The best and most correct answer am<span>ong the choices provided by your question is the first choice or letter A.
</span><span>Quantum mechanics is different from classical mechanics because: quantum mechanics describes changes on the subatomic scale better than classical mechanics does.</span>
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<u>P</u><u>e</u><u>r</u><u>s</u><u>o</u><u>n</u><u>-</u><u>1</u>
- Initial velocity=u=0m/s
- Final velocity=v=10m/s
- Time=10s=t
<u>P</u><u>e</u><u>r</u><u>s</u><u>o</u><u>n</u><u>-</u><u>2</u>
- initial velocity=0m/s=u
- Final velocity=v=0.25m/s
- Time=t=2s
Person-1 is accelerating faster.
Beta particles are negatively charged. Electromagnetic Radiation is pure energy (Gamma). The largest particles are alpha.
When material stuff is free to move, it moves away from stronger force on it to weaker force on it. OK ? Now take it to the next step: When material stuff is free to flow ... like liquid or gas ... it flows from higher pressure to lower pressure. That's what makes wind, and that's why water comes out of a garden hose when you open the nozzle. It doesn't amaze you at all when you INCREASE the pressure at one end of the straw (blow into it), and air moves DOWN and out of it. So it shouldn't bother you that when you DECREASE the pressure at your end, anything that's free to flow UP the straw will do that.