One major difference between plant and animal cells is that plant cells are the only ones with ?
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1. You are driving south on the 405. You are in traffic so your speed is 35 miles per hour,(35 mi/hr). Calculate your speed in m/sec. Assume that there 1.609 meters in every mile.2. The Moon takes 27.25 days to make one revolution around the Earth. Calculate howmany seconds it takes for the Moon to make one revolution around the Earth.
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Physic its urgent1/ What is the total distance traveled by the object during the first 3 second2/What is the average speed of the object during the following interval in t=6 sec and t= 8 sec
Where did the heaven elements that make up the bulk of Earth originate:A In a supernova B In meteorites C In the Big Bang D In the Earth itself E In the Sun
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Frequency of a wave =
(speed of the wave) divided by (wavelength)
or
(1) divided by (period of the wave) .
Period of the wave =
(wavelength) divided by (speed of the wave)
or
(1) divided by (frequency of the wave) .
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Cirrus, cirrostratus and cirrocumulus are made up of ice crystals. It forms when the water vapor goes condensation at high altitudes in where the pressure on the atmosphere reaches the point from 600 mbar at 4000 meter above the sea level up to 200mbar at 12 000m above sea level. These clouds form thunderstorms, cyclones and contrails (a manmade cloud).
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Final answer:
Running the lid of a tight-fitting jar under hot water causes it to expand due to thermal expansion, which makes it easier to remove from the jar.
Explanation:
When the lid of a tight-fitting jar is run under hot water, it undergoes thermal expansion due to the increase in temperature. The expansion of the lid causes it to slightly loosen, making it easier to remove from the jar. This happens because metals have higher coefficients of expansion than glass, so the lid expands more than the jar itself.
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4. If the north pole of a bar magnet is brought near the _ pole of another magnet, the two magnets will repel one another.
5. A material that's attracted by a magnet but doesn't necessarily become a magnet itself is called
a/an _ material.
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Every magnet has two unlike poles.
The neutral region within a magnet lies between the north and south poles.
If the north pole of a bar magnet is brought near the north pole of another magnet, the two magnets will repel one another.
A material that's attracted by a magnet but doesn't necessarily become a magnet itself is called a ferromagnetic material.
What is magnet?
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets.
What are properties of magnet?
- Magnet will attract ferromagnetic substances.
- Like poles of the magnet repel each other and unlike poles attract each other.
- A suspended magnet always comes to rest in the north-south direction.
- The poles of the magnet are in pairs.
What is Ferromagnetic materials?
Ferromagnetic materials are those materials which exhibit a spontaneous net magnetization at the atomic level, even in the absence of an external magnetic field. When placed in an external magnetic field, ferromagnetic materials are strongly magnetized in the direction of the field.
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Answer:
Four metals other than iron that can be made to exhibit magnetic properties are nickel, cobalt, manganese, and chromium.
two
neutral region
north
magnetic
Explanation:
B) rotation of the earth.
C) orbit of the earth around the sun.
D) orbit of the sun around the earth.
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