As a result of mitosis, the cels of a Molecular organism sure which of these properties select to correct answers. A. All cells have the same number of chromosomes. B. The number of chromosomes varies amongst the cells C. All cells have identical genetic information. D. Genetic information varies among the cells.
Answers
Answer:
C. All cells have identical genetic information.
Answer:
A and C
Explanation:
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When you decrease the length of the effort arm on a lever which of the following happens to effort force? A. Force will decrease B. Force will increase C. Force will vary D. Force will remain the same.
Answers
Well, you see, I don't think Alana really is the reference frame.
Call me paranoid, but I think you changed the reference frame
during the question, and didn't tell us.
In which reference frame is the 19 km/hr measured ?
It CAN'T be Alana's reference frame. Your own reference
frame moves along with you, and you can't move in it, even
if your name is Alana.
If Alana is the reference frame, and she throws the tennis ball
at 11 km/hr, then the speed of the ball is 11 km/hr in Alana's
reference frame. Her reference frame moves with her, so
it makes no difference how fast she is skateboarding in any
other reference frame, who she throws the ball at, or whether
or not he sees it coming and catches it.
Yes, this stuff can get confusing. And if you think it's bad now,
wait till you start reading some of Prof. Einstein's stuff, where
two people in the same reference frame can watch the same
tennis ball, and not even agree on how fast it's moving, because
THEY're both moving and their own motion makes their rulers
and clocks change ! So they measure different speeds, and
they're both right !
But I got distracted. I'm sorry. The point I'm trying to make,
right now when you're just starting to learn reference frames,
is that EVERY time you say a speed, you have to tell which
reference frame the speed is in. Because, as you're starting
to learn, the same object can have a different speed in every
reference frame.
And, just in case you're thinking about this later today
and you want to ask "Which one is the REAL speed ?" . . .
THAT's the whole point of learning about reference frames !
There is NO SUCH THING as REAL speed. It ALWAYS
depends on which reference frame it's measured in. They're
all different, they're all real, and they're all correct.
The first thing we must do for this case is to define a frame of reference.
We know that, the frame of reference for this case is Alana.
Therefore, the tennis ball has a speed relative to Alana.
The speed relative to Alana, is the same speed with which Alana throws the tennis ball.
Therefore, the speed of the tennis ball is:
v = 11 Km/h
Answer:
The speed of the tennis ball is:
v = 11 Km/h
Answers
Wellll . . . that's not a very easy way to do it. You'd still need
to figure out a way to measure the wavelength AND a way to
measure the frequency, so you won't find many engineers
actually trying to determine the wave speed by doing all of that.
But your statement is correct. The product of
(wavelength) times (frequency)
IS the speed of the wave.
Answers
The second image showing an electromagnet is an example of the electromagnetic force in action therefore the correct option is B
What is electromagnetic force?
It is a type of force that occur between electrically charged particles. The electromagnetic force is the combination of all the electrical and magnetic forces generated from any charged particle,
These electromagnetic forces either be attractive or repulsive.
The force generated from a simple bar magnet is an example of the electromagnative force, hence the correct option is B
Learn more about electromagnetic forces
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Answer:
the answer is A the one that has the green ball as particles
Explanation:
B) Electrons are added to two negatively charged objects.
C) Two oppositely charged objects are moved farther apart.
D) The charge on two positively charged objects is reduced.
Answers
By definition we have that the electric force is given by:
Where,
k: proportionality constant
q1: electric charge of object 1
q2: electric charge of object 2
d: distance between both objects
Therefore, to increase the electric power there are two possible cases:
1) Add more load to each object
2) Decrease the distance between objects.
The option that increases the electric force for this case is:
Electrons are added to two negatively charged objects.
This is because the values of q1 and q2 increase.
Answer:
A change that increases the electric force between objects is:
B) Electrons are added to two negatively charged objects.
Answer
B) Electrons are added to two negatively charged objects.
Explanation:
i took the test
b.atoms gain energy as a gas changes to a liquid.
c.atoms lose energy as a gas changes to a solid.
d.atoms lose energy as a gas changes to a liquid.
Answers
Answer:
option C
Explanation:
Answers
Force = Mass * Acceleration
= (1000 * 3) newton
= 3000 newton
So the amount of force that is required to move give the car an acceleration of 3m/s^2 is 3000 Newton.