Answer to the Amazing Race Canada puzzle

Think you got the answer to our Amazing Race Canada challenge?

The tricky part that stumped a few teams is that you have to undo the square root to give yourself this equation:

Since dropping and timing the tennis ball is an inexact experiment, we couldn't expect teams to get exactly the same value for t.

So we accepted answers between 41 and 49 feet.

About PI

Perimeter Institute is the world’s largest research hub devoted to theoretical physics. The independent Institute was founded in 1999 to foster breakthroughs in the fundamental understanding of our universe, from the smallest particles to the entire cosmos. Research at Perimeter is motivated by the understanding that fundamental science advances human knowledge and catalyzes innovation, and that today’s theoretical physics is tomorrow’s technology. Located in the Region of Waterloo, the not-for-profit Institute is a unique public-private endeavour, including the Governments of Ontario and Canada, that enables cutting-edge research, trains the next generation of scientific pioneers, and shares the power of physics through award-winning educational outreach and public engagement. 

For more information, contact:
Communications & Public Engagement
Media Relations
416-797-9666