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White raven [17]

3 years ago

5

Roseanne heated a solution in a beaker as part of a laboratory experiment on energy transfer. After a while, she noticed the liq

uid solution began to circulate within the beaker. What process involving heat transfer did Roseanne observe inside the beaker?

1 answer:

Anna35 [415]3 years ago

5 0

Water boilingis the answer

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Um carro viaja de uma cidade A a uma cidade B, distantes 200km.seu percurso demora 4 horas ,pois decorrida uma hora de viagem ,o

Aleksandr-060686 [28]

Answer: B

Explanation:

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3 years ago

What war the answers?

Wewaii [24]

~Hello There!~

An atom can be identified by its elemental number. The atomic number is equal to the number of protons located in the nucleus. The protons are positively charged particles. Each ion has a specific place in an atom. Electrons are located outside of the nucleus. The electrons are arranged by the electron shells in the atom(?). Each element has electrons that can only hold a certain number of electrons for each energy level. Electrons have many shells - the electron cloud/shell with the most energy is known as the valence(?). The valence electrons are located at the outermost shell of the electron cloud.

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3 years ago

If a paper is blue what color of light bounces off the paper

SashulF [63]

Blue bounces off the paper

7 0

3 years ago

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g We saw in class that in a pendulum the string does no work. We also saw that the normal force does no work on an object slidin

Ymorist [56]

Answer:

From question (a) and (b) the pendulum motion is perpendicular to the force so the normal force will do no work and the tension in the string of the pendulum will not work

$i.e Normal \ Force(N) = mg cos \theta$

And $\theta = 90$ so

$N = 0$

c

An example will be a where a stone is attached to the end of a string and is made to move in a circular motion while keeping the other end of the string in a fixed position

d

A dog walking along a surface which has friction, here the frictional force would acting in the direction of the motion and this would do positive work

Explanation:

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The International Space Station is in orbit around the Earth 380 km above the surface. Which statement accurately describes its

arlik [135]

It stays in orbit because it is continuously falling toward earth

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4 years ago