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Vitek1552 [10]
3 years ago
11

Can you pls give a question about science. like why does the sky blue? PLS HELPPP ASAP ​

Physics
1 answer:
Aleonysh [2.5K]3 years ago
6 0
I can why do plants grow fast?
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An oven uses 4500 watts of power in 2 minutes, how much work was done?
jolli1 [7]
First of all we state the formula
Power=work done/time
we can rearrange this formula as well
work done=power x time

Since the SI unit of time is in seconds we change the minutes to seconds
2mins= 60x2 = 120 seconds

Using our formula (work done=power x time) we simply put in the values
work done = 4500 x 120
work done = 540,000J
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2 years ago
Bacteria which do not live in extreme conditions are found in this kingdom:
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The bacteria that doesn’t live in extreme conditions is Eubacteria
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2 years ago
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A racetrack curve has radius 70.0 m and is banked at an angle of 12.0 ∘. The coefficient of static friction between the tires an
zubka84 [21]

Answer:

See attachment below

Explanation:

7 0
3 years ago
The curved section of a speedway is a circular arc having a radius of 190 m. this curve is properly banked for racecars moving a
Anestetic [448]

The banking angle of the curved part of the speedway is determined as 32⁰.

<h3>Banking angle of the curved road</h3>

The banking angle of the curved part of the speedway is calculated as follows;

V(max) = √(rg tanθ)

where;

  • r is radius of the path
  • g is acceleration due to gravity

V² = rg tanθ

tanθ = V²/rg

tanθ = (34²)/(190 x 9.8)

tanθ = 0.62

θ = arc tan(0.62)

θ = 31.8

θ ≈ 32⁰

Learn more about banking angle here: brainly.com/question/8169892

#SPJ1

8 0
2 years ago
Compared with a force, a torque involves
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A rotational movement.
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