Answer:Displacement method
Explanation:Placing irregular object in a Tube and then measuring the amount of water that either gets displaced from the container or goes up with the creatube and then measuring the amount of water that either gets displaced from the container or goes showing how much volume irregular object is.
In displacement method can be used to accurately measure the volume of oddly shaped objects.
What is the displacement method?The water displacement method can be described as a system of measurements used to find the volume of an object that has an irregular shape. A graduated cylinder will be used to measure the amount of liquid volume an object filled, but it can be done with less scientific techniques.
In order to determine the volume of an irregularly shaped solid, a person can use the water displacement formula. A container of water would require to be measured accurately, and precisely, with a starting volume of water.
Next, the solid will need to be completely submerged underwater, without any part of the object above the water. The water level has risen, and the final volume of the water requires to be recorded. The starting volume of the container requires to be subtracted from the final volume to get the volume of only the object.
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Two teams are playing tug of war. Team A pulls to the right with a force of 450 N. Team B pulls to the left with a force of 415 N.
Answer:
Two teams are playing tug of war. Team A pulls to the right with a force of 450 N. Team B pulls to the left with a force of 415 N
Answer:
A. 35 N to the right.
EXPLANATION: 450 is going to the right so you subtract what is going against it. Which gives you 35. And because 450 is bigger than 415, it'll be going to the right.
what are fossil fuels?
Answer:
Fossil Fuels are natural fuels like coal or gas that were formed millions of years ago and take millions of years to form. They are formed from the remains of past living organisms.
Explanation:
Well you do no really need an explanation for this one...
help pls!!
acceleration:
a) the rate of change of position
b) acceleration caused by the force of gravitation
c) the rate of change in velocity; speeding up, slowing down, or changing direction
d) for every action force, there is an equal and opposite reaction force
Answer:C.
Explanation:
The rate of change in velocity; speeding up, slowing down, or changing direction
A student leaves his house and walks 4 m east to friend's house, and then turns and walks 7 m west to the library in 120 seconds. Determine the student's average velocity for his entire walk.
Answer:
v_average = -0.025 m / s
the minus indicates that the velocity is to the west.
Explanation:
For this exercise we use the definition of average velocity
v_average = (x₂-x₁) / Δt
Let's keep in mind that the velocity is a vector, so the displacement is
x₂ - x₁ = 4 - 7 = -3
the minus indicates that the shift is to the west.
Let's calculate
v_average = -3 / 120
v_average = -0.025 m / s
the minus indicates that the velocity is to the west.
What is energy????????
Answer:
Energy is the ability to do work.
Explanation: Work is just the act of displaying something by applying force.
Sea and land breezes over a large region that change direction with the seasons are called_____________.
3. A person of mass 100 kg stands on a scale in an elevator. The elevator moves downward at a steady speed. Is the scale reading greater than, less than, or equal to 1000 N? Justify your answer.
Answer:
less than
Explanation:
Given;
mass of the person, m = 100 kg
acceleration due to gravity, g = 9.8 m/s²
The reading on the scale is determined by applying Newton's second law of motion;
R = mg - ma
R = m(g-a)
at constant velocity, the acceleration is zero
a = 0
R = m(g-0)
R = mg
R = 100 x 9.8
R = 980 N
Thus, the scale reading is equal to the weight of the person but less than 1000 N
Find the average velocity (in m/s) of a bicycler that starts 200 meters north of Norwalk and is 2,000 meters north after 45 minutes.
Answer:
The answer is 10
Explanation:20 x 10 = 200
what are the three parts to tell the cell theory
Answer: 1. Organisms are made of cells
2. Cells are the most fundamental unit of life
3. Cells come from other cells
Explanation:
Hope this helps!!
What do you like about science?
Answer:
nngh have
bjruh hjrhhj be rnrnnrnrnnnrnjrjnnnnnnnnrnrn n n and I was nrn
Explanation:
jbbbbbhhhjjnnnnnnnnnnjhvcc
Explanation:
A sled is at rest at the top of a slope 2 m high. The sled has a mass of 45 kg. What is the sled’s potential energy?
Answer:
its 882 J
Explanation:
the answer is D for edge
A race car speeds up with an acceleration of 10 m/s2 for 21 s. If its final velocity is 210 m/s, find its initial velocity.
Answer:
answer is 0m/ sec
please follow me.
Read the excerpt from "Introduction to Poetry" by Billy Collins. or walk inside the poem's room and feel the walls for a light switch. How does this metaphor reveal Collins’s message? The metaphor suggests that poetic themes are serious and dark. The metaphor suggests that readers should explore poems in depth. The metaphor insists that readers should move about while reading. The metaphor insists that one must know the poet to understand the poem.
Answer:
d
Explanation:
hi
Answer:
the answer is b The metaphor suggests that readers should explore poems in depth.
Explanation:
I got it right
5. What is the velocity of a Nolan Catholic football player if he runs 200.0 m in 24.0 s?
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed {\sf{8.33 \: m \:/s \: }}}}} [/tex]
Explanation:
Distance travelled = 200 metre
Time taken = 24 second
Velocity = ?
Finding the velocity
[tex] \boxed{ \sf{velocity = \frac{distance \: travelled \: }{time \: taken}}} [/tex]
[tex] \dashrightarrow{ \sf{velocity = \frac{200 \: m}{24 \: s} }}[/tex]
[tex] \dashrightarrow{ \sf{velocity = 8.33 \: m/s}}[/tex]
Hope I helped!
Best regards!
Why ultrasound is useful in medical field???
Answer:
It allows you to see fetuses before they are born.
