PLZZZZZ! HELP! I'll give brainliest to the first correct answer, five stars, and a heart!
Answers
Answer:
frequency: 2nd choice
period: 4th choice
amplitude: 1st choice
wavelength: 3rd choice
speed: 5th choice
Related Questions
An archer shot a 0.07 kg arrow at a target. The arrow accelerated at 4,000 m/s2 to reach a speed of 50.0 m/s as it left the bow. During this acceleration, what was the net force on the arrow?
A) 280 N
B) .0000175 N
C) 57,142 N
D) 3.5 N
Answers
The net force which has to be applied on the arrow of 0.07kg to accelerate at the rate of 4000m/s² is 280N. Thus, the correct option is A.
What is Force?
A force is an influence which can be a push or a pull that can change the motion of an object. A force can cause an object with some mass to change the velocity, i.e., results into acceleration. A force is a vector quantity as it has both the magnitude and direction.
Force applied on an object can be calculated by the formula:
f = m × a
where, f = force applied,
m = mass of the object,
a = acceleration of the object
Therefore, the force applied on the arrow is:
f = m × a
m = 0.07kg
a = 4000m/s²
f = 0.07 × 4000
f = 280N
Therefore, the correct option is A.
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Giving brainliest if you answer correct1!1!1!1!1!
What happens to the atoms of a substance when it burns?
Answers
Answer:All the atoms rearrange to form a different substance or different substances
Explanation:An atom is the smallest unit from which a matter can be made.
When the atoms in a substance get heated, the atoms release energy.
The atoms and molecules combine.
So all the atoms rearrange to create a different substance or different substances.
This is a written question.
No link answers please!!!
1.Predict the change seen in the balloon in the freezer
2.Explain your prediction
3.Use the equation to provide additional support for your prediction
Answers
Answer:
2
Explanation:
it freezes from liquid to solids
A balloon holds 50.0 mL of nitrogen at 25° C and a pressure of 736 mm Hg.
According to Boyle's Law, answer the following questions for 2 points each:
What will be the effect on the pressure inside the balloon if the volume is decreased to 25 mL?
Explain how this would demonstrate Boyle's Law.
Explain Boyle's Law in terms of the kinetic energy of molecules.
This is a written question
No link answers please!!!
Answers
Answer:
A container holds 50.0 mL of nitrogen at 25° C and a pressure of 736 mm Hg. What will be its volume if the temperature increases by 35° C?
✓ For this problem we would use the equation for Charles' Law which compares the direct relationship between Volume and Temperature when Pressure is …
The dots in electron dot diagrams represent ____ ____.
A core electrons
B electrical charge
C valence electrons
Answers
Answer:
C. valence electrons
Explanation:
Each dot is a valence electron.
Also, in my school, we called them Lewis Dot Structures.
No links, i will report any absurd answers. Make it a paragraph please- ill give branliest to the best answer
Answers
Find it there
The Humbolt squid can travel 410 meters in 60 seconds. The squids average speed is ____. (Round to the nearest tenth)
Answers
Answer:
They swim at speeds up to 24 km/h (15 mph; 13 kn).
Explanation:
Boyle’s Law: When____ is held constant, the pressure and volume of a gas are___ proportional.
It didnt give me a word bank
No link answers please
Answers
Answer:
When temperature is held constant, the pressure and volume of a gas are not proportional.
Explanation:
That is Boyle's Law
Boyle’s Law states that, when temperature is held constant, the pressure and volume of a gas are inversely proportional.
What is meant by gas laws ?Gas laws are defined as the laws that govern the properties of gases by determining the relationships between the pressure, volume and temperature of the gases.
Here,
Boyle's law is the gas law that governs the relationship between the pressure and volume of gases.
Boyle's law states that, for an ideal gas at a unit mass, the pressure of the gas is inversely proportional to the volume of the gas, at constant temperature.
P [tex]\alpha[/tex] 1/V
PV = a constant
When the temperature of the gas is held constant.
Hence,
Boyle’s Law states that, when temperature is held constant, the pressure and volume of a gas are inversely proportional.
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A Motion Demonstration Model is shown in the diagram. At which of these positions does the ball have both the greatest potential energy and the least kinetic energy?
A) Position W
B) Position X
C) Position Z
D) Position Y
Answers
Answer:
C
Explanation:
C) position z
Because the ball is no longer moving and is at the highest position that it can be (compared to w, x, and y).
PLsss help die in an hour- Am giving brainliest n no mfkn links *-*
A transverse wave is observed to be moving along a lengthy rope. Adjacent crests are positioned 2.4 m apart. Exactly six crests are observed to move past a given point along the medium in 9.1 seconds. Determine the wavelength, frequency and speed of these waves.
Answers
Answer:
wavelength: 2.4m
frequency: 6/9.1s
speed: 2.4 m * 6/9.1s
Explanation:
Science 8 - Electromagnetic Spectrum Worksheet
Answers
Answer:
1. Electromagnetic spectrum
2. Electromagnetic radiation
3. Radiant energy
4. Infared waves
5. Electricmagnetic radiation or Infared waves
6. Radio waves
7. Gamma rays
8. Radio waves
9. Ultraviolet rays
10. This is because it doesn’t contain water or a substance.
11. You should use sunscree and a hat to protect your skin from UV light that might cause skin cancer.
Hope this helps
Using The graph to answer 12 and 13. Number 14, 16, and 17 answer don't have to use graph. Please Help ASAP.
12- In The graph Below what events do these arrows mark? What happens during these events?
13- What event appears to have had the greatest impact? Explain your answer in terms of the Graph
14- What are two possible reasons why large poulations of organisms die?
