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Question
An ideal spring, with a pointer attached to its end, hangs next to a scale. With a 100-N weight attached, the pointer indicates "40" on the scale as shown. Using a 200-N weight instead results in "60" on the scale. Using an unknown weight X instead results in "30" on the scale. The weight of X is:
A) 20 N
B) 30 N
C) 40 N
D) 50 N
E) 75 N
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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Q:
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Q:
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Q:
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Q:
The resolving power of a telescope can be increased by:
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Q:
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Q:
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