An iron robot falls from rest at a great height. Neglecting air resistance, what distance has it fallen in the first 3.5 seconds?
A. 49 m
B. 60 m
C. 98 m
D. 31 m
Answer: B
Physics & Space Science
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The concentration of oxygen in the atmosphere has been near or above its current value for the past
A) 200 million years B) 542 million years C) 65 million years D) 360 million years
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According to Newton, the gravity of the ________ is needed to explain planetary orbits
Fill in the blank(s) with correct word
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A solar eclipse can only happen during a ________ Moon
Fill in the blank(s) with correct word
Physics & Space Science
The molecular weight of carbon dioxide is 44.0 g/mol. What is the internal energy in 3.00 kg of carbon dioxide at 300 K? As an approximation, treat the carbon dioxide gas as if it was monatomic
A) 2.55 × 105 J B) 1.70 × 105 J C) 2.55 × 104 J D) 1.70 × 104 J E) 1.70 × 106 J
Physics & Space Science