The correct answer is
<span>B. if Earth rotated on an axis that was not tilted with respect to Earth's orbit
In fact, the fact that Earth's axis is tilted is the reason why the durations of day and night are different in every part of the Earth. If the axis was not tilted, we would have exactly 12 hours of day and night in every point of the Earth, for the whole year.</span>
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Answer: Something that's vibrating, and you also need medium for those vibrations to start in.
I hope this helped!
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- Zack Slocum
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Answer:
the horizontal distance covered by the cannonball before it hits the ground is 327.5 m
Explanation:
Given;
height of the cliff, h = 210 m
initial horizontal velocity of the cannonball, Ux = 50 m/s
initial vertical velocity of the cannonball, Uy = 0
The time for the cannonball to reach the ground is calculated as;
The horizontal distance covered by the cannonball before it hits the ground is calculated as;
![X = U_x \times \ t\\\\X = 50 \times \ 6.55\\\\X = 327.5 \ m](https://tex.z-dn.net/?f=X%20%3D%20U_x%20%5Ctimes%20%5C%20t%5C%5C%5C%5CX%20%3D%2050%20%5Ctimes%20%5C%206.55%5C%5C%5C%5CX%20%3D%20327.5%20%5C%20m)
Therefore, the horizontal distance covered by the cannonball before it hits the ground is 327.5 m
It has 99 electrons because an element has the same number of protons and electrons
Anton Von Leeuwenhoek, in the early 1600s, saw these tiny microbes and called them "animalcules" and "wee beasties".