Answers
I think it's the yellow one
Related Questions
If a cat falls off a ledge, the Earth pulls the cat to the ground with the force of gravity. According to Newton's Third Law there must be a reaction force. What is that reaction force?
A. The cat pulls on the Earth
B. The cat’s acceleration is decreased by air resistance
C. The Earth hits the cat
D. The cat falls to the ground
E. The cat hits the Earth
Answers
Answer:
The answer Is B.
Explanation:
The cats acceleration is decreased
by air resistance.
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ANSWER
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QUESTION
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B
Which of the following are strategles that will help you in the process of losing weight?
-watch TV while eating
-monitor your progress
-go to restaurants often to build your will power
- inform your friends about your
weight-loss plan
Answers
Students are asked to create a model that shows the components that help an organism process sensory input.
Organize the components in order from simplest to more complex that help an organism process sensory input.
brain
nervous system
brain tissue
nerve cell
Answers
The energy transferred to the water in 100 seconds was 155 000 J. specific heat capacity of water = 4200 J/kg °C
Determine the mass of water in the kettle.
Use Figure 10.
Give your answer to 2 significant figures.
Any help would be appreciated
Answers
Answer:
0.37 kg
Explanation:
I'm not a professor myself, but this is how I worked it out:
using the graph, after 100 seconds, the temperature is 100 degrees Celsius.
If we now substitute everything into the specific heat capacity equation, making the mass "m", we would come up with:
4200 = 155000/(m x 100)
If we rearrange and solve for m, we get 0.37 kg.
I'm not sure if I have done this correctly, feel free to correct me.
Hope this helps!
By using the specific heat capacity formula, the mass of water in the kettle is 0.47 kg
Give that the energy transferred to the water in 100 seconds was 155 000 J and the specific heat capacity of water = 4200 J/kg °C
From the graph;
The initial temperature of the water at time zero is 22 degree Celsius
The final temperature of the water at time 100s is 100 degree Celsius
Change in temperature (T) = 100 - 22 = 78 degree Celsius
To determine the mass of water in the kettle, use the heat energy formula below
E = mcT
Substitute all the parameters into the equation
155000 = 4200 x 78 M
Make M the subject of the formula
M = 155000/327600
M = 0.47 kg
Therefore, the mass of water in the kettle is 0.47 kg
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You kick a ball. You are doing work on the ball when...
Answers
What happens during the process of deposition
Answers
Which of the following decreases the dissolving rate of a solid in water?
A.
crushing the solid
B.
raising the temperature
C.
using larger pieces of solid
D.
stirring constantly
Answers
Answer:
Answer is C
Explanation:
Using larger pieces of the solid creates more area for dissolving therefore causing the decrease in dissolving...
Hope this helps
Mike drives his car 60 km in 55 minutes. What is the
average speed?
Answers
Answer:
0.0050m/s
Explanation:
=60km/55m
=16.66/3300
=0.0050m/s
What is the correct sequence for light traveling through a microscope?
light – objective lens – slide – eyepiece lens
light – slide – objective lens – eyepiece lens
eyepiece lens – objective lens – slide – light
slide – light – objective lens – eyepiece lens
Answers
Answerbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:
Explanation:
b
Which of the following elements would you predict to have properties most like that of silicon, aluminum, phosphorous, or germanium?
Answers
A man digs a hole in the soil next to a bush. How does the shovel make work easier for the man digging the hole? Check all that apply. The shovel changes the direction of the force the man applies. The man can apply less force. The man has to apply more force. The force applied by the end of the shovel decreases. The force applied by the end of the shovel increases.
Answers
Answer:
Following are the solution to the given points:
Explanation:
The shovel shifts the course of the man's force.
Man can use less power.
The strength at the end of the shovel is growing.
Its shovel is a tool that is used to excavate and transfer its large particles. This streamlines the job for all the men to find the pit.
Its machines modify their method that uses force. Its man must therefore use less force to lift the bulk material.
Answer:
The shovel changes the direction of the force the man applies.
The man can apply less force.
The force applied by the end of the shovel increases.
(a,b,e)
Explanation:
edge 2021
The bones of the middle ear cause which structure in the inner ear to vibrate and change the sound into signals?
a) eardrum
b) cochlea
c) hammer
d) auricle
Answers
Answer:
B
Explanation:
The cochlea is the part of the inner ear involved in hearing. It is a spiral-shaped cavity in the bony labyrinth, in humans making 2.75 turns around its axis, the modiolus.
Answer:
the answer is the cochlea
Explanation:
the eardrum receives the sounds and the cochlea "decifers them" so you know what words people are saying or what sound is playing.
How does a “super-crest” form?
a) It is the meeting of two waves coming from two different points, traveling at the same frequency.
b) It is the separation of two waves coming from the same point, traveling at the same frequency.
Answer Quickly, Please!!!
Answers
Answer:
a.) It is the meeting of two waves coming from two different points, traveling at the same frequency.
Explanation:
Correct me if I'm wrong, it's just my own opinion. Thankyouu!
Answer:
A. It is the meeting of two waves coming from two different points, traveling at the same frequency.
Explanation:
If the crest of 1 wave meets the crest of a second wave at a given instant in time and location along the medium, a "super crest" is formed, hope this helps....
The national government would like to start a program that would give states money for flood relief. Which of the following states could most likely benefit from a program like this?
