Odpowiedź:
d=70cm=0,7m
n=800
t=60s
m=4kg
T=t/n
T=60s/800
T=0,075s
v=2πr/T
v=2*3,14*0,7m/2*0,075s
v=29,3m/s
F=mv²/r
F=2*4kg*(29,3m/s)²/0,7m
F=9811,3N
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Verified answer
Odpowiedź:
d=70cm=0,7m
n=800
t=60s
m=4kg
T=t/n
T=60s/800
T=0,075s
v=2πr/T
v=2*3,14*0,7m/2*0,075s
v=29,3m/s
F=mv²/r
F=2*4kg*(29,3m/s)²/0,7m
F=9811,3N
Wyjaśnienie: