left-most column, populate the boxes from left to right without skipping empty boxes. Ties should be grouped in the same box. Suppose you are skate-boarding back and forth on a half-pipe as shown below. You skate as fast as you can down and back up the pipe, and when you get to the top of each side you show off with your favorite tricks as you turn around and start back down the pipe again. Rank your potential energy at the designated points on the half-pipe, from smallest to largest.

Explanation / Answer

We know that greater the height of any point, greater will be its gravitational potential energy. So the potential energy order will be...

c (smallest) < d < b < a= e( largest).

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