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faltersainse [42]

3 years ago

5

Interconversion of states of matter

1 answer:

Natali [406]3 years ago

4 0

<h2>Answer:</h2>

<h3>Interconversion of matter refers to change of one State to another. it is a process by which matter changes from one State to another and back to original state, without any change in it's chemical composition. Solid can be converted into liquids by heating</h3>

<h2>Explanation:</h2>

<h2>HOPE IT HELPS!!</h2>

<h2>PLZ I NEED BRAINLIEST!!!</h2>

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A car initially traveling at 24 m/s slams on the brakes and moves forward 196 m before coming to a complete halt. What was the m

Marrrta [24]

Answer:

$-1.47 m/s^2$

Explanation:

We can use the following SUVAT equation to solve the problem:

$v^2 - u^2 = 2ad$

where

v = 0 is the final velocity of the car

u = 24 m/s is the initial velocity

a is the acceleration

d = 196 m is the displacement of the car before coming to a stop

Solving the equation for a, we find the acceleration:

$a=\frac{v^2-u^2}{2d}=\frac{0-(24)^2}{2(196)}=-1.47 m/s^2$

4 0

3 years ago

An object propelled upwards with an acceleration of 2.0 m / s ^ 2 is launched from rest. After 6 seconds the fuel runs out. Dete

dezoksy [38]

Answer:43.34 m

Explanation:

Given

acceleration(a) $=2 m/s^2$

Initial Velocity(u)=0 m/s

After 6 s fuel runs out

Velocity after 6 s

v=u+at

$v=0+2\times 6=12 m/s$

After this object will start moving under gravity

height reached in first 6 s

$s=ut+\frac{at^2}{2}$

$s=0+\frac{2\times 6^2}{2}$

s=36 m

After fuel run out distance traveled in upward direction is

$v^2-u^2=2as_0$

here v=0

u=12 m/s

$a=9.8 m/s^2$

$0-12^2=2(-9.8)(s)$

$s_0=\frac{144}{2\times 9.8}=7.34 m$

$s+s_0=36+7.34=43.34 m$

7 0

3 years ago

What kind of object are the light rays interacting with in the model below?

Ymorist [56]

Answer:

Concave lens

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5 0

2 years ago

A girl rides her bike at 2.52 m/s on the way to her friends how which is 628 m away.

Harrizon [31]

Answer: 249 seconds

Explanation:

Speed of bike = 2.52 m/s

Distance = 628 m

Time taken = ? ( let the unknown value be Z)

Recall that speed is the distance covered per unit time.

Hence, speed = Distance / Time taken

Time taken = Distance / speed

Z = 628m / 2.52 m/s

Z = 249.2 seconds (Round to nearest tenth i.e 249 seconds)

Thus, it takes 249 seconds for the girl to get to her friends house

7 0

3 years ago

vichka [17]

Answer:

Hey

Your answer would be

The moon is not visible

due to Earth's shadow=lunar eclipse

The sun is not visible due

to the moon=solar eclipse

The moon is on the side of

Earth opposite the sun=new moon

The moon and sun are on

the same side of Earth=full mon

4 0

3 years ago