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loris [4]
3 years ago
10

Can someone check if these are correct?? It’s a big part of my grade, there’s more questions at the bottom but I’ll just show th

ese for now

Physics
2 answers:
Andrei [34K]3 years ago
6 0
Yes it it if u need the last 3 I can help
erik [133]3 years ago
6 0
Yes all of theses are correct
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What part of the atmosphere contains dust, water vapor, and 75% of all gases
Alexeev081 [22]

Answer:

Troposphere

Explanation:

Our atmosphere yay

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3 years ago
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A wheel of diameter 30.0 cm starts from rest and rotates with a constant angular acceleration of 3.50 rad/s2 . At the instant th
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3 years ago
At what water temperature will additional heat energy need to be added before the temperature will change again?
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That would be 0 degrees Celsius aka the melting point of water.... If you look at the diagram I attached you notice that at 0 degrees Celsius it is flat, this is because much heat is needed at this point for water to rise to 1 degree... It is the same for the boiling point (100)

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3 years ago
What must two objects have for gravity to exist between them
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3 years ago
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Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial spe
iris [78.8K]

Answer:

Explanation:

1.  V_{x} = V_{0} * cos\alpha ⇒ 16*cos32 ≈ 13.6 m/s (13.56)

2. V_{y} = V_{0} * sin\alpha ⇒ 16* sin32 ≈ 9.4 m/s

3. y_{max} = \frac{v_{0}^2*sin^2\alpha}{2g}= \frac{16^2*sin^232}{2*9.8} (the g (gravity) depends on the country but i'll take the average g which is 9.2m/s^2)

y_{max} ≈ 3.6677+1.5 ≈ 5.2m

4.  x_{max} = \frac{v_{0}^2*sin(2\alpha)}{g}=\frac{16^2*sin(2*32)}{9.8} ≈ 23.5m (23.47)

5. -

answer 4 could be wrong, not certain about that one and i don't know 5

3 0
3 years ago
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