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evablogger [386]
3 years ago
7

Define constant speed

Physics
2 answers:
mash [69]3 years ago
7 0
It is the speed at which a body moves without any interuptions (external forces etc)
docker41 [41]3 years ago
5 0
Constant speed is the speed in which stays the same speed over the time that it covers. It is a consistent speed that does not change over time.
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Solid mixtures if it has particles that are _______ ______ ?
iVinArrow [24]

They have pure elements or a verity of compounds inside.

6 0
3 years ago
Two cylindrical rods, one copper and the other iron, are identical in lengths and cross-sectional areas. They are joined, end to
Pie

Answer:

Vc = 2.41 v

Explanation:

voltage (v) = 16 v

find the voltage between the ends of the copper rods .

applying the voltage divider theorem

Vc = V x (\frac{Rc}{Rc + Ri})

where

  • Rc = resistance of copper = \frac{ρl}{a}  (l = length , a = area, ρ = resistivity of copper)
  • Ri = resistance of iron = \frac{ρ₀l}{a}  (l = length , a = area, ρ₀ = resistivity of copper)

Vc =  V x (\frac{\frac{ρl}{a}}{\frac{ρl}{a} + \frac{ρ₀l}{a}})

Vc = V x (\frac{ρ x (\frac{l}{a})}{(ρ + ρ₀) x (\frac{l}{a})})

Vc = V x (\frac{ρ}{ρ + ρ₀})

where

  • ρ = resistivity of copper = 1.72 x 10^{-8} ohm.meter
  • ρ₀ = resistivity of iron = 9.71 x 10^{-8} ohm.meter

Vc = 16 x (\frac{1.72 x 10^{-8}}{1.72 x 10^{-8} + 9.71 x 10^{-8}})

Vc = 2.41 v

5 0
3 years ago
2. Draw a ray diagram that shows the image
Lunna [17]

you have to draw diagram

6 0
3 years ago
3. The honeycomb-like appearance of this sandstone is a result of.
sladkih [1.3K]

Answer:

The answer is "Option C".

Explanation:

Wedging Freeze is generated by repeated freezing. Freeze wedging occurs, whenever the water is turned into ice as a result of the 9 percent expansion. When it freezes, cracks full of water are forced to separate further. and other options are incorrect, that can be described as follows:

  • In option A, It is a state where the element converts into a liquid, that's why it is not correct.
  • In option B, It is a reaction in which the bonds of water is divided into particular substance, that's why it is not correct.
  • In option D, It is a form of mechanical or physical rock weathering, that's it is not correct.

6 0
3 years ago
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Which are examples of short-term environmental change? Check all that apply.
d1i1m1o1n [39]

Answer:

tsunamis,El Nino,and volcanic eruptions

Explanation:

all short term.

8 0
3 years ago
Read 2 more answers
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