Question

A regular tetrahedron has mass 10 kg and side length 1m. It is resting on a table with one face touching the table. What is the minimum energy required to flip it over onto another face?

a.10.15 J


b.8.29 J


c.20.5 J


d.14.64 J

Answer 1

Answer:

d.

Explanation:

It could well be called the mother of all conspiracy theories, the most audacious of all pseudo-scientific ideas, or the most useless of all Byzantine discussions. But prestigious philosophers, reputed physicists and millionaire technologists are considering the possibility that we and our world might not be real, but only part of a kind of video game, an enormously sophisticated simulation: the Second Life or The Sims of the future.