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Sliva [168]
3 years ago
8

Which words describe the composition of the inner planets ? Select three options,

Physics
2 answers:
IgorLugansk [536]3 years ago
7 0

Answer:a b c

Explanation: I’m not sure tho

Molodets [167]3 years ago
6 0

Answer:

b,a

Explanation:

bc u just past the lesson

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You are given three pieces of wire that have different shapes (dimensions). You connect each piece of wire separately to a batte
VikaD [51]

Answer:

R_3 < R_1 < R_2

Explanation:

The resistance of a wire is given by:

R=\frac{\rho L}{A}

where

\rho is the resistivity of the material

L is the length of the wire

A is the cross-sectional area of the wire

1) The first wire has length L and cross-sectional area A. So, its resistance is:

R_1=\frac{\rho L}{A}

2) The second wire has length twice the first one: 2L, and same thickness, A. So its resistance is

R_2=\frac{2\rho L}{A}

3) The third wire has length L (as the first one), but twice cross sectional area, 2A. So, its resistance is

R_3=\frac{\rho L}{2A}

By comparing the three expressions, we find

R_3 < R_1 < R_2

So, this is the ranking of the wire from most current (least resistance) to least current (most resistance).

5 0
3 years ago
A proton is a subatomic particle that carries a ___________ charge
Dovator [93]

The answer would be a positive charge

4 0
3 years ago
Choose the more reactive metal. Al or Zn
horsena [70]
The truth is both of them are more reactive metal. 
8 0
3 years ago
Read 2 more answers
Water flows at 10 m/s through a pipe with radius 0.025 m. The pipe goes up to the second floor of the building, 2.5 m higher, an
Lera25 [3.4K]

Answer: from the information given, the velocity of the water will decrease but the pipe size will remain the same.

This can be proved with bernoulli's equation.

Explanation: careful analysis of the system using bernoulli's equation of flow is shown in the image attached

5 0
3 years ago
Which two substances have no fixed shape and no fixed volume?
fenix001 [56]

Answer:

Gas like oxygen, nitrogen etc

4 0
3 years ago
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