Explanation:
because it has many helpful measures....
it helps in breaking and crushing the kidney stones...due to its high frequency....
When writing a number in scientific notation, how many digits should be to
the left of the decimal point?
o
A. None
B. One
C. Two
D. It depends on how precise you want your answer to be.
Answer:
C
Explanation:
Identify the term used to describe the number of protons and neutrons that are present in an atomic
nucleus.
In a college of exactly 2560 students, exactly 50 % are male. What is the number of female students?
Which of the following is an example of a chemical property? Density Solubility Flammability Magnetism
Answer:
Hey there!
Flammability is a chemical property. It doesn't change based on what state of matter the object is in.
Let me know if this helps :)
Answer:Flamibilliety
Explanation:
The United States spends over $20 billion a year on space exploration through NASA. Do you think that this has been worth the cost? In three to five sentences, provide two specific examples of things we have learned from space exploration, and explain how these examples influence your opinion.(4 points)
Sunday, July 20, marked 45 years since the United States put the first two astronauts safely on the moon. The cost for the Mercury, Gemini and Apollo programs was more than $25 billion at the time more like $110 billion in today’s world. The ensuing U.S. space efforts have cost an additional $196 billion for the shuttle and $50 billion for the space station. NASA’s total inflation-adjusted costs have been more than $900 billion since its creation in 1958 through 2014 (more than $16 billion per year). Looking back, have we gotten our money’s worth from the investment?
IamSugarBee
which type of mixture is air explain
Answer:Three elements make up over 99.9 percent of the composition of dry air: these are nitrogen, oxygen, and argon.
Explanation:
Answer: Air is an gaseous substance
Explanation:
Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and many other substances dissolve in water to form homogeneous mixtures.
A person driving a car suddenly applies the brakes. The car takes 7.0 s to come to rest while traveling 26 m at constant acceleration. What was the initial speed of the car (in m/s)?
Answer:
7.43 m/s
Explanation:
Time taken for car to stop = 7.0 s
distance traveled before coming to rest = 26 m
Final speed of the car = 0 m/s (since it stops)
initial speed of the car = ?
To get the final speed, we use the equation
s = [tex]\frac{1}{2}t(u + v)[/tex]
where
s is the distance traveled before stopping
u is the initial speed = ?
v is the final speed = 0 m/s
t is the time = 7 s
substituting values, we have
26 = [tex]\frac{1}{2}*7*(u + 0)[/tex]
26 = 3.5u
u = 26/3.5 = 7.43 m/s
If you have 2 flowers, but then your friend gives you one, how many do you have?
Answer:
3
Explanation:
Answer:
2+1=3
Explanation:
cause why not
List two examples of the following states of matter: solids, liquids, and gases. Please answer in NO LESS THAN 3 complete sentences.
Answer:
Matter can exist in one of three main states: solid, liquid, or gas. Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles.
Key Takeaways: Examples of Solids, Liquids, and Gases
A solid has a defined shape and volume. A common example is ice. A liquid has a defined volume, but can change state. An example is liquid water.There are four natural states of matter: Solids, liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates. In a solid, particles are packed tightly together so they don't move much.
Explanation:
X-rays are used to take pictures of your bones. UV rays just burn your skin. Why do you think x-rays can go through skin and UV rays cannot?
(Please help, And try to be as detailed as possible.)
Answer:
yes x rays are like light rays the difference is that they v
can oass through stuffs
skin and fats doesn't block more of the x rays
Explanation:
why uv cannot go through it us dangerous causing skin disease and cancer,skin itchness and redness and ut is cumulative
Jim rode at an average speed of 12mph in 2 hours the he walked at an average of speed of 3 mph 0.5 hours what was the total distance covered by Jim
Answer:
12mph in 2hrs and 3mph in 0.5hrs the total distance would be 12*2 and 3*0.5 which would be 24 and 1.5 so we add those 24+1.5= 25.5. The answer would be 25.5
a cross country runner runs 10 km in 40 minutes. what is his average speed
◈ Average speed is measured as the ratio of total distance travelled to the total time taken.
Given : d = 10km and t = 40min
To Find : Vav
_________________________________
፨ Conversion :-
60 min = 1 h
40 min = 40/60 = 2/3 h
[tex]:\implies\sf\:V_{av}=\dfrac{d}{t}[/tex]
[tex]:\implies\sf\:V_{av}=\dfrac{10\times 3}{2}[/tex]
[tex]:\implies\sf\:V_{av}=\dfrac{30}{2}[/tex]
[tex]:\implies\:\boxed{\bf{\orange{V_{av}\:15\:kmph}}}[/tex]
It's important to match your exercise shoes with the type of exercise in which you will be participating.
Answer:
True
Explanation:
Answer:
True is the correct answer
Explanation:
i took the test
Which statement describes an advantage of models? Models can be used to communicate and test designs ideas. Models always show the exact size of a system. Models have the ability to develop into complex systems. Models are useful for developing scientific methods.
Answer:
Models are useful for developing scientific methods.
Explanation:
Which statement describes an advantage of models? And Developing is an advantage of a model.
Developing scientific methods.
What are scientific methods?
"The scientific method is a process for experimentation that is used to explore observations and answer questions."
The scientific method has five basic steps, plus one feedback step:
Make an observation.Ask a question.Form a hypothesis, or testable explanation.Make a prediction based on the hypothesis.Test the prediction.Iterate: use the results to make new hypotheses or predictions.
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A cruise took 6 hours to fulfill its trip. It travelled at an average
speed of 160 km/h for the first 2 h 15 min. For the remaining
journey, it travelled at an average speed of 180 km/h. What was
the total distance of the journey?
Answer: 1035
Explanation: