Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 28 - Think and Explain: 47

Answer

The instructor's left leg is supporting him.

Work Step by Step

The mirror is located between his legs. His left leg is hidden behind the mirror, and his weight is on it. The mirror's reflection of his suspended right leg appears to be his left leg, so it looks as though both of his legs are up in the air.
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