Answers
Answer:
When a disaster is declared, the Federal government, led by the Federal Emergency Management Agency (FEMA), responds at the request of, and in support of, States, Tribes, Territories, and Insular Areas and local jurisdictions impacted by a disaster.
Explanation:
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What is the trade off between the input and output forces when someone uses a screw?
Answers
Un cuerpo cuya masa es de 20 kg se lleva primero a la luna y luego a marte. Teniendo en cuenta el factor que liga masa y peso en marte es de 3,8 N/Kg
Answers
Answer:
W = 76 N
Explanation:
In this exercise you are asked to find the weight of the body.
Mass is a quantity that is invariant, it measures the same everywhere, the weight depends on where it is measured, a simple way to find the weight of a body is
W = g m
where g is the constant of the place, in this case we have the weight of the body on Mars and its mass which is constant on Earth and on Mars
W = 3.8 20
W = 76 N
How much force is needed to keep the bowling ball moving towards the pins once it has
left the man's hand?
PLEASE HELP!
Answers
Answer:
a lot of force is the answer
Explanation:
happy Ramadan kid
a hot iron bar is placed 100ml 22C water. the water temperature rises to 32C. how much heat did the water gain and how much heat did the iron bar lose? Q=change T x C x M
Answers
Answer:
Water gained: 10Iron lost: -10Explanation:
Given: Hot iron bar is placed 100ml 22C water, the water temperature rises to 32C
To find: How much heat the water gain, how much heat did the iron bar lost
Formula:Q = change T x C x M
Solve:
How much heat water gained
Initial heat = 22, then rose to 32. To find how much heat the water gained, simply subtract the current heat by the initial heat.
32 - 22 = 10
The water gained 10 amounts of heat.
How much heat Iron lost
Current heat = 32, then dropped to 22. To find how much heat the Iron lost, simply subtract the initial heat by the current heat.
22 - 32 = -10
The Iron lost -10 amounts of water.
8. A man takes one minute to lift 4 bags of sugar each of weight 50N
through a height of 1.5m. Calculate the power expanded
A. 1.25W
B. 5.00W
C. 75.00W
D. 300.00W
Lunite of measurements are
Answers
Answer:
D
Explanation:
the formula is F=mgh
so now you can write it like
m= 4×50=200
200×1.5×10=30000
An atom's atomic mass (mass number) is its number of
Answers
Answer:
Is equal to the sum of the number of protons and neutrons in the nucleus.
Explanation:
Recommend An architect wants to design a conference room that
reduces noise coming from outside the room. Suggest some design
features that should be considered in this project.
Answers
Answer:
Install sound absorbers such as foam or acoustical panels
Explanation:
They could install some sound absorbers such as foam or acoustical panels in the walls, floors, and ceiling of the conference room.
True
False
PLEASE HELP
Answers
Answer:
False
Explanation:
10 is not the same as -10 but if -10 is the absolute value they would be the same
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2. When braking and turning, you use ___?
a. All four wheels of traction
b. Only the outside edge of your tires
c. Split traction
d. Additional traction
Answers
Answer:
split traction
Explanation:
Help pls sand quickly plssssss
Answers
Answer:
The magnet produces an electric current in the wire
Explanation:
Answer: the first one is right
Explanation:
Car accelerates uniformly from 22.5 m/s to 46.1 m/s in 2.47
seconds. Determine the acceleration of a car.
Answers
a= 46.1-22.5/2.47
a=23.6/2.47
a=9.55m/s2
A sound wave is produced by a musical instrument for 0.40 second. If the frequency of the wave is 370 hertz, how many complete waves are produced in that time period? *
A) 200 waves
B)150 waves
C)100 waves
D) 50 waves
Answers
Explanation is in a file
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The number of waves produced by the musical instrument during the given time is 148 waves.
What is meant by frequency of a wave ?Frequency of a wave is defined as the number of oscillations completed by the wave in one second.
Here,
The frequency of the wave, f = 370 Hz
That means the wave completes 370 oscillations in 1 second. Or 370 waves are produced by the musical instrument in 1 second.
The time taken by the instrument to produce waves, t = 0.4 s
Therefore,
The number of waves produced by the musical instrument during this time is,
n = f x t
n = 370 x 0.4
n = 148
Hence,
The number of waves produced by the musical instrument during the given time is 148 waves.
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what is the most dense type of stars?
Answers
Answer:
A neutron star is the most intensely dense object in all the universe. Of course, the argument can be made that a black hole is the most dense, but considering that a black hole is technically beyond the event horizon, it is neutron stars that get the top spot for the being the ‘most dense’.
Explanation:
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Volleyball took some of its characteristics from handball and tennis
True
False
Answers
Answer:
True Because if we observe carefully we will see that some moves of volleyball are similar to handball and tennis
A 1.3 kg book has 11.7 joules of potential energy relative to the floor when it's sitting on top of
Brenda's dresser. Calculate how tall Brenda's dresser is?
Answers
A window cleaner has a weight of 839.86 N. The window cleaner is cleaning windows on the 4th floor of a building at a height of 12 m. How much potential energy does the window cleaner have?
Answers
Answer:
E = 10078.32 J
Explanation:
Given that,
The weight of a window cleaner, F = 839.86 N
The window cleaner is cleaning windows on the 4th floor of a building at a height of 12 m.
We need to find the potential energy of the window cleaner. We know that the potential energy of an object is given by :
E = mgh
Put values,
E = 839.86 × 12
E = 10078.32 J
So, the window cleaner will have 10078.32 J of potential energy.
