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colbygreen6189
26.08.2020 •
Mathematics
Plz somebody help me
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Ответ:
C. 40,48,56
Step-by-step explanation:
As seen in the sequence, 16, 24, 32
24-16=8
32-24=8
This means that between each term, you just add 8 to get the next term
32+8=40
40+8=48
48+8=56
Hope this helps!! :)
Please let me know if you have any question
Ответ:
see explanation
Step-by-step explanation:
This is a newton's second law problem:
The pilot is sitting in the plane, therefore there is a normal force N exerted by the seat and his weight. There is also a centripetal force with value
Now 2nd law is takes the following form:
we have m = 72.5748 [Kg], r = 60.96 [m],![v_{top} = 134.112, v_{bottom}= 201.168](/tpl/images/0366/4740/cc0ca.png)
we can now replace the velocities for items a) and b)
a)![N = (72.5748*(201.168)^2)/(60.96)+72.5748*9.8 = 48.890 [N]\\](/tpl/images/0366/4740/ddbe6.png)
b)![N = (72.5748*(134.112)^2)/(60.96)+72.5748*9.8 = 22.124 [N]\\](/tpl/images/0366/4740/c4586.png)
c) If N is 0 we acheive weightlessness
, let r be the same (60.96) then v should be ![v=\sqrt{r*g}=\sqrt{60.96*9.8}=24.44 [m/s]](/tpl/images/0366/4740/7006a.png)
obviously.. any plane would stall at that velocity, but weightlessness is achieved