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Lapatulllka [165]

3 years ago

6

Scientists around the world have been working for decades on perfecting the process of

1 answer:

vlada-n [284]3 years ago

3 0

Answer:

Scientists are looking for a way to create cheap, safe, and sustainable energy.

Nuclear fusion is the process by which two atoms rapidly collide at each other forming a new nucleus. The energy of colliding and synthesizing has intrigued scientist into believing that this could be one of best sources of renewable energy.Explanation:

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The thermosphere has _____ air pressure than the mesosphere.<br><br> more<br> less<br> equal

sertanlavr [38]

I think the correct answer from the choices listed above is the second option. The thermosphere has less air pressure than the mesosphere <span>because the farther away you are from the surface of the earth the lesser amount of gases present.</span>

5 0

3 years ago

Read 2 more answers

Momentum = ___________.

posledela

The answer must be a mass x velocity

4 0

3 years ago

5) Old-style dimmers consisted of a variable resistor so you could dial in more resistance to lower the current and, hence, dim

NeX [460]

Answer:

The power of the bulb is reduced to a quarter

Explanation:

The power in an electrical circuit is

P = V I = I² R

If the dimmer cuts the current in half

I = I₀ / 2

The resistance of the light bulb after hot is little affected by small changes in the current

We substitute in the equation

P = I₂ R

P = (I₀ /2)² R

P = ¼ I₀² R

P = ¼ P₀

The power of the bulb is reduced to a quarter

4 0

4 years ago

What overall charge must a compound have

Vanyuwa [196]

The charge? If you mean valance electrons, the answer is 8. All compounds must be equal to that of a noble gas.

4 0

4 years ago

Suppose your car accelerates from rest to 9 m/s in 2 s. Assume that the acceleration is constant in this time interval. A. What

Stolb23 [73]

Answer :

(a) The acceleration of the car is, $4.5m/s^2$

(b) The distance covered by the car is, 9 m

Explanation :

By the 1st equation of motion,

$v=u+at$ ...........(1)

where,

v = final velocity = 9 m/s

u = initial velocity = 0 m/s

t = time = 2 s

a = acceleration of the car = ?

Now put all the given values in the above equation 1, we get:

$9m/s=0m/s+a\times (2s)$

$a=4.5m/s^2$

The acceleration of the car is, $4.5m/s^2$

By the 2nd equation of motion,

$s=ut+\frac{1}{2}at^2$ ...........(2)

where,

s = distance covered by the car = ?

u = initial velocity = 0 m/s

t = time = 2 s

a = acceleration of the car = $4.5m/s^2$

Now put all the given values in the above equation 2, we get:

$s=(0m/s)\times (2s)+\frac{1}{2}\times (4.5m/s^2)\times (2s)^2$

By solving the term, we get:

$s=9m$

The distance covered by the car is, 9 m

3 0

3 years ago