Answer:
P = 96 J
Explanation:
Given that,
Weight of the book, W = mg = 8 N
It is placed at a height of 12 m
We need to find the potential energy of the book. The potential energy of an object is given by the formula as follows :
E = mgh
mg = Weight
So, the potential energy of the book is 96 J.
Allele frequencies are unaffected by assortative mating, but genotype frequencies .
<h3>Assortative mating: </h3>
Individuals with similar phenotypes and genotypes mate with others more frequently than is anticipated under a random mating pattern in assortative mating, which is a mating pattern and a type of sexual selection.
<h3>Frequencies of genotypes:</h3>
A population's genotype frequency is calculated by dividing the number of people having a particular genotype by the overall population size. The genotype frequency in population genetics is the frequency or ratio (i.e., 0 f 1) among genotypes inside a population.
<h3>The frequency for alleles in biology:</h3>
The term "allele frequency" describes the prevalence of an allele in a population. It is calculated by calculating the number of times the allele occurs in the population and dividing by the sum of all the gene copies.
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Answer:
the motion that repeat itself in equal interval of time is called periodic motion and it is equal to harmonic motion. for example pendulum
Answer:
The ball would hit the floor approximately after leaving the table.
The ball would travel approximately horizontally after leaving the table.
(Assumption: .)
Explanation:
Let denote the change to the height of the ball. Let denote the time (in seconds) it took for the ball to hit the floor after leaving the table. Let denote the initial vertical velocity of this ball.
If the air resistance on this ball is indeed negligible:.
The ball was initially travelling horizontally. In other words, before leaving the table, the vertical velocity of the ball was .
The height of the table was . Therefore, after hitting the floor, the ball would be below where it was before leaving the table. Hence, .
The equation becomes:
.
Solve for :
.
In other words, it would take approximately for the ball to hit the floor after leaving the table.
Since the air resistance on the ball is negligible, the horizontal velocity of this ball would be constant (at ) until the ball hits the floor.
The ball was in the air for approximately and would have travelled approximately horizontally during the flight.