Answer:
B)
Explanation:
The answer is B)- The object's speed must be changing.
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Answer:
Time period of second planet will be 126.40 days
Explanation:
We have given radius of first planet
Orbital speed of first planet
Radius of second planet
We have to find orbital period of second planet
Period of orbital is equal to
From the relation we can see that
Time period of second planet will be 126.40 days
Answer:
The buoyant force increases as the submersible enters the water, and it remains constant after the submersible is completely immersed.
Explanation:
The buoyant force acting on an object is given by:
where
is the density of the liquid
is the volume of the object immersed in the liquid
g is the gravitational acceleration
From the formula, we see that as increases, the buoyant force increases as well. Therefore, as the submersible is lowered into the water, the buoyant force gradually increases (because the immersed volume increases); however, when the submersible is completely immersed, no longer changes, so the buoyant force remains constant.
The correct answer for the question that is being presented above is this one: "Ultraviolet rays." The light you see around you from the Sun is called ultraviolet rays. <span>Sunlight is a portion of the electromagnetic </span>radiation<span> given off by the </span>Sun<span>, in particular infrared, visible, and ultraviolet </span>light<span>.</span>