PHYSICS HIGH SCHOOL

What happens during a muscle contraction

Answers

Answer 1
Answer:

Answer:

What happens during a muscle contraction?

During a muscle contraction, the sliding of the filaments pulls the Z discs of a sarcomere closer together, then shortens the sarcomere. This is when muscle contraction happens!

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Answers

Answer:

number 2!

Explanation:

Answer:

2s to 4s

Explanation:

Since the graph measures acceleration over time, when the line does not move up or down is when you can see a constant velocity.

What is the biggest planet in our galaxy

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We won't be able to answer that until we've seen all of them and
we know that there aren't any more that we haven't seen yet.

There are estimated to be between 200 billion and 400 billion stars
in our galaxy, and a large part of the stars in the galaxy aren't visible
to us.  So you can see that it's going to take some time before we're
able to answer your question.  Check back with us next Tuesday.

Question 2 ) Ally sliced 32 kg of water melon for a party . She divided the watermelon slices equally between 8large bowls. How many grams of watermelon did Ally put in each bowl? ​

Answers

32kg divided by 8 is equal to 4kg.
4kg converted to grams is:
4 x 1000, so
Ally put 4000 grams of Watermelon in each bowel.

What energy resourse is made from the remains of fossolized sea animals

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Oil was created from the remains of sea animals and plants.

Answer=Oil
fossil fuel, in other words oil.

What is the pressure exerted by a column of water 80 cm high ?
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Answers

Answer:

P=7,840\ Pa

Explanation:

Pressure Exerted by a Column of Liquid

The pressure P exerted by a column of liquid of height h and density ρ is given by the hydrostatic pressure equation:

P = ρgh

Where ρ is the density of the liquid, g is the acceleration of gravity g=9.8m/s^2, and h is the height of the column of liquid.

The data provided is as follows:

\rho=1000\ Kg/m^3

g=9.8m/s^2

h=80\ cm = 0.8\ m

The pressure is:

P = 1000\ Kg/m^3\cdot 9.8\ m/s^2 \cdot 0.8\ m

\boxed{P=7,840\ Pa}

What activities can you do on Jupiter?!

Answers

falling, you can also suffer from severe radiation sickness and be crushed.
Other Questions
Which has greater buoyant force, light corn syrup or the vegetable oil?
A crate with a mass of 3.00 kg starts from rest at the top of a 27.0∘ incline and slides 2.00 m down the incline in 1.60 s. (a) What is the magnitude of the acceleration of the crate (in m/s² )? (b) What is the frictional force (in N) acting on the crate? (Enter the magnitude.) (c) What is the coefficient of kinetic friction between the crate and the incline? (d) What is the speed of the crate (in m/s ) after it has slid 2.00 m ?
A net force of -1,000 Newtons is delivered to the object over a time of .02 seconds. Calculate the new velocity of the object.
An ice skater applies a horizontal force to a20.-kilogram block on frictionless, level ice, causing the block to accelerate uniformly at 1.4 meters per second2 to the right. After the skater stops pushing the block, it slides onto a region of ice that is covered with a thin layer of sand. The coefficient of kinetic friction between the block and the sand-covered ice is 0.28. On the diagram in your answer booklet, starting at point A, draw a vector to represent the force applied to the block by the skater. Begin the vector at point A and use a scale of 1.0 centimeter = 5.0 newtons.