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3 years ago

PLS HELP IM SOO CONFUSED!

Physics

2 answers:

Feliz [49]3 years ago

7 0

False.

As temperature increases the more the electrons begin to vibrate more, as it decreases they vibrate less.

Troyanec [42]3 years ago

5 0

Answer:

false

Explanation:

the motion creates current and heat at the same time

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Please help i need it please

Ronch [10]

ANSWER:
Ca(OH)2 shows a decrease of solubility with the increase of temperature.

Hope it helps u! :)

6 0

3 years ago

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Help please help me with all of it I don't know nothing. bless ur hearts <br>

Evgesh-ka [11]

Answer:

200 , 0 , 133.33333

Explanation:

velocity = change of X / change of T

400/2 = 200

0/2 = 0

400/3 = 133.33333

3 0

3 years ago

2. a) If a bottle was filled with a liquid, tightly

kow [346]

Answer:

bottle might burst

Explanation:

because liquid inside will expand and exert pressure on walls of the bottle.

6 0

3 years ago

This is the si unit of current

skelet666 [1.2K]

Answer:

ampere

and it is denoted by A

3 0

3 years ago

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A particle, whose acceleration is constant, is moving in the negative x direction at a speed of 4.91 m/s, and 12.9 s later the p

Zinaida [17]

Answer:

The particle’s velocity is -16.9 m/s.

Explanation:

Given that,

Initial velocity of particle in negative x direction= 4.91 m/s

Time = 12.9 s

Final velocity of particle in positive x direction= 7.12 m/s

Before 12.4 sec,

Velocity of particle in negative x direction= 5.32 m/s

We need to calculate the acceleration

Using equation of motion

$v = u+at$

$a=\dfrac{v-u}{t}$

Where, v = final velocity

u = initial velocity

t = time

Put the value into the equation

$a=\dfrac{7.12-(-4.91)}{12.9}$

$a=0.933\ m/s^2$

We need to calculate the initial speed of the particle

Using equation of motion again

$v=u+at$

$u=v-at$

Put the value into the formula

$u=-5.321-0.933\times12.4$

$u=-16.9\ m/s$

Hence, The particle’s velocity is -16.9 m/s.

4 0

3 years ago