Recent content by iFat

It's really bothering me, since the name is like on the tip of my tongue.

I got my argument. Thanks guys! It doesn't hurt.

You see the picture to the farthest left. Like if you're behind the airplane, where the waves start adding up, there is more frequency where as when you're behind the airplane like farthest to the right it takes time for each wave to pass you which makes the frequency lower which makes the pitch...

Does this work? "I can see how it is constructive interference. Constructive interference is where the sound waves add up in order to produce a shock wave. But however since we didn't learn what a shock wave is, it is closely related to Doppler effect because as you are in front of the boom...

That link doesn't provide any help.

Ok, so basically the question on a test was if a a sonic boom occurs because an airplane travels as fast as sound what is it an example of. a) interference b) Doppler effect c) something else d) something else. The correct answer which my teacher marked was interference, although I think it's...

I know the 20 HP does more work, but why? Is there a conversion unit where I convert 20 HP to Joules?

and the last one is E. =]

Thank you, that helped. For 1) I got C. 2) A C) C and still working on 4. =)

The question is if a meter stick is drawn in a bow so that it has 40 J of potential energy. When fired horizontally, the meter stick will have kinetic energy of _____. A) Less than 40 J B) More than 40 J C) 40 J I think it's C because of the conversation law. Energy can't be created or...