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____ [38]
3 years ago
12

Is there a difference in speed between a car going forwards at 5m/s and a car moving backwards at 5m/s

Biology
1 answer:
slava [35]3 years ago
6 0

There is NOT a difference in speed between a car going forwards at 5 m/s and a car moving backwards at 5 m/s.

Speed is just the rate of change of the position of an object. It is calculated by dividing the change in position (distance traveled) by the time it takes to move said distance.

The distance between the two points is always positive because the direction does not matter.

However, if we are looking for the velocity, the direction DOES matter. In this example, the velocity moving forwards is 5 m/s while the velocity moving backwards is -5 m/s.

In other words:

<em>Speed </em>is looking at the <em>magnitude</em>

<em>Velocity </em>is looking at the <em>magnitude </em><em>and </em><em>direction.</em>

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THE CASE (adapted from “Shark Attack” by H. House) 8 year-old Jim Morris was swimming the Gulf off of Florida. While swimming, J
Tatiana [17]
1.) 5 organ systems that the surgeons had to mark for reattachment
a) integumentary system
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2.)
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These are just some result of my research.. better use search engines for further answers. there was an online presentation made on the above case study.
6 0
3 years ago
While looking at bacteria under a microscope, you decide to take a break. When you return, the amount of bacteria has doubled in
Free_Kalibri [48]

Answer:

Ur answer

Explanation:

If the bacteria grows for six hours each bacterium will divide <em>3 times/hour * 6 hours = 18 times.</em>

Every time the bacteria reproduce the number doubles.

8 0
3 years ago
Write a summary where you give the name of the biome you live in.do reaserch on your biome and discuss the type of plants,animal
tresset_1 [31]

Biomes are very large ecological areas on the earth’s surface, with fauna and flora (animals and plants) adapting to their environment. Biomes are often defined by abiotic factors such as climate, relief, geology, soils and vegetation. A biome<span> is NOT an ecosystem, although in a way it can look like a massive ecosystem. If you take a closer look, you will notice that plants or animals in any of the biomes have special adaptations that make it possible for them to exist in that area. You may find many units of ecosystems within one biome. 

There are five major categories of biomes on earth. In these five, there are many sub-biomes, under which are many more well defined ecosystems.

</span>

<span>The Desert Biom - Deserts makeup about 20% of total land cover on earth and are characterized by little (less than 50cm/yr) or no rainfall. Desert biomes come in four major kinds— each of these having their unique features but have similarities in their biotic and abiotic makeup. They are the Hot and Dry Deserts, Semi Arid Deserts, Coastal Deserts and Cold Deserts, and within these are many deserts located in many places of the world.</span>

The Aquatic Biome<span> - This includes all water bodies on the earth’s surface. Aquatic biomes are grouped into two, Freshwater Biomes (lakes and ponds, rivers and streams, wetlands) and Marine Biomes (oceans, coral reefs and estuaries). These biomes make up about 73% of the total 
earth’s surface.</span>

 

The Forest Biome<span> - Forests makeup about 30% of the total land cover on earth and are of incredible value to life on earth. They are a store of carbon and play a very important role in climate control. They have a watershed role and are a source of many raw materials that humans depend on. </span>

The Grassland Biomes:<span> <span>There are two main types of grassland biomes: the Savanna Grasslands and the Temperate Grasslands. </span></span>

The Tundra Biomes:<span> <span>There are two major tundra biomes—The Artic Tundra and the Alpine Tundra. </span></span>

5 0
4 years ago
Explain what is meant by the carrying capacity of a particular population in a ecosystem
Vesna [10]

carrying capacity is the max number of individuals an ecosystem can sustain comfortably due to the number of resources it has.

7 0
3 years ago
You observe a high proportion of malarial infections in a small village located in Angola. Malaria is caused by the protozoan Pl
svet-max [94.6K]

Answer:

<em>B and C.</em>

Explanation:

The epidemiological triangle is an illustration of interaction among suitable hosts, disease agents, and the environment that drives successful outbreak of diseases.

In order to successfully tackle or reduce the incidence of a disease, the triangle has to be broken.

<em>In the case of malaria which is caused by plasmodium but spread through the female anopheles mosquito, one way of breaking the epidemiological triangle is to eliminate female anopheles mosquito in the environment using any possible means. This will stop the spread of the parasite and hence, the disease.</em>

<em>Another way to reduce/prevent malaria is to prevent the vector, female anopheles mosquito from getting to the host, the human populace. This can also be achieved by several possible means.</em>

Relocating the entire village to a neighbouring village might not break the epidemiological triangle as long as female anopheles mosquito still abounds. In the same vein, antibacterial drugs will not help to treat malaria. However, instructing residents on personal protective measures and controlling the vector through chemical larvicides will go a long way in breaking the triangle and reducing the incidence on the malaria disease.

<em>The correct options is B and C.</em>

5 0
4 years ago
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