Which force is sometimes attractive and has an infinite range?
A. strong nuclear
B. weak nucl...
Physics, 11.03.2021 18:00 extasisjorge
Which force is sometimes attractive and has an infinite range?
A. strong nuclear
B. weak nuclear
C. gravitational
D. electromagnetic
Answers: 2
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The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.
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The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
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Answers: 1
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Answers: 2
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