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Yakvenalex [24]
3 years ago
13

In a single replacement reaction, what will a metal always replace?

Physics
2 answers:
Alexandra [31]3 years ago
8 0
A metal have a nice day
Hoochie [10]3 years ago
8 0

Answer: Option C. metal

Explanation:

In a single replacement or displacement reaction, metals that are higher in activity series will displace those lower in activity

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True or False? The superposition or overlapping of two waves always results in destructive interference between the different wa
san4es73 [151]

Answer:

Explanation:

False

When two waves overlap or superimpose over each other then they either undergo Constructive or destructive interference.

waves are the disturbance created by a force and add up to gives constructive interference when they are in the same line i.e. in the same phase.

When these disturbances are in the opposite phase then they superimpose to give destructive interference where the amplitude of the resulting wave will be much smaller as compared to original waves.

8 0
3 years ago
What are used for manufacturing paper along with chemical
Airida [17]

Answer:

Dry-strength additives, or dry-strengthening agents, are chemicals that improve paper strength normal conditions. These improve the paper's compression strength, bursting strength, tensile breaking strength, and delamination resistance. Typical chemicals used include cationic starch and polyacrylamide derivatives.

8 0
2 years ago
Light traveling through air encounter a second medium which slows the light to 2.7 x 10^8. What is the index of the medium?
kozerog [31]

Answer:

1.11

Explanation:

The index of the medium can be calculated using below formula

V= c/ n ............eqn(1)

Where V= velocity of the light is reduced to while traveling through the second medium= 2.7 x 10^8 m/s

n= index of the medium

c= speed of light= 3 x 10^8 m/s

Substitute for the values in eqn(1)

2.7 x 10^8 = (3 x 10^8 m/s)/ n

Making " n" subject of the formula, we have

n= (3 x 10^8 )/(2.7 x 10^8)

n= 1.11

Hence, the index of the medium is 1.11

5 0
3 years ago
NEED HELP
ch4aika [34]

Answer: C.

Explanation:

Just took quiz

8 0
2 years ago
I NEED HELP PLEASE, THANKS! :)
brilliants [131]

Answer:

P = VI = (IR)I = I2R

Explanation:

What the equation means is that if you double the current you end up with 4 times the power loss. It's like the area of carpet you need for a room - if you make the room twice as long and twice as wide you need 4x as much carpet. The physical explanation is that the voltage difference along a wire depends on the current - more current flowing with a resistance means more voltage (pressure of electricity if you like) is built up.

This extra voltage means more power. So if you double the current your would double the power, but you also double the voltage which doubles the power again = 4x as much power. P = VI = (IR)I = I2R

I hope this helps you out, if I'm wrong, just tell me.

8 0
3 years ago
Read 2 more answers
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