A force of 16 N to the west is applied to each object below. Which object will undergo the greatest change in momentum
A force of 16 N to the west is applied to each object below , the object with greater mass and velocity have greater momentum. So, A 20 Kg object that is moving east at 10m/s.
What is force?
Force is an external agent acting on a body, to change it from the state of rest or motion. There are various kinds of forces such as frictional force, magnetic force, nuclear force etc.
In physics, force is the product of mass and acceleration of the body. Greater mass results greater force needed to be applied on the object to make it move or stop.
Momentum is the product of mass and velocity. Thus, as mass or velocity or both increases, momentum of the object increases. Hence the larger object moving faster will gain greater momentum.
Here, option C is the correct answer.
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The density of water is 1.00 g/cm3. The density of ethanol is 0.80 g/cm3. What is the volume of ethanol, in cm3 that has the same mass as 100 cm3 of water?
Explanation:
Given that,
The density of water is 1 g/cm³
The density of ethanol is 0.8 g/cm³
We need to find the volume of the ethanol that has the same mass as 100 cm³ of water.
Density=mass/volume
For water,
[tex]d=\dfrac{m}{V}\\\\m=dV\\\\m=1\ g/cm^3\times 100\ cm^3\\\\m=100\ g[/tex]
For ethanol,
[tex]d=\dfrac{m}{V}\\\\V=\dfrac{m}{d}\\\\V=\dfrac{100\ g}{0.8\ g/cm^3}\\\\V=125\ cm^3[/tex]
Hence, 125 cm³ of ethanol has the same mass as 100 cm³ of water.
Answer:
1.00 g/cm3
Explanation:
How can a person’s movement away and towards a reference point be analyzed using a position-time graph?
Answer:
Explanation:
You can plot their change in position per unit of time. By taking the slope of this graph, you can figure out the velocity at any point
How many meters are in a gigameter?
Answer:
1 gigameter = 1e+9 meter
Alan travels 100 km in 5hrs. Find his average speed in km/h
Answer:
The answer is 20 km/hrExplanation:
The average speed of an object given the time and distance covered can be found by using the formula
[tex]a = \frac{d}{t} \\ [/tex]
where
d is the distance
t is the time
From the question
d = 100 km
t = 5 hrs
We have
[tex]a = \frac{100}{5} \\ [/tex]
We have the final answer as
20 km/hrHope this helps you
According to the FDA, food producers should label their products with the scientific name of the ingredients only.
Answer:
???
Explanation:
What specifically are you asking about
Answer:
no
Explanation:
because , not all the time the buyers can understand the scientific meaning
How do you find the range of a data set?
A. Subtract the smallest value from the largest value
B. Add the largest value to the smallest value
C. Add all the data values together
D. Subtract the smallest value from the average value
SUBMIT
The answer is A.
The answer is A.
The answer is A.
You need to move a heavy box that has a mass of 50 kg. How much force must you apply to accelerate the box at 0.5 m/s/s?
9. What force is felt on a person when they 'free-fall down a large roller
coaster hill?
Which device manages the flow of current in an electric circuit?
the wire
the switch
the battery
the light bulb
Answer:
b
Explanation:
Switch is the device that manages the flow of current in an electric circuit.
What is meant by current ?Current in a conductor is defined as the rate of flow of charge through the conductor per unit time.
Here,
An electric circuit consists of various components such as wire, switch, light bulb, battery, etc.
The wire is a piece of metal strand through which the current flows in an electrical circuit.
Switch is the device that controls the flow of current in an electric circuit by turning on and off mechanism.
Battery is the device that provides the necessary potential difference for the production of electrical energy in an electric circuit.
A light bulb is the device which is used to produce light from the electricity in an electric circuit.
Hence,
Switch is the device that manages the flow of current in an electric circuit.
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3. How many elements are found naturally on the Farth? *
Answer:
Fir wat glasss
Explanation:
b) A stone is dropped from the roof of a four storey building. The height of
each storey is 4.9m . Taking g =9.8m/s2 , calculate the velocity with
which the stone will hit the ground.
