Which direction is vertical velocity to a flying object

1 answer:

5 0

This answer completely depends on the trajectory of the flying object. If it is increasing in altitude (such as a plant at take off) then it will have a positive vertical velocity directly upward (perpendicular to the ground). If the object is cruising (like a plane) at a fixed altitude, the vertical speed and velocity will be zero, so there will be no angle. If the object is descending in altitude, then there will be a vertical velocity with direction toward the ground.

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Scientific Method

Dmitry [639]

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In humans, the eye color and hair color genes are located on different chromosomes. Brown eyes (B) are dominant to blue (b), and

Andrej [43]

Answer:

Man's genotype: Bbdd

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First child's genotype: Bbdd

Second child's genotype: bbDd

Explanation:

This is a dihybrid cross involving two genes; one coding for eye color and the other for hair color in humans. The allele for brown eye (B) is dominant over the allele for blue eyes (b) in the first gene while the allele for dark hair (D) is dominant over the allele for red hair (d) in the second gene.

According to the question, A man with brown eyes and red hair will possibly possess genotypes: BBdd or Bbdd while a woman with blue eyes and dark hair will possibly have genotype: bbDD or bbDd. Considering the fact that they produced children with recessive traits for both gene (blue eyes and red hair), it means that they are heterozygous for their dominant trait. This means that the ideal genotype for the man is Bbdd since he will produce gametes containing B and b alleles for the first gene while the ideal genotype for the woman is bbDd since it will produce gametes with D and d allele for the second gene.

Hence, a child with brown eyes and red hair will possess genotype: Bbdd since he/she cannot receive two dominant alleles for the first gene from both parents. A child with blue eyes and dark hair will have genotype: bbDd since he/she cannot receive two dominant alleles of the second gene from both parents.

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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.

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nalin [4]

Answer:

Explanation:

If the traits are favorable this means nature would select it.

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