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3 years ago

According to the principle of segregation, _____.

Physics

1 answer:

Anastaziya [24]3 years ago

3 0

Answer:

The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860s. One of these principles, now called Mendel's Law of Segregation, states that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization. ... Organisms inherit two alleles for each trait.

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What is the maximum centripetal acceleration experienced by a person standing still on the surface of the Earth? Where must they

skelet666 [1.2K]

Answer:

The person must be located in the Equator Line. The maximum centripetal acceleration experienced by a person is 0.0337 meters per square second.

Explanation:

Physically speaking, the centripetal acceleration ( $a_{r}$ ), measured in meters per square second, experienced by a person is defined by the following expression:

$a_{r} = \omega^{2}\cdot r$ (1)

Where:

$\omega$ - Angular speed of the Earth, measured in radians per second.

$r$ - Distance perpendicular to the rotation axis, measured in meters.

Since rotation axis passes through poles and distance described above is directly proportional to centripetal acceleration. The person must be located in the Equator Line, which is equivalent to the radius of the planet.

In addition, the angular speed of the Earth can be calculated in terms of its period ( $T$ ), measured in seconds:

$\omega = \frac{2\pi}{T}$ (2)

If we know that $r = 6.371\times 10^{6}\,m$ and $T = 86400\,s$ , then the maximum centripetal acceleration experienced by a person is:

$a_{r} = \left(\frac{2\pi}{86400\,s} \right)^{2}\cdot (6.371\times 10^{6}\,m)$

$a_{r} = 0.0337\,\frac{m}{s^{2}}$

The maximum centripetal acceleration experienced by a person is 0.0337 meters per square second.

6 0

3 years ago

If the car moves for equal times along the road and hill, create an expression for its average velocity vector v(ave) in terms o

SIZIF [17.4K]

So here in order to find the average velocity we can say

$v_{avg} = \frac{displacement}{time}$

so first we know that along the horizontal and along the inclined it moves with same time interval

so here we will have displacement in x direction as

$x = v_o (t) + v_{1x}(t)$

now the average velocity in x direction will be given as

$v_{avg} = \frac{v_o t + v_{1x} t}{t + t}$

$v_{avg} = \frac{v_o + v_{1x}}{2}$

now similarly for y direction

first we will find its displacement

$y = v_{1y}(t)$

now the average velocity in y direction will be given as

$v_{avg} = \frac{v_{1y} t}{t + t}$

$v_{avg} = \frac{v_{1y}}{2}$

now net velocity is given as

$v_{avg} = \frac{v_o + v_{1x}}{2}\hat i + \frac{v_{1y}}{2}\hat j$

5 0

3 years ago

Adhesion is when forces of the molecules are more strongly drawn to each other than the molecules in other substances true or fa

SSSSS [86.1K]

Answer:

False

Explanation:

that is cohesion. adhesion is force between dissimilar molecules of a body

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4 years ago

Draw the position vs. time graph for a person walking at a constant speed of 1m/s for 10 seconds. On the same axes, draw graph f

mamaluj [8]

Plot a graph, constant speed of movements represented as straight lines. Time on X axis (seconds) and position on Y axis (metres) , calculated by moving, e.g 4metres in a second.

8 0

3 years ago

70-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 844 N. What is the acceleration o

mario62 [17]

Answer : The acceleration of the elevator is, $2.25m/s^2$