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3 years ago

How does overproduction impact natural selection?

Physics

2 answers:

gogolik [260]3 years ago

8 0

Answer:

Darwin argued that all species overproduce, since they have more offspring than can realistically reach reproductive age, based on the resources available.

vova2212 [387]3 years ago

7 0

Overproduction is a driving force in natural selection, as it can lead to adaptation and variations in a species. Darwin argued that all species overproduce, since they have more offspring than can realistically reach reproductive age, based on the resources available.

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Using a pulley system, Adam lifts a 400 kg load by putting an effort for 80 kg. How many pulley s are there in the system?

motikmotik

288282828 393993939292

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3 years ago

g From the following choices, select the one correct statement: a. Ultraviolet light has a shorter wavelength than infrared ligh

Sati [7]

Answer:

Ultraviolet light has a shorter wavelength than infrared light.

Explanation:

Electromagnetic waves are waves that does nor require material medium for their propagation. Example of Electromagnetic waves are classified according to the acronym RIVUXG. They decrease in wavelength and increase in frequency from Radiowaves to Gamma ray.

R is the Radio waves

U - ultraviolet ray

V - Visible light (ROYGBIV){Red, Orange, Yellow, Green, Blue, Indigo and Violet}

Note that the visible light also decrease in wavelength from red to indigo, therefore red will have longer wavelength compare to blue light.

I - Infrared rays

X - X ray

G - Gamma ray

Based on the above conclusion, it can be inferred that Ultraviolet light has a shorter wavelength than infrared light since Infrared rays comes before the infrared light in the electromagnetic spectrum.

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3 years ago

A net force acting on a 5.0 kg box produces an acceleration of 4.2 m/s2. What acceleration, to the nearest tenth of a m/s2, will

SCORPION-xisa [38]

The acceleration that the net force will cause is 7.5 m/s²

To solve this problem, first, we need to find the net force.

⇒ Equation:

F = ma................ Equation 1

⇒ Where:

m = mass of the box
a = acceleration of the box

From the question,

⇒ Given;

m = 5.0 kg
a = 4.2 m/s²

⇒ Substitute these values into equation 1

F = 5×4.2
F = 21 N

We also use the same equation 1 to find the acceleration that the net force will cause to a box of mass 2.8 kg.

⇒ make a the subject in equation 1

a = F/m................. Equation 2

⇒ Substitute the appropriate values into equation 2

a = 21/2.8
a = 7.5 m/s²

Hence, The acceleration that the net force will cause is 7.5 m/s²

Learn more about acceleration here: brainly.com/question/605631

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3 years ago

HEY CAN ANYONE PLS PLS ANSWER DIS I RLY NEED IT

jeka94

Place the object in an electronic balance and measure its mass.
Place a measured amount of water in the cylinder.
Place the object in the cylinder so that it’s fully submerged.
Measure the new level of the liquid and subtract the original level. This is equal to the volume of the object.

Density = mass / volume.

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4 years ago

1. How long would the car in Sample Problem C take to come to a stop from its initial velocity of 20.0 m/s to the west? How far

Brilliant_brown [7]

The time taken, and the distance travelled by the car before stop, will be 5.3 second and -53.3 m west.

<h3>What is the distance?</h3>

The length of the path traveled by the body is known as the distance covered by the body.

Distance is a 1-dimensional phenomenon. its unit is a meter(m). The distance can be found by the product of velocity and time.

The given data in the problem will be

u is the initial velocity =20m/sec

t is the time =?

d is the distance =?

From the Newtons second law;

$\rm F \triangle t = \triangle P \\\\ \triangle t = \frac{\triangle P }{F} \\\\ \triangle t = \frac{m(v_f-v_i)}{F} \\\\ \ \triangle t = \frac{2240 (0-20))}{8410} \\\\ \triangle t = 5.3 \ sec \\\$

The distance travelled before the car stop is,

$\rm \triangle t = \frac{1}{2} (v_f+v_i)\traingle t \\\\ \traingle x = \frac{1}{2} (-20+0)5.3 \\\\\ \triangle x= -53.3 m \ west$

Hence,the time taken, and the distance travelled by the car before stop, will be 5.3 second and -53.3 m west.

To learn more about the distance, refer to the link;

brainly.com/question/989117

#SPJ1

6 0

2 years ago