Here's my attempt at answering my own questions:
Impulse = \int F dt = change In Momentum = mv_1-mu_1
For an elastic collision, the change in momentum for one of the objects is is 30*5-30*(-5)=300
For an inelastic collision, the change in momentum for one of the objects is is...
Aha! Thanks! So it depends on whether the collision is elastic or inelastic, which tells you whether kinetic energy is conserved or not. Assuming a perfectly elastic collision, our new velocities for the collision described in my original post would be would be...
Let's say two equally massive objects move toward each other at equal velocities (let's use 30 kg and 5 m/s for the sake of having some numbers).
Will the objects bounce off of each other or will they both stop in place? If they bounce off each other, at what velocity?
The momentum...
I had no idea how deep this rabbit hole is. I'm going to go do some independent research and then come back because I'm determined to figure this whole business out. Good discussion so far.
Hmmm... I'm failing to understand this.
Let's say you tune into the 680 channel on the AM dial. What you are doing is tuning into a 680 kHz carrier signal with the sound sinusoid encoded into it by varying the carrier amplitude in the same pattern as the sound sinusoid. Isn't this 680 channel...
Beautiful answer. Thank you!
What if you're not sending the signal through the air to an antenna but are instead using, say, a coaxial cable? Will modulating the signal onto a higher frequency sinusoid have any benefit in this case? Is there something at the end of a coaxial cable connection...
Why modulate the "data" sinusoid onto a "transmitter" sinusoid?
(Sorry about the simple question but this stuff isn't exactly my specialty)
From howstuffworks.com ...
Why can't you just send the sine wave produced by a person's voice directly through the air (or whatever channel you are...
Is this following correct? :
When you push a crate along the floor at a constant velocity for a long time, you get tired which indicates that you are tranferring some of your energy to the object, i.e. you are doing "work" on the object. But according to the definition of work[1] which...
Why do "black bodies" emit light at all wavelengths when heated?
Light emitted from an object is made of photons that are emitted when electrons drop into lower energy states. And there are only certain energy states in an atom that electrons can occupy, so only certain wavelengths (aka...