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TEA [102]
3 years ago
12

For phyics again , pls !!!

Physics
1 answer:
CaHeK987 [17]3 years ago
3 0

Answer: same

Explanation: They both weigh a kilogram and there is no friction

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3 m

Explanation:

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Two children are riding on a merry-go-round that is rotating with a constant angular speed. Abbie is one meter from the center o
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Answer:

  • <em>Abbie’s acceleration is (1/2) Zak’s acceleration.</em>

Explanation

1. <u>Data</u>:

a) ω = constant

b) Abbie: r₁ = 1 m

c) Zak: r₂ = 2 m

d) Ac₁ = ? Ac₂

2. <u>Formulae</u>

  • Ac = ω² r

3. <u>Solution</u>:

a) Abbie:

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b) Zack:

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c) Divide Ac₁ / Ac₂

  • Ac₁ / Ac₂ =  ω² (1m) / [ω² (2m) ] = 1/2

⇒      Ac₁ = (1/2) Ac₂ = Ac₂ / 2 = 0.5 Ac₂

5 0
3 years ago
Post Test: Forces and Motion
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Answer: B to C

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EXPLAIN HOW ENERGY IS TRANSMITTED THROUGH A MEDIUM
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Answer:

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Explanation:

The Gravitational potential energy (PEG) gained by a mass lifted above the ground is given by

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m is the mass

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In this problem, we have

m = 250 kg

h = 0.5 m

So, the PE of the object is

PE=(250 kg)(9.8 m/s^2)(0.5 m)=1225 J

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3 years ago
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