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Grace [21]
3 years ago
10

If a 2 kg ball is traveling at a speed of 4 m/s, what is its kinetic energy?

Biology
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

  • Option D is the correct answer.

Explanation:

It is given that a 2 kg ball is traveling at a speed of 4 m/s, so we have to find its kinetic energy.

KE = 1/2 mv²

KE = 1/2 × 2×(4)²

KE = 1/2 × 2×16

KE = 16 J

<u>Some information about Kinetic Energy</u>.

Kinetic Energy is the energy an object has because of its motion. It is directly proportional to the velocity of the particle and its mass. Kinetic energy is given by,

  • KE = ½mv²
  • It occurs due to the motion of the particle.
  • If a particle at rest position, then the kinetic energy will be zero because that particle won't be accelerating.
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Answer:

Looking it up would easily help you-

Explanation:

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Cnidarians have two main body types. which of these pairs of words describes the two common body types of cnidarians?
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The best and most correct answer among the choices provided by the question is the third choice "jellyfish and corals"


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I hope my answer has come to your help. God bless and have a nice day ahead!
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Height, hair color, eye color, and intelligence are traits passed on by?
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Please match the word list with the correct definitions please
Leni [432]

Answer:

1. Sex chromosomes.

2. Genotype.

3. Allele.

4. Meiosis.

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9. Crossing over.

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Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

Heredity refers to the transfer of traits (specific characteristics) from the parent of a living organism to her offspring through sexual reproduction or asexual production. Some examples of hereditary traits are dimples, tongue rolling, baldness, handedness, freckles, curly hair, color blindness, height, etc.

The various terminologies used in the field of genetics includes;

1. Sex chromosomes: The chromosomes that determine your biological sex -X and Y.

2. Genotype: The set of alleles an organism inherits.

3. Allele: Versions of a gene that arise through mutation.

4. Meiosis: Cell divisions that occurs in sex cells.

5. Gametes: Egg and sperm cells.

6. Genome: The complete set of genes in an organism.

7. Mitosis: Cell division that occurs in all body cells.

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9. Crossing over: A process that increases genetic diversity during meiosis.

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12. Somatic cells: Body cells (hair, skin, brain, bone, etc.)

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