Answer:
FloodPlains
Explanation:
The floodplains mix with the dirt in the water in which then makes it brown. You're welcome:)
The floodplain is making the water brown in color.
A flood plain area can be defined as a specific land area prone to be flooding.Floodplain areas are often found in the coastline of streams and/or rivers.The brown color is due to the presence of soil that mixes with water.In conclusion, the floodplain is making the water brown in color.
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After the collision, car 1 has a final velocity of 6m/s south. What is the final velocity of car2?
a) 35m/s north
b) 35m/s south
c) 81 m/s north
d) 81 m/s south
A micro element that is essential for the formation of haemoglobin
Iron ( Fe ) is a micro element that is essential for the formation of haemoglobin.
Hemoglobin has two components-
Haem - The iron partGlobin - The proteinaceous partA runner of 60kg accelerates at 2.0 m/s at the start of race calculate the force provided from her legs
Answer:
120 kgm/s
Explanation:
Force= mass× acceleration
= 60kg × 2.0m/s
= 120 kgm/s
Research and define pressure, as it relates to air or water pressure.
Answer:
PRESSURE is a force exerted by the substance per unit area on another substance.
The key difference between water pressure and air pressure is that one is made up of water and the other is made up of air. Both air pressure and water pressure are based on and follow the same physical principals.
Explanation:
Two train cars with the same mass (30,000 kg) are traveling in the same direction when they collide.
Train Car A has a velocity of 10 m/s and Train Car B has a velocity of 5 m/s. What is their total
momentum after the collision? Make sure to show all your work and include proper units.
Answer:
25
Explanation:
I just did this
Un atleta tiene en un instante dado una velocidad de 4 m/s. Si a partir de ese instante y durante 2 s adquiere un MRUA con una aceleración de 3 m/s2. Calcula la velocidad que alcanza al cabo de esos 2 s.
Answer:
Velocidad final, V = 8 m/s
Explanation:
Dados los siguientes datos;
Velocidad inicial, u = 4 m/s
Aceleración, a = 2 m/s²
Tiempo, t = 2 segundos
Para encontrar la velocidad final (v), usaríamos la primera ecuación de movimiento;
V = u + at
Sustituyendo en la fórmula, tenemos;
V = 4 + 2*2
V = 4 + 4
Velocidad final, V = 8 m/s
El diámetro del embolo de una jeringa para inyección mide 1.5 cm. Una enfermera ejerce una fuerza de 2N cuando inyecta a su paciente. Calcule la presión que ejerce el fluido inyectado sobre las venas.
Answer:
Presión = 11111,11 N/m
Explanation:
Dados los siguientes datos;
Diámetro = 1,5 cm a metros = 1,5 / 100 = 0,015 m
Fuerza = 2N
Para encontrar la presión;
En primer lugar, determinaríamos el área del círculo usando la fórmula;
Área del círculo = πr²
Radio = diámetro/2 = 0.015/2 = 0.0075 m
Área de la jeringa = 3.142 * 0.0075²
Área de la jeringa = 3.142 * 0.00005625
Área de la jeringa = 0.00018 metros
Ahora, podemos encontrar la presión usando la fórmula;
Presión = fuerza/área
Presión = 2/0.00018
Presión = 11111,11 N/m
what does heat trapped by pollution cause?
A. Acid rain
B. Decomposition
C. Greenhouse effect
Answer:
C. Greenhouse Effect
Explanation:
The greenhouse effect is caused by heat trapping pollution in the atmosphere.
Why friction is called necessary evil?
Explanation:
Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. ... Hence it is considered as a necessary evil .
Explanation:
Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. ... Hence it is considered as a necessary evil .
If a chemical reaction has a AH value of -125 kJ, it would be considered what?
A. an exothermic reaction
B. a reaction that absorbs energy
C. an endothermic reaction
D. A reaction that probably gets cold
exothermic
Explanation:
negative means it's losing energy
Determine both the mass and the charge of a block of material consisting of 3 x 10^27 protons, 3 x 10^37 neutrons, and 3.1 x 10^27 electrons.
Answer:
The mass of the block of material is 3 x 10³⁷ g/mol
The charge of the material is 4.8 x 10⁸ C
Explanation:
Given;
number of protons of the material, P = 3 x 10²⁷
number of neutrons in the material, N = 3 x 10³⁷
number of electrons in the material, E = 3 x 10²⁷
The mass of the block of material is calculated as follows;
M = P + N
M = 3 x 10²⁷ + 3 x 10³⁷
M = 3 x 10³⁷ g/mol
The charge of the material is calculated as follows;
charge of 1 electron = 1.6 x 10⁻¹⁹ C
charge of 3 x 10²⁷ electrons = 3 x 10²⁷ electrons x 1.6 x 10⁻¹⁹ C
= 4.8 x 10⁸ C
Expresa en notación científica los siguientes números en notación científica estándar: a) 9367421= b) 7241= c) 0.0005519= d) 0.02=
Answer:
so yeah it is Respuesta
Calculate the first and second velocities of the car with three washers attached to the pulley, using the formulas
v1 = 0.25 m / t1, and
v2 = 0.25 m / (t2 – t1)
where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. Record these velocities, to two decimal places, in Table E.