16- Why did new and existing aquatic organisms flourish during the Mesozoic era? Use The terms glaciers, Pangaea, and sea level in your explanation.
17- Approximately how long did Precambrian time last?
A- 0.5 Billion years
B- 3.5 Billion years
C- 4.0 Billion years
D- 4.25 Billion years
Answers
Answer:
B 3.5 billion years
Explanation:
3.5 Billion years ago
How well does your physical environment support human activity?
Answers
Answer: The physics of human beings is often overpopulated, polluted, fossil-burning and deforested. These adverse effects can influence human behavior and lead to mass migration
Explanation:
Does sombrero galaxy orbit around anything?
Answers
Answer:
yes
Explanation:
Answer:
yes
Explanation:
name all of the processes of the rock cycle... and number them by the picture.... no links
Answers
Answer:
1. magma
2. igneous rock
3. sediments
4. sedimentary rock
5. metamorphic rock
6. melting
7. cooling, heating
8. weathering and erosion
9. compaction and cementation
10. heat and pressure
11. heat and pressure
12. weathering and erosion
Explanation:
just trust me .!!
if a reaction starts with 30 grams how many should it end with?
Answers
Im sorry i dont understand pls helpp -w-
How is temperature related to the physical change of a substance?
(100 word paragraph)
pls dont answer just for points
Answers
1. Chocolate melts and turns into liquid form. This is a physical change
2. Water freezes via cooling and forms ice which is in a solid state. This is another physical change
Hope this helped and have a nice day : )
Explanation:
it's about kinetic energy
with more heat particles in a substance get energy
with more cold atoms or molecules lose energy
both change the way particles are arranged
the way particles are arranged make something a has liquid or substance
Draw a motion time graph. Write a story to go along with your graph
Answers
A parallel circuit has a 125 Volt battery connected with 3 resistors. R1= 20 Ω, R2= 100 Ω, and R3= 50 Ω. Find the total current of this parallel circuit.
Hint: Find Total Resistance of a parallel circuit first then use Ohms Law I = V/R
10 A
1.5 A
8 A
16 A
Answers
Answer:
10A
Explanation:
to calculate r
1/R=1/20+1/100+1/50=2/25
r=25/2=12.5
I=125/12.5=10A
Why does autumn start in different months of the year in North America and South America?
A) The earth is tilted on its axis creating different seasons in the North & Southern Hemispheres at different points in its revolution around the sun
B) The earth is at a different distance from the sun due to its revolution
C) The sun is stronger during autumn due to the earth's elliptical orbit.
D) The earth’s tilt causes the Northern Hemisphere to receive more sun year-round Eliminate
Answers
Answer:
D
Explanation:
Autumn start in different months of the year in North America and South America due to the tilt in earth's axis creating different distance from the sun for different regions.
What are seasons ?A season is a time of year that can be identified by unique climatic features. Spring, summer, fall, and winter all occur in regular succession. Each has distinctive seasonal variations in light, temperature, and weather.
Each seasons starts at different month in two hemispheres of earth. This s due to the fact that, earth's axis is not perfectly circular and it is slightly tilted towards sun.
When the Northern Hemisphere is tilted toward the sun in June, more of the day is spent being illuminated by the sun's rays than it is in winter. As a result, there are longer daylight hours.
There are fewer daylight hours in December because the Northern Hemisphere is tilted away from the sun. Similarly the autumn season also differ from that of the southern hemisphere.
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help please rlly easy
Answers
Answer:
If its that easy do it yourself not tryin to be mean but this is just a stem and leaf diagram
Explanation:
Which is the source of variations in a population of organisms? No files or links 8th Grade. Please help ASAP.
A- Changes in enviroment
B- Changes in genes
C- The interaction of genes with an enviroment
D- The interaction of individuals with an enviroment
Answers
pls answer asap ill give brainliest
A 0.5-kilogram marble is dropped and falls for 2 sec. What is its velocity after 2 sec? Reminder - Acceleration due to gravity, on Earth = 9.8 m/s/s *
Answers
Gaining or losing energy changes the temperature of a substance is that true or false.
Answers
Answer:
I think its true
Explanation:
I don't get this, you don't really need to explain, I just need the answer.
Thanks!
Answers
Answer:
august 19 - low tide, high tide
august 20 - low tide, low tide
I really need help with this!! Will give brainliest if you help T^T
Answers
Answer:
What inferences can you make about the melting points of the different substances and the motion of their particles, based on the data? (ignore that needed it here so i could see it better.)
Explanation:
Butter has a lower melting point than the cheese and the wax. The motion of the cheese were a little separated while the butter articles have more space in between. The wax had the closest particles.
I dont know if that makes sense?
Any absurd answers will be reported, no links either. Ill give branliest to someone with the best answer and someone who answered them all correctly
Answers
Answer:
1. D
2.C
3. A
4. B
5. D
I tried my best hopefuly you get good grade :)
URGENTTT PLEASE HELP
Answers
Calculate the energy transferred by a 12V hairdryer, running on a current of 0.50A, that is left on for 8.0 minutes.
Answers
Step 1
List all the information in symbol form and change into appropriate and consistent SI units if required.
V=12V
I=0.5A
t = 8.0 minutes
= 8 × 60
= 480s
E=?
Step 2
Use the correct formula.
E=IVt
Step 3
Calculate the answer by putting the numbers into the formula.
E = IVt
= 0.5 × 12 × 480
= 2880J
The answer is 2880J :) hope this helps!
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10.A force that is applied to an object by a person or another object is called?
(10 Point)
A. Applied Force
B. Unbalanced Force
C. Balanced Force
Answers
Answer:
That is-
A. Applied Force
hope this helped! :)
If its not A den its
C but I think its A