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creativ13 [48]
4 years ago
13

Find the mass of glass which has the same volume as 5.4 g of aluminium, if density of aluminum is 2700 kg/m3 and that of glass i

s 2.5 g/cm3.

Physics
1 answer:
White raven [17]4 years ago
4 0

Answer:

Mass of glass, m=5g

Explanation:

Soluton is in the attached jpg

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An electron traveling at a velocity v enters a uniform magnetic field B. Initially, the velocity and field are perpendicular to
Brut [27]

If the electron goes a distance d, the amount of work done on it by the magnetic field is zero.

Because magnetic force acts perpendicular to the direction of motion, it has no effect on any moving charge particle. As a result, speed won't change.

<h3>What is Magnetic field?</h3>
  • The magnetic influence on moving electric charges, electric currents, and magnetic materials is described by a magnetic field, which is a vector field.
  • A force perpendicular to the charge's own velocity and the magnetic field acts on it when the charge is travelling through a magnetic field.
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Learn more about Magnetic field here:

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6 0
2 years ago
Air is enclosed in a syringe at room temperature. The end is the pushed so the air only fills a 1/3 of the length of the syringe
borishaifa [10]

Answer:

A) Does not change

B) Decrease

C) Increasing

D) Increasing

Explanation:

When it pushes it's volume is reduced by 1/3 because it's Area is constant there for only volume is decreased. Then the number of molecules don't change

A) don,t change

B) Decreases

C) Density is increased because it mass doesn't change. there for

Mass = Density * Volume

When Volume is decreasing to keep mass constant Density will be increased.

D) Pressure is increased according to the boil's law. it says that for fixed mass and fixed temperature pressure is inversely proportional to the volume. then volume decrease pressure increase  

4 0
3 years ago
Read 2 more answers
What is the water table?
Setler [38]

The subsurface zone in which all openings of the rock are filled with water is called the zone of saturation.

8 0
4 years ago
Explain the relationship between brightness and distance. Explain by relating the brightness of the light to the energy of the l
Iteru [2.4K]

Answer:

What part of the light wave is related to the brightness of the light?

Amplitude

The amplitude of a wave tells us about the intensity or brightness of the light relative to other light waves of the same wavelength

The brightness of light is related to intensity or the amount of light an object emits or reflects. Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.

4 0
3 years ago
Which items would have this energy transformation: chemical energy -&gt; mechanical energy?
dsp73

Answer:

La transformación energética, transformación de la energía, conversión energética o conversión de la energía es el proceso de cambiar la energía de un tipo de energía a otro. En física, la energía es una cantidad que proporciona la capacidad de realizar un trabajo (por ejemplo, levantar un objeto) o proporciona calor. Además de ser convertible, de acuerdo con la ley de conservación de la energía, la energía es transferible a una ubicación u objeto diferente, pero no se puede crear ni destruir.

La energía en muchas de sus formas se puede utilizar en procesos naturales o para proporcionar algún servicio a la sociedad, como calefacción, refrigeración, iluminación o realizar trabajos mecánicos para operar máquinas. Por ejemplo, para calentar una casa, el horno quema combustible, cuya energía potencial química se convierte en energía térmica, que luego se transfiere al aire de la casa para elevar su temperatura.

Explanation:

5 0
3 years ago
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