Ula

This page lists questions and answers that were posted by visitors named Ula.

Questions

The following questions were asked by visitors named Ula.

A 20 kg cannonball is fired from a 2.4 x 103 kg. If the cannon recoils with a velocity of 3.5 m/s backwards, what is the velocity of the cannonball?

Answers

The following answers were posted by visitors named Ula.

If the first qubit is in the state 2/sqrt(5)|0> - 1/sqrt(5)|1> and the second qubit is in the state 1/sqrt(2)|0> - i/sqrt(2)|1>, what is the state of the composite system?

I tried it out now with the hint of Supraconductor but could not figured out. Did somebody manage it please?