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4 years ago

Which of the following is a characteristic of a mixture? *

Physics

1 answer:

Valentin [98]4 years ago

5 0

Out of the given options, “It has varying properties” is the correct one about the characteristic of a mixture.

Answer: Option C

Explanation:

A mixture usually formed when more than one elements get mixed. In the process of forming a mixture, the constituent elements don’t drop their individual property and hence, the product shows mixed characteristics.

The prime characteristics of the mixture are that they show varying properties according to its constituent elements. All states of matter can combine to form a mixture such as air, ink, gunpowder, etc.

It’s generally easy to separate the elements of a mixture through physical processes. There is no variation of energy during the mixture formation and the proportion of the elements may vary.

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A 400-turn circular coil (radius = 1.0 cm) is oriented with its plane perpendicular to a uniform magnetic field which has a magn

kaheart [24]

Answer:

The Magnetic field is 59.13 mT.

Explanation:

Given that,

Number of turns = 400

Radius = 1.0 cm

Frequency = 90 Hz

Emf = 4.2 V

We need to calculate the angular velocity

Using formula of angular velocity

$\omega=2\pi f$

$\omega=2\times3.14\times90$

$\omega=565.2\ rad/s$

We need to calculate the magnetic flux

Relation between magnetic flux and induced emf

$\epsilon=NA\omega B$

$B=\dfrac{\epsilon}{NA\omega}$

Put the value into the formula

$B=\dfrac{4.2}{400\times\pi\times(1.0\times10^{-2})^2\times 565.2}$

$B=0.05913\ T$

$B=59.13\ mT$

Hence, The Magnetic field is 59.13 mT.

4 0

4 years ago

How much is the force of gravity on Mr.Arbo if his mass is 74.8kg?

PtichkaEL [24]

Answer:

Force due to gravity in earth = 74.8*9.8 = 733.04 N

Explanation:

We have mass of Mr. Arbo = 74.8 kg

Force of gravity = Weight = Mass * Acceleration due to gravity value of planet.

In earth acceleration due to gravity value = 9.8 $m/s^2$

So force due to gravity in earth = 74.8*9.8 = 733.04 N

4 0

4 years ago

A lever is used to lift a heavy rock. The rock has a mass of 800 N. It requires 200 N of force to lift the rock using the lever.

inna [77]

Answer:

The answer for this solution is 4

Explanation:

MA=L/E

800/200

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Answer:

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