What happens during mitosis
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Referencing the product below, what is one serving size in cups? Brown rice: 20 cups of rice per container Servings per container: 40
_____ is the amount of energy given off by a star each second.
Your 20-kg brother Mickey is on a see-saw. If you have a massof 50-kg and are 2 meters away from the center of the see-saw, how far out would Mickey have to sit if he wants to applythe same force onto you that you apply onto him? meters
Why a soccer ball that is quickly rolling across a grass field slows and finally stops rolling
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We can't see the light wave or the label.
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Answer:
Explanation:
The acceleration of an object is the rate of change of velocity of the object; it is given by:
where
u is the initial velocity of the body
v is its final velocity
t is the time elapsed
In this problem, we have:
u = 5.0 m/s is the initial velocity of the skater
v = 10.0 m/s is the final velocity
t = 5 s is the time elapsed
Therefore, the acceleration of the skater is:
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Answer:
Big bang describes an ever expanding model of the universe.
Steady state theory explains a universe that always existed in the same state.
Explanation:
The two theories Big bang and Steady state are two of the theories that explain the origin of the universe in two different ways.
The Big bang model states that the universe is ever expanding and began from a singularity. It says that from that time universe is ever expanding creating new clusters of galaxies.
This was proved using mathematical formulae and models .
Steady state theory states that the density of matter remains unchanged due to the creation of matter. Observable universe is the same at any point of time is its summary.
Answer:
The big bang is the theory that describes how the universe emerges, it tells us that in the beginning all the space was contained in a space that was too small, and from there, it expanded rapidly until it reached the state of the universe that we know today, and that continues in expansion.
The theory of the oscillating universe describes a universe that begins and ends cyclically, it beging with something like the big bang, end ends in what is known as the big crunch, and so on. It says that the universe did not have a beginning but has always been restarting.
The theory of the static or steady state universe describes a type of universe uniform in space and time. And in which the universe has always remained the same regardless of where it is observed, wich is different from the other theories since the big bang theory says the universe had a beginning. In this theory it is claimed that the universe is homogeneous and isotropic. This theory is not very popular today.
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Welll ... we can do the math and the physics and get an answer
for you, but then we'll really want to step back into the real world
and see how feasible all of this is.
Kinetic Energy = (1/2) (mass) (speed)²
= (1/2) (1 kg) (30 m/s)²
= (1/2) (1 kg) (900 m²/s²)
= 450 kg-m²/s² = 450 joules .
That's the KE of the ball at the instant it leaves your hand,
moving at 30 m/s . Immediately after that, we don't know
what happens to it. It may lose speed, if you tossed it upward,
or it may gain speed, if you tossed it downward or horizontally.
As soon as its speed changes, so does its KE.
And now, a word from the real world:
' 30 m/s ' is about 67 miles per hour, and the ball weighs a little
over 2 pounds. Do you really think you could make that toss ?
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