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Ostrovityanka [42]
3 years ago
15

What natural phenomena could serve as alternative time standards?

Physics
1 answer:
KonstantinChe [14]3 years ago
4 0

Answer:

Explanation:

radioactive decay, planetary orbit, speed of light, etc.

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The wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s. If the coefficient of kinetic f
Amiraneli [1.4K]

Answer:

  x = 76.5 m

Explanation:

Let's use Newton's second law at the point of contact between the wheel and the floor.

     fr = m a

     fr = miy N

     N-W = 0

     N = W

     μ mg = m a

     a = miu g

    a = 0.600 9.8

    a = 5.88 m / s²

Having the acceleration we can use the kinematic relationships to find the distance

     v_{f}² = v₀² + 2 a x

    v_{f} = 0

    x = -v₀² / 2 a

Acceleration opposes the movement by which negative

   x = - 30²/2 (-5.88)

   x = 76.5 m

8 0
3 years ago
WILL MARK BRAINLIST. HELP ASAP
Pachacha [2.7K]

Answer:

Less than the distance

3 0
3 years ago
During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a vel
zmey [24]

Answer:

Mass of receiver is 92 kg        

Explanation:

We have given mass of tackler m_1=100kg

Let the mass of receiver is m_2kg

When tackler moving alone velocity is v_i=4.8 m/sec

And when tackler and receiver is together velocity is v_f = 2.5 m/sec

So from conservation of momentum

m_1v_i=(m_1+m_2)v_f

100\times 4.8=(100+m_2)\times 2.5

2.5m_2+250=480

2.5m_2=230

m_2=92kg

So mass of receiver is 92 kg

4 0
3 years ago
Pre-Algebra and Physical Science
PolarNik [594]

Answer:

Hey pal what is the question

4 0
2 years ago
Read 2 more answers
How can you remember meiosis 1 and meiosis 2
Marianna [84]

Answer:

Once you know the differences between meiosis 1 and 2, you will remember it easier.

Explanation:

Meiosis 1 starts with 1 diploid cell Meiosis 2 starts with 2 haploid cells,

each with a homologous pair

Meiosis 1 results in 2 daughter cells Meiosis 2 results in 4

7 0
3 years ago
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