4 years ago

34 Points!! 17 Each Points Please Help ASAP!! View Attached Image!! Will Mark Brainliest If All Are Answered!!

Chemistry

1 answer:

Katarina [22]4 years ago

4 0

Answer:

I think it is A _ B_C_D

Explanation:

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Select the correct answer.

AveGali [126]

Answer: your answers are between d or b

Explanation:

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3 years ago

What is the energy of a photon that emits a light of frequency 4.47 x 10^14 Hz?

Anarel [89]

Answer:

2.96 x 10^-19 J

Explanation:

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6 0

3 years ago

In Klinefelter syndrome males have chromosomes XXY. This is an example of:

Anit [1.1K]

The correct response is A. Non-disjunction of sex chromosomes.

7 0

4 years ago

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An insect population increases and then decreases as the food supply changes.

Arada [10]

Answer:

self regulation

Explanation:

4 0

4 years ago

Read 2 more answers

The first five questions refer to the following problem:

MariettaO [177]

The Acceleration of a model rocket = 4 m/s²

<h3>Further explanation </h3>

Newton's 2nd law explains that the acceleration produced by the resultant force on an object is proportional and in line with the resultant force and inversely proportional to the mass of the object

∑F = m. a

$\large{\boxed{\bold{a=\frac{\sum F}{m}}}$

F = force, N

m = mass = kg

a = acceleration due to gravity, m / s²

An upward thrust of 35 N

A model rocket has a mass of 2.5 kg(weight = 25 N)

so resultant force :

$\tt \sum F=F~upward~thrust-F~weight\\\\\sum F=35-25\\\\\sum F=10~N$

The acceleration :

$\tt a=\dfrac{\sum F}{m}\\\\a=\dfrac{10}{2.5}\\\\a=4~m/s^2$

3 0

3 years ago