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4 years ago

8

Which of the following questions best highlights a shortcoming of the big bang theory?

2 answers:

Trava [24]4 years ago

5 0

Answer: B. Why are stars clustered together and not spread uniformly throughout the universe?

The big bang theory claims that the universe we observe is created out of single point or singularity which exploded or there was a big bang which led to formation of universe. The universe is expanding since then and will end in coldness one day. Then why the stars get cluttered and not spread out uniformly after the explosion. This remains unexplained in the Big bang theory.

Elena-2011 [213]4 years ago

3 0

The correct answer for Apex is.. What was present before the beginning of our universe?

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According to the collision theory, all collisions do not lead to reaction. Which choice gives both reasons why not all collision

Maksim231197 [3]

Answer:

D.

Explanation:

reasons why not all collisions between reactant molecules lead to reaction

1.The total energy of two colliding molecules is less than some minimum amount of energy.

2. Molecules cannot react with each other unless a catalyst is present.

hence the correct option will be D that is 1 and 2.

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4 years ago

I need help on the ones that are blank they are to confusing

Pavel [41]

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4 years ago

An object is acted upon by the forces F1equalsleft angle12,7,2right angle and F2equalsleft angle0,4,8right angle. Find the f

Umnica [9.8K]

Answer:

$F_3=(-12,-11,-10)$

Explanation:

It is given that,

Force, $F_1=(12,7,2)$

Force, $F_2=(0,4,8)$

We need to find the force F₃ that must act on the object so that the sum of the forces is zero. Let $F_3=(x,y,z)$

According to question, $F_1+F_2+F_3=0$

$(12,7,2)+(0,4,8)+(x,y,z)=0$

$(12+x)+(11+y)+(10+z)=0$

Since, 12 + x = 0, 11 + y = 0 and 10 + z = 0

The third force is equal to,

$F_3=(-12,-11,-10)$

Hence, this is the required solution.

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3 years ago

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Daniel [21]

In the lens equation, the variable do represents the distance of the object from the Center of the lens.

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4 years ago

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