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AysviL [449]
3 years ago
5

Lithium and francium have similar properties because they

Physics
1 answer:
noname [10]3 years ago
4 0

Answer:

Lithium and francium belong to the same group because they both have the same number of valence electron. Having the same number of valence electron puts them in the same group. Group members possess similar properties. So Lithium and francium have similar properties because they have the same number of valence electron.

Explanation:

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Two equal forces act on two different objects, one of which has a mass ten times as large as the other. The larger object will h
elena-s [515]

Answer:

The larger object will have <u>smaller</u>  acceleration that the less massive object.

Explanation:

Generally force is mathematically represented as

      F =  ma

=>  m  =  \frac{F}{a }

at constant  force  we have

     m  \  \alpha  \  \frac{1}{a}

So if  m is  increasing a will be decreasing which means the object with the larger mass will have less acceleration

4 0
3 years ago
Only a body at rest has inertia.<br><br> - true<br> - false
geniusboy [140]

Answer:

false

Explanation:

inertia deals with movement!

8 0
3 years ago
Read 2 more answers
When the C4 key on a piano keyboard is pressed, a string inside the piano is struck by a hammer and begins vibrating back and fo
Anettt [7]

Answer:

Frequency = 260 Hz and wavelength = 1.31 m

Explanation:

Given that,

A hammer begins vibrating back and forth at approximately 260 cycles per second.

(a) The frequency of an object is the number of vibrations per unit time. The frequency of the sound wave is 260 Hz.

(b) The speed of sound in air is 343 m/s. So,

v=f\lambda\\\\\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{343}{260}\\\\\lambda=1.31\ m

Hence, this is the required solution.

8 0
2 years ago
The transfer of energy when particles of a fluid move from one place to another is called
siniylev [52]

Answer:

Answer below!!!!

Explanation:

Convection is the transfer of thermal energy by particles moving through a fluid.

Hope I Helped!!!

;)

5 0
2 years ago
A ______ is something that can be placed between the sun and the subject to diffuse the light. *
Gekata [30.6K]

Answer:

scrim

Explanation:

A scrim is something that can be placed between the sun and the subject to diffuse the light.

An instance of a diffuser is a softbox that is put on its front side around a strobe containing diffusion content. The sun is a form of hard light that is often diffused through a scrim. The light rays are dispersed by putting a scrim between the sun and the object, and the harsh sun's rays is gentler.

6 0
3 years ago
Read 2 more answers
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