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3 years ago

Which part of the female reproductive system produces ova?

Physics

2 answers:

telo118 [61]3 years ago

6 0

Answer: Ovary

Explanation:

The female reproductive system consists of many parts.The ovaries in the system produces eggs which is known as oocytes or ova.

The oocytes are transported from the ovaries to the fallopian tube where the fertilization can take place if sperms are there.

The eggs from there then moves towards the uterus and the lining of the uterine wall gets thickened and starts shedding if there is no fertilization. This shedding is known as reproductive cycle in response to the hormones.

vovangra [49]3 years ago

5 0

A would be the best answer beacuse
Ovaries - small, oval-shaped glands that are located on either side of the uterus. The ovaries produce eggs (ova - an ovum is one egg, ova means multiple eggs.) The ovaries also produce the main female sex hormones which are released into the bloodstream.

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Which variable is directly proportional to frequency?

zhuklara [117]

For this case we have by definition:

v = λf

We observe that we have a linear relationship, where λ is the constant of proportionality.

We have then:

v: speed of propagation of the wave
λ: wavelength
f: frequency

Answer:

The variable that is directly proportional to the frequency is λ, the wavelength.

4 0

4 years ago

Read 2 more answers

What effort force will be required to lift the 20 N object using the pulley above?

Umnica [9.8K]

Answer:

I think it is 5N.

Explanation:

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3 years ago

What is the electromagnetic spectrum?

Pavel [41]

What is the electromagnetic spectrum?
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies. The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 10²⁵ hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus.

How the light affect the color we see?
All of the colors we see are a byproduct of spectrum light, as it is reflected off or absorbed into an object. An object that reflects back all of the rays of light will appear white; an object that absorbs all of the rays, black. All of the millions of other colors are produced by a combination of light rays being absorbed and reflected.

8 0

3 years ago

You apply the brakes of your car abruptly and your book starts sliding off the front seat. Three observers sitting in the car ex

krek1111 [17]

Answer:

All the observers are correct.

Explanation:

This is simply a problem of reference frames from which the motion of the book is being viewed by the various observers.

From their various reference frames, they are all correct.

Observer A must be in the inertial reference frame.

Observers who can explain the behavior of the book and the car by using the relationship between the sum of the forces and changing velocity are said to be observers in inertial reference frames.

This is clearly shown by what observer A noticed. There was a relative motion between the book and the car as she pointed out, making her to be in an inertial reference frame.

Similarly, observers in inertial reference frames can also explain the changes in velocity of objects by considering the forces exerted on them by other objects.

This is shown by observer B as he is able to notice how the force of the car affects the velocity of the book.

Observer C is actually in a non-inertial reference frame, as newtons law of force motion relationship are no longer observed. This occurs in the non inertial reference frame.

7 0

3 years ago

A 13,900 N car traveling at 40.0 km/h rounds a curve of radius 1.80 ✕ 102 m.

miss Akunina [59]

a) $0.68 m/s^2$

b) 964.5 N

c) 0.069

Explanation:

When an object is moving in a circular motion, the direction of its velocity is changing - therefore, it has an acceleration towards the center of the circle, called centripetal acceleration.

The magnitude of the centripetal acceleration is given by

$a=\frac{v^2}{r}$

where

v is the speed of the object

r is the radius of the circle

For the car in this problem:

v = 40.0 km/h = 11.1 m/s is the speed

r = 180 m is the radius of the circle

Substituting, we find the acceleration:

$a=\frac{11.1^2}{180}=0.68 m/s^2$

The centripetal force is the force that keeps the object along its circular motion. It also acts towards the center of the circle, and it is given by

$F=ma$

where

m is the mass of the object

a is the centripetal acceleration

Here the weight of the car is

$W=mg=13,900 N$

where

$g=9.8 m/s^2$ is the acceleration due to gravity

So the mass is

$m=\frac{W}{g}=\frac{13,900}{9.8}=1418.4 kg$

Therefore, the centripetal force is

$F=(1418.4)(0.68)=964.5 N$

In this case, the force of static friction between the tires and the road provides the required centripetal force to keep the car in circular motion. This force is given by:

$F_f=\mu mg$