Official Answer
Answer
Iradiyo hepfo yumurongo ugumana impeta ikenerwa kenshi kugirango igabanye impagarara yibintu $ K_t $ muri shitingi cyangwa munzu. Ariko, niba radiyo $ R $ ari nini cyane, irashobora gutuma impeta igumaho 'gutembera' hanze ya ruhago munsi yumutwaro. Amategeko yintoki nuko radiyo itagomba kurenga $ 10 \% $ yuburebure bwa $ d $. Niba radiyo nini isabwa kugirango imbaraga zumunaniro zumuti, shim 'Square-Edged' shim igomba gushyirwa hagati yimpeta na radiyo kugirango itange ubuso bunoze.
