Quantum Mechanics Answers

A stone falls freely from the top of a cliff into the sea. Air resistance may be ignored. Which graph shows how the acceleration of the stone varies with time as it falls?

14) A particle of mass m moves according to

2 3

x = x + at , y = bt , z = ct , where a, b and c are

constants.(a)Find the angular momentum L

r

at any time. (b) Find the force F

r

, and from it the

torque τ

r

acting on the particle. Verify that these quantities satisfy

dL

r F

dt

= × =τ

What is the explanation (or possible explanation) for why quantum mechanics disappears and classical mechanics emerges for everyday objects?

Both a normal computer and quantum computer use binary code (0s and 1s), so what is the benefit of a quantum computer?

For quantum teleportation to occur, what is required to happen to the original object?

What is a proposed useful application of entanglement, which has been a dream of science fiction writers?

What action causes an electron's "probability wave" to collapse into a single location?

How does the motion of a classical object (like a bowling ball) compare to the motion of a quantum object (like an electron) when passing through two slits?

Bohr's theory of quantum mechanics created conflict with what famous scientist?

Where does the phrase "quantum leap" come from?