<span>m=10^–18 кг
υ-?
hυ=mc², </span>
<span>υ=mc²/h,
</span><span>υ=10^-18*9*10^18/(6,6*10^-34)= 1,36*10^34.
Ответ: </span>
<span>1,36*10^34/10^32=136.</span>
D=19300 кг/м³
ℓ=√(Rm/<span>ρD)
</span>ℓ=100 м=0,1 км.
P=F/S=>mg/S S=200cm2=0.02m2
P=35kg*10H//0.02m2=<u>17500Па</u>