3 years ago

ANSWER ASAPPPPPPPP BE 100% CORRECT

Physics

1 answer:

AfilCa [17]3 years ago

7 0

Mass of a sample of gas doesn't change, no matter what happens to its pressure, volume, or temperature.

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Using what you know about the periodic table, choose all of the correct answers,

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Answer:

What are the choices?

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Un autocar que circula a 81 km/h frena uniformemente con una aceleración de -4,5 m/s2.

horsena [70]

Answer:

a) $\Delta x=56.25 m$

b) imagen adjunta

Explanation:

a) Primero debemos hacer la conversión de 81 km/h a m/s, esto es 22.5 m/s.

Ahora, usando la ecuacion cinemática, en un movimiento acelerado tenemos:

$v_{f}^{2}=v_{0}^{2}+2a \Delta x$

Queremos encontrar la posición hasta detenerse, osea vf = 0.

$\Delta x=\frac{-v_{0}^{2}}{2a}$

$\Delta x=\frac{-22.5^{2}}{-2*4.5}$

$\Delta x=56.25 m$

b) Para este caso el gráfico se encuentra adjunto.

Espero que te sirva de ayuda!

Download pdf

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4 years ago

What is the medium the energy in the slinky wave travels through?

vlabodo [156]

Answer:

The metal coil of the slinky

Explanation:

The wave travels on the actual slinky which we see deforming as the wave goes through.

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3 years ago

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If you want to know how energy will move between two objects, what do you

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Hope my answer has helped you!

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The answer is D using the work formula
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