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Zarrin [17]
3 years ago
15

Can anyone help me? Physics

Physics
1 answer:
olga2289 [7]3 years ago
5 0
I cannot read please show closer
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1) On the way to the moon, the Apollo astro-
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(1) You must find the point of equilibrium between the two forces,

<span>G * <span><span><span>MT</span><span>ms / </span></span><span>(R−x)^2 </span></span>= G * <span><span><span>ML</span><span>ms / </span></span><span>x^2
MT / (R-x)^2 = ML / x^2

So,

x = R * sqrt(ML * MT) - ML / (MT - ML)
R = is the distance between Earth and Moon.

</span></span></span>The result should be,
x = 3.83 * 10^7m
from the center of the Moon, and 

R - x = 3.46*10^8 m
from the center of the Earth.


(2) As the distance from the center of the Earth is the number we found before,
d = R - x = 3.46*10^8m
The acceleration at this point is
g = G * MT / d^2
g = 3.33*10^-3 m/s^2
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The instrument is a Geiger counter and is used to measure radioactive level around people's bodies.
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How much force is needed to stop a 4000 kg truck moving at 8 m/s in 0 2 seconds?​
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