a 50 kg box is pusher across the floor.if the acceleration of the box is 2.5m/s², what is the net force ecerted on the box​

Answers

Answer 1
Answer:

Answer:

RequiredAnswer:-

Mass=m=50kg

Acceleration =a=2.5m/s^2

  • According to Newton 's second law of motion

{:}\longrightarrow\sf F=ma

  • Substitute the values

{:}\longrightarrow\sf F=50×2.5

{:}\longrightarrow\sf F=125N

Answer 2
Answer:

Answer:

125 Newton

Explanation:

Given,

mass(m)=50kg

acceleration(a)=2.5m/s²

we have,

F=ma

=50×2.5

=125 Newton


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Bacteria and fungi are found in all ecosystems on earth answer
Grapes growing on a vine are observed to shrink slightly during the day and increase in size at night. This is because: a. developing fruits, such as grapes, transpire a lot of water to stay cool. b. photosynthesis to produce sugar occurs in the light, but respiration and, therefore, the growth of new cells occurs mostly in the dark. c. in leaves, phloem flow to growing sinks only occurs when the stomata are closed, because the transport capacity of the xylem is too small to supply water for both transpiration and phloem flow. d. during the day, transpiration pulls on the water in the whole plant, causing the grapes to shrink slightly.

_______ behavior is inherited and programmed in the genetic code.When a deer hears a sound in the forest, such as crackling footsteps, it immediately freezes and then bolts through the bushes. This is an example of the _______ response.
Mating rituals or displays can be very complex but are also _______ behaviors.
When animals fight and one wins and one submits, this allows for the establishment of a _______. This means that one animal (the winner) likely gets to reproduce and lead the group.
_______ behavior is used to intimidate other animals in social interactions. Examples include baring teeth or growling.
_______ behaviors rely on prior practice or experience.
When a dog is sleeping and does not react to the sound of a person walking around the house, that is most likely an example of ________.
A common type of learning that involves experimenting to get a reward is called _______.
_______ is the pattern of behavior that follows the day/night cycle.
Many bird species have seasonal behaviors that cause them to _______ or change their location.
Explain how territorial behavior helps an animal population survive.

Answers

Answer:

Innate

fight or flight

innate

hierarchy

Aggressive

Learned

habituation

trial and error

Circadian rhythm

migrate

When animals mark their territory they ensure that the mates and food in their area are not overwhelmed. Though territorial animals often fight, it is not to the death, and more to establish social order. This prevents them from over-eating their environment and helps the entire species stay in balance to survive.

Explanation:

PF

Answer:

Innate

fight or flight

innate

hierarchy

Aggressive

Learned

habituation

trial and error

Circadian rhythm

migrate

When animals mark their territory they ensure that the mates and food in their area are not overwhelmed. Though territorial animals often fight, it is not to the death, and more to establish social order. This prevents them from over-eating their environment and helps the entire species stay in balance to survive.

Explanation:

PENN

Which statement describes DNA​

Answers

Answer:

DNA stores an organism’s genetic code.

Answer:

B

Explanation:

I did the test

A scientist added bacteria and a nutrient medium that could support the growth of the bacteria to a sterilized petri dish. No other materials were added.The graph models growth of the bacteria over time.
Bacterial Population
Time
Which of these most likely explains why the bacterial population stopped growing?
The bacteria mutated from photosynthetic to carnivorous organisms and consumed one another until all the individuals were dead.
The bacteria reproduced in the system but eventually died due to limited resources
The bacteria became diseased and were unable to survive in the closed system
The bacteria competed for nutrients and died after all the nutrients were consumed

Answers

The statement that most likely explains the stop of bacterial populations to grow is the bacteria competed for nutrients and died after all the nutrients were consumed.

What do you mean by Bacterial Growth?

Bacterial growth may be defined as the proliferation of bacterium into two daughter cells, in a process called binary fission.

When there are enough nutrients in the petri dish, a rapid increase is shown in the graph, but during the course of time when nutrients become limited, it affects the growth of the bacterial population.

Therefore, the statement that most likely explains the stop of bacterial populations to grow is the bacteria competed for nutrients and died after all the nutrients were consumed.

To learn more about Bacterial growth, refer to the link:

brainly.com/question/17817006

B - The bacteria competed for nutrients and died after all the nutrients were consumed

Please select the word from the list that best fits the definitionwhere the energy in food is stored until it is released

Answers

Answer:

The correct answer is - Mitochondria.

Explanation:

Mitochondria is the location that stores the energy in food until it is released. It is the cellular organelle that is the place where the cellular respiration process takes place.

In this organelle, the stored food is converted into a usable energy form, ATP. Mitochondria is also known as the powerhouse of the cell as it converts and releases the energy from the stored sugar or food.

Thus, the correct answer is - mitochondria.

One adaption to life in flowing water is what?

Answers

Answer:

Explanation:

There are many options, here are a few choices:

Fast moving water tends to be colder than slow water; some of it originates as snow melt on the sides of mountains, for example. For this, animals in fast water tend to be more cold resistant. This is why you do not see fish like freshwater trout in equatorial regions. These animals struggle and die in slow, warm water.

Fast moving water means that if the animal or plant wants to stay put, it must resist the flow. Fish tend to be far more muscular and lean in these places, while insects like stoneflies, mayflies, and other larvae have ways to secure themselves to rocks and plants while growing. Plants develop strong root systems, and algae hold fast in rocky crevices in the river. Some animals also have suction in order to stay in place where there is fast flowing water.

Some animals have to adapt their reproductive systems as well. Because finding a mate is difficult in the sweeping waters, breeding tends to happen all at one time. As an example, salmon have runs, where thousands of fish all swim upriver at once to breed, can dramatically alter the surrounding ecology of the river. Insects like mayflies have hatches, where hundreds of thousands of flies swarm into the air at once to breed and lay eggs.

During a rainy spring, where are you most likely to find surface runoff

Answers

Answer:

On a sloped parking lot

Explanation:

Surface runoff can be referred as the flow of water, that occurs when the excess water flows from the storm water, melt water, flood, rain streams and rain fall. The fast moving water current takes along with it superficial layers like surface and sub- surface layers of soil. Hence, causes water erosion of soil. The slope parking lot will favor, surface runoff more likely than in a grassy prairie, mulched flower bed, or in a sand pit because the slope will provide a surface for free flow of water. There are chances that water gets absorbed by the soil in the grassy prairie, mulched flower bed and sand pit. Whereas the slopy surface of parking lot will not allow the water retention by soil, instead will accelerate the flow of water.

(Hopes this helps!)

Answer:

there is only one surface in which we can run off in rainy season and that is room

Explanation:

steffie matt