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3 years ago

Could the earth have decreased when the astroid hit

1 answer:

7 0

If an asteroid were to strike land or a shallow body of water, it would eject an enormous amount of dust, ash, and other material into the atmosphere, blocking the radiation from the Sun. This would cause the global temperature to decrease drastically..

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In this section of a circuit, a current of 2.6 A flows across R1. What is the potential difference V between point x and point y

Ymorist [56]

Answer:

V=21V

Explanation:

In series combination current is same

I=2.6A

R2=8ohm

V2=2.6×8

V2=20.8

V2=21V

5 0

3 years ago

An object is dropped from a height H. During the final second of its fall, it traverses a distance of 53.2 m. What was H? An obj

Serhud [2]

Answer:

H = 171.90 m

Explanation:

given data

distance = 53.2 m

height = H

to find out

height H

solution

we know height is here H = $\frac{1}{2} gt^2$ ......................1

here t is time and a is acceleration

we find t first

we know during time (t -1) s , it fall distance (H - 53.2) m

so equation of distance

$H - 53.2 = \frac{1}{2} g (t-1)^2$

$H - 53.2 = \frac{1}{2} g (t^2-2t+1)$

$H - 53.2 = \frac{1}{2} gt^2-gt+\frac{1}{2} g$ ................2

now subtract equation 2 from equation 1 so we get

$H - (H - 53.2) =\frac{1}{2} gt^2- (\frac{1}{2} gt^2-gt+\frac{1}{2} g)$

53.2 = gt - $\frac{1}{2} g$

53.2 = 9.81 t - $\frac{1}{2} 9.8$

t = 5.92 s

so from equation 1

H = $\frac{1}{2} (9.81)5.92^2$

H = 171.90 m

5 0

3 years ago

The picture below shows an asteroid and a comet.

Tom [10]

Answer:

01) Asteroids are formed closer to the sun than comets.

Explanation:

Majority of asteroids are present region between Jupiter and Mars while the comets are found away from the orbits of Pluto and Neptune.

6 0

3 years ago

The most abundant state of matter in the universe is also the state with the most kinetic energy. That is

ella [17]

Plasma is the most abundant state of matter in the universe and has the most kinetic energy. It can be found in all the planets of our solar system, the sun, and other stars

8 0

3 years ago

Pls answer ASAP pls bc I’m tryna get my grade up please

Sidana [21]

Answer:

The right answer for this question is 85%.

(I had the same question.)

6 0

2 years ago