A textbook weighs $$\(30 \mathrm{~N}\)$$ at sea level. Earth's radius is $$\(6,400 \mathrm{~km}\)$$. Which of the following is the best estimate of the textbook's weight on a mountain peak located $$\(6,000 \mathrm{~m}\)$$ above sea level?
A.
\(60 \mathrm{~N}\)
B.
\(15 \mathrm{~N}\)
C.
\(30 \mathrm{~N}\)
D.
\(7.5 \mathrm{~N}\)
Exam No：AP Physics 1 Problem Set 1 Year：2024 Question No：34
Answer:
A
Knowledge points:
3.4 Gravitational Field/ Acceleration Due to Gravity on Different Planets
Solution:
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