90.2 m/s. A rock dropped from rest after it has falling for 9.2 seconds will have a velocity of 90.2m/s.
The bodies left in free fall increase their speed (downwards) by 9.8 m/s² every second. The acceleration of gravity is the same for all objects and is independent of the masses of these. In the free fall the air resistance is not taken into account.
v = g*t
v = (9.8m/s²)(9.2s) = 90.2 m/s
In the increasing size order, they are Universe, Andromeda galaxy, solar system, Arcturus, Sun, Earth.
- The universe, cosmos contains all things. It has countless billions of galaxies.
- The Andromeda Galaxy, together with the Triangulum Galaxy and about 30 other smaller galaxies, is the largest galaxy in the Local Group, which also contains the Milky Way.
- A solar system comprises a star and all its planets, asteroids, comets, and other celestial bodies. It is considerably bigger in the universe, cosmos than a star.
- Arcturus is a huge red star in the Northern Hemisphere of the Earth's atmosphere. When the sun has evolved into a red giant, it will look like Arcturus. Arcturus has a diameter that is roughly 25 times greater than the sun and earth.
Learn more about the universe here:
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The answer is chloroplasts.
a) When the screen is moved closer towards the slit, the interference fringes will overlap on one another, resulting in an interference pattern that is less sharp and has low intensity
b) When the red filter is replaced with a blue filter, the width of the fringes would decrease. This means that the fringes would be closer and the pattern becomes narrower.
Answer:
1.54 m
Explanation:
The time the cat sees the pot going up will be half of the total time the cat saw the pot. The same is true for the pot going down.
t = Time taken
u = Initial velocity
v = Final velocity
s = Displacement
a = Acceleration due to gravity = 9.81 m/s²
This will be the initial velocity while going up higher
The the flower pot will go 1.54 m above the window
