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Readme [11.4K]
3 years ago
5

PLEASE HELP FAST PLEASE

Physics
1 answer:
Nady [450]3 years ago
4 0
A rift

b subduction

c hot spot 
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If a piece of iron is brought near a permanent magnet, the electrons within the atoms in the iron orient their spins to match the magnetic field force produced by the permanent magnet, and the iron becomes “magnetized.”

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Witch SI units are commonly used to measure mass and weight
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4 0
3 years ago
A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. its speed is 40 m/s when i
Alenkinab [10]

Given that,

Initial velocity , Vi = 0

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Acceleration due to gravity , a = 9.81 m/s²

Distance can be calculated as,

2as = Vf² - Vi²

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s = 81.55 m

For half height, that is, s = 40.77m

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Therefore, speed of roller coaster when height is half of its starting point will be 28 m/s.  

5 0
3 years ago
What is the difference between weight and mass?
Arlecino [84]

Mass is the amount of matter in a material while weight is a measure of how the force of gravity acts upon the mass.

5 0
3 years ago
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