What is the explanation for how a modern transmission electron microscope (TEM) can achieve a resolution of about 0.2 nanometers
1 answer:
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Answer:
KE = 30,000 J
Explanation:
KE = mv²
KE = (600)(10)²
KE = (600)(100)
KE = (60000)
KE = 30,000 J
Answer:
the final temperature of the tea is 7.39⁰C.
Explanation:
Given;
mass of the tea, m = 375 g
specific heat capacity of the tea, C = 4.184 JJ/g°C
initial temperature of the tea, t₁ = 95°C
the final temperature of the tea, t₂ = ?
Energy lost by the refrigerator, Q = 137,460 J
The energy lost by the refrigerator is given by the following formula;
-Q = mc(t₂ - t₁)
-137,460 =375 x 4.184(t₂ - 95°C)
-137,460 = 1569(t₂ - 95°C)
Therefore, the final temperature of the tea is 7.39⁰C.