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Sergio039 [100]
3 years ago
10

Can a magnet attract a pure substance?

Physics
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

Magnets strongly attract materials  which already themselves have magnetic domains. They do not significantly attract many metals like gold, aluminum, silver, and even some types of high-chromium stainless-steel, which lack such domains. In fact, pure gold is slightly repelled.

Explanation:

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The stoplights on a street are designed to keep traffic moving at 26 mi/h. the average length of a street block between traffic ligh
bonufazy [111]

We use the formula,

v = \frac{d}{t}.

Here, v is velocity and its value given 26 mi/h ( in m/s,  \frac{26 \times 1.609 \times 10^{3} m}{60 \times 60 s} =11.62 \ m/s ) and d is distance and its value is given 80 m.

Substituting these values in above formula we get,

t = \frac{80 m}{11.62m/s } = 6.88 \ s

Thus, the time delay between green lights on successive blocks to keep the traffic moving continuously is 6.88 s


3 0
3 years ago
How far will an object move in one second if it average speed is 5m/s?
Sphinxa [80]

The object will move 5 meters per second (5m/s)

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4 years ago
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Which of these IS an example of balanced forces? A. a book on a shelf B. air rushing out of a balloon C. rolling over and fallin
babunello [35]

Forces are balanced when net force on the object is zero or the sum of all force on the object is zero.

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rolling over and falling off the bed , the object falls under gravity force.

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3 0
3 years ago
Dr. Spock would have supported which of the following actions by parents? (2 points)
vampirchik [111]
<span>A parent develops a set of rules collaboratively with her child.

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7 0
3 years ago
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A dog is 10 m from a cat, whose speeds are 6 and 5 m / s, respectively. What time does the dog require to catch the cat?
scoray [572]

Answer:

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