Imagine a 10 kg chunk of aluminum (density = 2.7 g/cm3) and a 10 g chunk of iron (density = 7.9 g/cm3).
2 answers:
Answer: C. The chunk of iron's volume is smaller than the chunk of aluminum's volume.
Step-by-step explanation:
Given: The mass of aluminum chunk = 10 kg
In grams , the mass of aluminum chunk = 1000 g [∵ 1 kg = 1000 g]
The mass of iron chunk =10 g
i.e The chunk of aluminum is more massive than the chunk of iron.
Density of Aluminum chunk =
Density of iron chunk =
The formula of volume is given by :-
Clearly, The chunk of iron's volume is smaller than the chunk of aluminum's volume.
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The observatory telescope has 22 times the magnifying power compared to the small telescope.
Data;
- small telescope = 150 times
- large telescope = 3300
To solve this question, we have to divide the large telescope by the small telescope to calculate it's magnifying power.
The magnification of the observatory telescope is 22 times greater or larger than the small telescope.
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