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4 years ago

Which type of electronic community allows real-time discussion among members?

Physics

1 answer:

Brilliant_brown [7]4 years ago

4 0

Instant messaging is the type of electronic community that allows real-time discussion among members.

Instant messaging (IM) is a type of online chat which offers real-time text transmission over the Internet. A LAN messenger operates in a similar way over a local area network.

I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Explain why it is not advisable to use small values of i in performing triangular glass prism experiment

kifflom [539]

Is this about using triangular prisms in spectrometer experiments ? See enclosed

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4 years ago

the system shown above is released from rest. if friction is negligible, the acceleration of the 4.0 kg block sliding on the tab

JulsSmile [24]

The acceleration of the first block (4 kg) is -9.8 m/s².

The given parameters:

Mass of the first block, m₁ = 4.0 kg
Mass of the second block, m₂ = 2.0 kg

The net force on the system of the two blocks is calculated as follows;

$m_2 g - T = m_1 a$

where;

T is the tension in the connecting string due weight of the first block

$m_2 g - m_1 g = m_1 a\\\\a = \frac{m_2 g - m_1g}{m_1} \\\\a = \frac{g(m_2 - m_1)}{m_1} \\\\a = \frac{9.8(2-4)}{2} \\\\a = -9.8 \ m/s^2$

Thus, the acceleration of the first block (4 kg) is -9.8 m/s².

Learn more about net force on two connected blocks here: brainly.com/question/13539944

5 0

3 years ago

What is a colloid? Are either of the two substances in the beakers in the chart above a colloid?

fenix001 [56]

Answer:Colloids include gels and emulsions; the particles do not settle, and cannot be separated out by ordinary filtering or centrifugtion

Explanation:they are homogenous/non crystalline

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3 years ago

A boy throws a yo-yo downward and watches it climb back up. As the yo-yo is going down, which types of energy are changing? Tran

miv72 [106K]

A boy throws a yo-yo downward and watches it climb back up. As the yo-yo is going down it changes from potential to kinetic in rotational forms.
Rotational kinetic energy is used in the Yo-Yo.

Explanation:

When a boy throws a yo-yo downward its string for a distance h, loses its potential energy in amount and gains kinetic energy in both translational and rotational forms. As it climbs back it loses its kinetic energy and retrieves its potential energy.
In a modern Yo-Yo, the string is not tied to an axle, but loops around it. When Yo-Yo hits the bottom area of its string, a movement of an upward action of force on the axle from the string will stop the descent. Then Yo-Yo spins axle only with rotational kinetic energy.

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3 years ago

Two toy cars (16kg and 2kg) are released simultaneously on aninclined plane that makes an angle of 30` with the horizontal.Which

irina [24]

Answer:

Explanation:

On an inclination of 30°, the acceleration down the inclination will be gsinФ. So the acceleration will be ⇒

g Sin30° = (0.50) g

4 0

3 years ago