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bonufazy [111]
3 years ago
5

What is the period of a wave with a speed of 20.0 m/s and a frequency of 10.0 Hz?

Physics
1 answer:
Delvig [45]3 years ago
4 0

<em>im confused hold on imma send you a link to the answer</em>Explanation:

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The__ of friction is a number that represents the resistance to sliding
Tresset [83]

Answer:

B. coefficient

Explanation:

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3 0
3 years ago
Which is a characteristic of a step–down transformer?
hammer [34]

<u>Answer</u>:  

Step Down Transformer: The Transformer that expands the voltage from Primary (essential) to Secondary (auxiliary) (more optional twisting turns than essential winding turns) loops called Step Down Transformer.

<u>Explanation</u>:

A transformer that reduces high voltage to low voltage is called a step-down transformer. The step-down transformers are that transformers which have high turns on its primary coils than secondary.  

{\text { VOLIAGE(primary)* CURRENT(primary) =VOLTAGE(secondary)* CURREN }} \\ {\text { T(secondary) }}\end{array}

$V p \times I p=V s \times I s$

Where  

Vp = Voltage in Primary Coil  

Ip = Current in Primary Coil  

Vs = Voltage in Secondary Coil  

Is = Current in Secondary Coil

5 0
3 years ago
A force is an effort needed to change the
tatyana61 [14]

Answer:

direction, speed, and shape of a body

Explanation:

8 0
3 years ago
A 50-cm3 block of wood is floating on water, and a 50-cm3 chunk of iron is totally submerged in the water. Which one has the gre
ludmilkaskok [199]

Answer:

Iron

Explanation:

The buoyant force equals to the weight of water being displaced by the object.

Since, the volume of both iron and wood is equal and the wood is not completely submerged, but the iron block is completely submerged i.e more volume of the water is being displaced by the iron block.

Hence, the buoyant force is more on the iron.

4 0
4 years ago
What is potential difference​
zepelin [54]
Potential difference is difference of potential (between points).
7 0
3 years ago
Read 2 more answers
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