2 1 3 * . K o s m o n a v t - u c h u v c h i l a r n i m a s h q q il d ir is h d a
3 8 - ra sm d a sx e m a tik ra v ish d a ta s v irla n g a n s e n trifu g a d a n
foydalaniladi. A gar k o sm o n av td an aylanish o ‘q ig ach a b o ig a n
m asofa 4 m , aylanish ch a sto ta si 30 a y l/m in b o i s a , m assasi
80 kg li k o sm o n av t o g irlig in in g m o d u lin i va y o ‘n alish in i
toping.
36
2 1 4 .
K o sm ik k e m a e rk in
u c h a y o tg a n d a richagli ta ro z i-
d a n fo y d a la n ib jis m m assasi
q a n d a y ta q q o sla n a d i? Prujinali
ta ro z id a n fo y d a la n ib -ch i?
R
2 1 5 .
K o s m i k
k e m a d a
«vaznsiz» b o lg ‘a b ilan zarb b e-
rib «vaznsiz» m ateria lg a ishlov
b erish m u m k in m i? S h u n i tu -
3 8 - rasm .
sh u n tirin g .
2 1 6 . O y d a o tilg a n jism u c h ib b o ra y o tg a n v a q td a t o ‘la
vaznsiz h o latd a b o ‘ladi. Y erda esa b u n d ay jism n i faqat taqriban
v aznsiz deyish m u m k in . N im a u c h u n shun d ay ?
2 1 7 . A v to m o b il ic h id a g i h ay d o v c h i b ir la h z a v az n siz
h o la td a b o ‘lishi u c h u n radiusi 40 m b o ig a n qavariq k o ‘p -
rik n in g o ‘rtasid an u q an d a y tezlik b ilan o i i s h i lozim ?
2 1 8 . M ars p lan eta sin in g radiusi 3380 k m , u n dagi erk in
tu sh ish tezlan ish i 3,86 m /s 2 b o is a , shu p la n e ta u c h u n birinchi
kosm ik tezlikni hisoblang.
2 1 9 . V eneraning massasi 4 ,9 • 1024 kg, radiusi esa 6100 km
b o i s a , shu p la n e ta u c h u n b irin c h i kosm ik tezlik n i hisoblab
chiqing.
2 2 0 . Y er a tro fid a o rb ita b o ‘ylab h ara k a tla n a y o tg a n O y
n ing o ‘rta c h a tezligini hiso b lan g ( 1 4 - jad v alg a q arang).
2 2 1 * . Y er sa th id a n 600 km b aland lik dag i o rb ita b o ‘ylab
aylanishi u c h u n s u n ’iy y o id o s h q an d a y tezlik k a ega b o iis h i
lozim ?
2 2 2 * . S u n ’iy y o id o s h n in g d oiraviy o rb ita b o ‘y ic h a ayla-
lang (b u n d a M - sayy o ran in g m assasi, R - y o id o s h o rb ita -
sin in g radiusi).
22 3* . Y er sirtid an 21600 km m aso fada h arak atlan ay o tg an
y o id o s h n in g aylanish davri Y er y u zid an 600 k m b alan d lik d a
h a r a k a tla n a y o tg a n y o i d o s h n in g a y la n ish d a v rid a n n e c h a
m a rta katta?
fo rm u la bilan an iq lan ish in i isbot-
37
Do'stlaringiz bilan baham: |