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bixtya [17]
3 years ago
12

Metals are good thermal conductors – that is, when there is a temperature difference across their ends, they transfer

Physics
2 answers:
Ganezh [65]3 years ago
4 0

Answer:

A)Low specific heat capacity

Explanation:

Heat capacity measure what quantity of heat is necessary to increase 1 degree of temperature a unitary mass body of some material. Good thermal conductors need a low amount of heat to increase its temperature to a unit mass, so I would expect low heat capacity in thermal conductors like metals.

notsponge [240]3 years ago
3 0
You would expect a thermal conductor to have low specific heat capacity, so it can hold more heat at a given time and transfer it.
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An object is 27.0 cm from a concave mirror of focal length 15.0 cm. find the image distance.
pantera1 [17]

The distance of the Image will be -33.75 cm

A concave mirror has an inward-curving reflecting surface that faces away from the light source. Unlike convex mirrors, a concave mirror's image forms a variety of images based on the object's proximity to the mirror.

Given that, an object placed 27 cm from a concave mirror having the focal length of 15 cm

We have to find distance of the Image

Using Mirror Formula:

1/f = 1/v + 1/u

Where,

f = focal length

v =  Image distance from the mirror

u = object distance from the mirror (concave)

Substitute the known values in the above formula to find the value of 'v' i.e. from the mirror.

1/(-15) = 1/v + 1/(-27)

1/(-15) = 1/v - (1/27)

1/v = -0.029

v = -33.75 cm

Therefore the distance of the Image will be -33.75 cm

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brainly.com/question/9816370

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8 0
2 years ago
The galaxy M33 is the third largest galaxy in the Local Group after M31 and the Milky Way. The galaxy M33 has a moderate-sized c
azamat

Galaxy M33 is classified as a Triangulum normal spiral.

The galaxy M33 is the third largest galaxy in the Local Group after M31 and the Milky Way. The galaxy M33 has a moderate-sized central bulge and two spiral arms that emerge directly out of the bulge and wrap around in rather poorly defined arcs with many cross-connections between the arms.

This spiral galaxy is located in the triangle shaped constellation earning a pet name as triangular galaxy. This galaxy star formation rate is ten times higher than average found in Andromeda galaxy.  It has relatively bright apparent. This galaxy was given by Charles Messier and he classified it as Triangulum normal spiral.

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8 0
2 years ago
The density of lead is 11.3 g/cm 3. What mass of lead is required to make a 1 cm 3 fishing sinker?
Aliun [14]

Answer:

11.3 g

Explanation:

given,

density of the lead = 11.3 g/cm³

volume = 1 cm³

mass of the lead = ?

we know,

density=\dfrac{mass}{volume}

mass = volume x density

mass = 1 x 11.3

mass = 11.3 g

hence, the mass of the lead is equal to 11.3 g

5 0
3 years ago
Read 2 more answers
Define constant speed
mash [69]
It is the speed at which a body moves without any interuptions (external forces etc)
7 0
3 years ago
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When an electron in a certain excited energy level in a one-dimensional box of length 2.00 Å makes a transition to the ground st
Fiesta28 [93]

Answer:

Calculate the wavelength associated with an electron with energy 2000 eV.

Sol: E = 2000 eV = 2000 × 1.6 × 10–19 J

5 0
3 years ago
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