Answer:
<h2>A. 80 m/s </h2>Explanation:
The velocity of the spacecraft can be found by using the formula
p is the momentum
m is the mass
From the question we have
We have the final answer as
<h3>80 m/s</h3>Hope this helps you
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1 answer:
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Answer:
K=24.17 x 10⁻² J s⁻¹c⁻¹m⁻¹
Explanation:
Rate of flow of heat through a material is given by the following expression
where Q is amount of heat flowing in time t through area A and a medium of thickness d having two faces at temperature difference δT . K is thermal conductivity of the medium .
Here Q = 3.34 x 10⁶/6 , t = 24 x 60 x 60 = 86400 s , A = .332 X .332 = .0110224 m² , δT = 104.7
Put these values here
K=24.17 x 10⁻² J s⁻¹c⁻¹m⁻¹