No thats false. If your trying to say is true that people BELIEVED that then yes its true people believed it but if your talking about that question then its false
Answer:
OHJIPUBGV008 NIMO,7TBVYU
Explanation:
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Two elements are mingled together without combining chemically
Answer:
a) Earth
Explanation:
When constructing an accurate scale model of the solar system on a football field with the Sun at one end and Neptune at the other, the planet closest to the center of the field would be Earth.
From the given options the earth is the closest planet to the center of the field. The center of the field can be considered as the sun. In reality we have mercury as the closest planet in our solar system.
Answer:
<h3>143.815 N</h3>
Explanation:
when a person is pushing a carton in an inclined plane there is two forces acting against the applied force,
- component of gravity or mgsinθ
the carton goes up ( constant velocity ) only if sum of these two forces becomes equal to applied force
from the question,
weight of the carton,mg = 245 N
angle of incline,θ = 15°
coefficient of friction, μ = 0.340
∵ the applied force, F = mgsinθ + μmgcosθ
= mg ( sinθ + μcosθ)
= 245 ( sin 15° + 0.340 cos 15°)
= 245 ( 0.259 + 0. 328)
= 143.815 N
