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Talja [164]
3 years ago
12

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is t

he outcome? What happens after an hour in vinegar?
Physics
1 answer:
elixir [45]3 years ago
3 0
The zinc nail will rust and in vinigar it will evaporate
hi im zac
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The recessive trait will always show up

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final velocity = initial velocity + (acceleration x time) <span>
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Consider a neutron star of radius 10 km that spins with a period of 0.8 seconds. Imagine a person is standing at the equator of
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Answer:

a = 616850.28 m/s²

Explanation:

Given that,

The radius of the neutron star, r = 10 Km

                                                     = 10,000 m

The time period of the neutron star, T = 0.8 s

The centripetal acceleration is given by the formula,

                                  a = v²/r

The linear velocity is given by the relation,

                                    v = rω

The time taken to complete one complete rotation is given by the relation

                                   T = 2π /ω

Where,

                                    ω = 2π / T

Substituting v and ω into the equation for centripetal acceleration. It becomes

                                    a = 4π²r/T²

Substituting the given values in the above equation

                                      a = 4π² x 10000 / 0.8²

                                         = 616850.28 m/s²

Hence, the centripetal acceleration of this person is, a = 616850.28 m/s²

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What kind of materials would you build your house out of to stay cool in a hot,
uysha [10]

Answer:

You would want to build it with bricks because with glass, the sunlight will come through. Also, make sure to have air conditioning.

Explanation:

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