What is the first velocity of the car with three washers at the 0.25 meter mark?
m/s
What is the second velocity of the car with three washers at the 0.50 meter mark?
m/s
Answer:
0.19 and 0.45
Explanation:
edge
The first and second velocities of the car are [tex]0.25/t_1[/tex] and [tex]0.50/t_2[/tex]respectively.
What is velocity?The velocity of an object is defined as the product of the distance travelled in a given direction and the time required to travel that distance. The velocity is expressed mathematically as,
v = d/t
Here, d represents the travelled distance.
And t is the typical amount of time needed to go the distance.
Given,
The value of the first distance is, d1 = 0.25 m.
The value of the second distance is, d2 = 0.50 m.
Then the first velocity of the car at 0.25 m is,
[tex]v_1 = d_1/t_1\\v_1 = 0.25 / t_1[/tex]
Thus,[tex]t_1[/tex] denotes the first distance's typical time.
The second velocity of the car with three washers at the 0. 50 m mark is
[tex]v_2 = d_2/t_2\\v_2 = 0.50 /t_2[/tex]
Here, [tex]t_2[/tex] stands for the second distance's typical time.
Thus, the first and second velocities of the car are [tex]0.25/t_1[/tex] and [tex]0.50/t_2[/tex]respectively.
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HOW TO ANSWER THIS QUESTION PLEASE
Answer:
radioactive decay is a random processuse long tongsExplanation:
Quantum theory has taught us that virtually everything to do with the nature of matter in the universe is a random process. The decay of atomic nuclei is something that makes that randomness "visible" with appropriate instrumentation. As such, the rate of decay will vary over the "short" term. Consequently, it is not surprising to see a variation of a few counts in an activity measurement over a period of a few minutes.
__
Safety with respect to radioactive materials involves staying as far away from them as possible. The use of long tongs for handling would be appropriate.
Answer:
Radioactive decay is a long proxyUse long tongs↔ for safety precautions the scientist should used this upon working with radioactive materials in a laboratory.
When you use a microwave, what is the main way that heat is transferred?
1. radiation
2. convection
3.conduction
Answer:
the correct answer is 1. radiation
Please answer correctly
No trolling or links, please
Answer: Wave a the first answer is right
Brainliest.
Explanation:
That minimum coefficient of static friction between the tyres and the road that will allow the car that will round safely.
Answer:
The answer is "[tex]0.13562748[/tex]"
Explanation:
Please find the complete question in the attached file.
Using formula:
[tex]\bold{U_s=\frac{v^2}{rg}}[/tex]
Given:
[tex]r=1.60 \times 10^2 \ m\\\\g=9.8\\\\v= 52.5\ \frac{km}{hr}= 14.583\ \frac{m}{s}[/tex]
put the value into the above-given formula:
[tex]U_s= \frac{14.583^2}{160 \times 9.8}[/tex]
[tex]= \frac{212.663889}{1568}\\\\=0.13562748[/tex]
Waldo needs to know how much force to apply in order to move a 4000-kg object at 2 m/S2. Which law should he refer to
Answer:
Newton's second law of motion?
An object is travelling 15 m/s. How long does it take for it to go 75 m?
Answer:
5 seconds
Explanation:
I need help so bad pls pls help
Answer:
I think it is protection
Answer:
I think it might be PROTECTION but i not sure for a fact
Sorry if i get it wrong ;]
Explanation:
If you walk for 1.5 hours at an average speed of 4 miles/hr. How far will you have walked?
What are two ways fission is used in the real world.
Answer:
germ cleaning
and getting up cooking grease
Explanation:
hence, the force needed to accelerate the 1000kg car by 3m/s2 is 3000N
Answer:
i'll answer your question but follow me first
what type of beetle is this?
How does the strength of a magnetic field around a wire vary?
Answer:
By pointing one's right thumb along the direction of the current, the direction of the magnetic field can by found by curving one's fingers around the wire. The strength of the magnetic field depends on the current I in the wire and r, the distance from the wire.
How do you get DC current and AC current? from a generator?
Answer:
They do that by converting rotating mechanical energy into electrical power. Portable generators use an engine—typically running on gasoline, diesel, or propane, to turn an alternator which produces alternating electrical current or AC.
please tell what is energy
Answer:
the capacity to do work is called energy
Light waves Group of answer choices are not electromagnetic radiation. do not require a medium. can not travel in a vacuum. do not travel in straight lines from the source.
Answer:
do not require a medium
Explanation:
Light waves can be regarded as electromagnetic waves and it transverse in nature, no medium material is required to pass through. Light wave can travel through vacuum and it's ray can travel in straight lines even from point source. Light convey energy in perpendicular direction to electric field as well as magnetic field.
12
C
6
What is the number of protons in this carbon atom?
OA. 12
OB. 6
O C. 18
OD. 24
Answer:
B. 6
Explanation:
i think... im in 7th grade and haven't really leaned this but im like 60% sure but i migjt be wrong
Answer:
your answer is B 6 protons
Explanation:
since the atomic number for carbon is 6 it also represents the number of protons and electrons
If the car goes exits a freeway and goes from 65
mph to 35 mph is it accelerating?
Answer:
No, the car is decelerating
Explanation:
No the car is decelerating if it exits a freeway and goes from 65
mph to 35 mph since the change in velocity is negative.
change in velocity = final - initial
change in velocity = 35 - 65
change in velocity = -30mph
Since the change in velocity is negative, hence the car is decelerating. Deceleration is a negative acceleration