Recent content by tomcps

Oh now I see..😅😅 Sorry for wasting your time for answering my dumb question🙈🙈🙈

What I meant is collecting energy from air like 10 unit of 25°c air -> 9 unit of 20°c air + 1 unit of air which is hot enough to run the generator

Oh now i get it!

Wouldn't it be wonderful if we can "collect" the thermal energy and turn it into electricity😂😂 Such a shame that we can't make this feasible (yet?) 😂😂

I remember that the definition of temperature is the average kinetic energy. Then how about if I keep shaking a box, wouldn't the kinetic energy of the box increase and thus the temperature of it increase? (neglecting the thermal energy gain from friction) Also, is it possible to use...

Really? I am so confused now:cry:

Homework Statement The problem is shown on the photo. And the actual answer is A. 0.5s, and I thought it would be B. 1.0s Homework EquationsThe Attempt at a Solution Here is my thought, The journey from A to B is just a half period, then the whole period would be 4s, as a result, the time it...