Answer:
9.8m/s
Explanation:
Given,
distance of each storey () = 4.9m
distance of 4 storey (s) = 19.6m
acceleration due to gravity (g) = 9.8 m/s^2
time given (t) = ?
velocity = (?)
initial velocity (u) = 0 {due to fall from certain height}
using formula,
s = ut + 1÷2at^2
s = 0 + 9.8÷2×t^2
19.6×2÷9.8 = t^2
4 = t^2
t = 2
now,
velocity ( v )= s ÷ t
v = 19.6 ÷ 2
v = 9.8 m/s
ans
A car starts to move from point A to B such that its displacement becomes 150m. This
motion was provided by a driving force of 66MN, calculate the Kinetic energy of the
body at B.??
Answer:
sorry I cannot give the answer I know only little bit about it
To calculate the kinetic energy of the car at point B, we first need to determine its velocity at that point. We can use the work-energy principle to relate the work done by the driving force to the change in kinetic energy of the car:
Work done by driving force = Change in kinetic energy
The work done by the driving force is equal to the product of the force and the displacement:
Work done = Force x Displacement = 66 MN x 150 m = 9.9 GJ
The change in kinetic energy is equal to the final kinetic energy minus the initial kinetic energy. Assuming the car starts from rest at point A, its initial kinetic energy is zero. Therefore, the final kinetic energy at point B is equal to the work done by the driving force:
Final kinetic energy = Work done = 9.9 GJ
Note that we converted the force to MN (meganewtons) and the energy to GJ (gigajoules) to match the SI unit system commonly used in physics calculations.
HURRRY PLEASSSSEEE
Energy required for cellular respiration can be processed from ____.
A) Carbohydrates
B) Fats/ Lipids
C) Proteins
D) All of the above
Answer:
fats / liquids or proteins one of them
Explanation:
..........
Answer:
D) All of the above
Explanation:
I googled it :)
What's your favorite
family/cultural tradition? Why is this tradition your
favorite?
Answer:
Every summer we go and work at a summer camp. My whole family loves it, and it's something that always brings us closer.
Explanation:
Christmastime is without a doubt my favorite time of year, not because of Christmas itself, but because of the atmosphere leading up to it. I've always felt this way, and I believe that is because of my grandmother. My Nanny was the same way. She loved Christmas, and went all out every year. Her house was put in the local newspaper several times because of all the lights and decorations she put up. If only they could have gone inside the house!
Anyway, there are a lot of things I did with my grandma around Christmas, and if I had been asked my favorite tradition when I was a young child, I might have said “decorating,” or “making Christmas treats,” but looking back, it is what we would do every Christmas Eve.
Christmas Eve is last-minute shopping day for the adults of my family, and the only shopping day for the kids. I would head out with my dad in the morning and shop, then go to lunch with my grandpa, and then finally, I would go with my grandma. We would shop a little, and then she would always buy some fake poinsettias. We would then travel to a tiny cemetery that seemed like an hour away back then, and I would walk with her to her father's grave.
Even as a young child, I felt the emotions in the air when we visited his grave. She never cried or showed any signs of sadness, but I could just sense how special the moment was to her. When her mother passed away in 2013, we went to visit both of them, and the atmosphere only intensified.
My grandma died in March of 2015 after a long battle with cancer. Every Christmas Eve, I buy the most beautiful poinsettias I can find, and visit her grave. It's always freezing outside, being December, but I stand for a few minutes, remembering, and then I get back in my car and head home.
My fondest tradition isn't the most fun, or the most festive. It's the one that means the most to me. One day, I hope I can take my children or grandchildren with me, and I hope they'll feel everything that I felt.
The ability of the heart, blood vessels and lungs to supply oxygen to the body is?
The ability to allow the heart, blood, vessels, and lungs to supply oxygen to the body is called Cardiovascular fitness.
A soccer player is running at a constant speed of 1.8 m/s when she speeds up in the same direction with an acceleration of .50m/s. What will be her final speed if she accelerates for a totally distance of 10.0 meters?
Answer:
The answer to this question would be 3.6 m/s
Okay so we are doing an experiment with some fake babies, the teacher gives you the name and you have to pick a nick name, What would be A good nickname for Rita
Answer:
RiRi
Explanation:
25. Describe how the atomic mass unit (amu) was derived and how the mass of the electron relates to the
mass of the nuclear particle.
HELP ASAP
Answer:
ok
Explanation:
Which statement about elements and atoms is true?
Atoms are the smallest unit of an element.
Atoms are made of particles called elements.
Elements are made of more than one type of atom.
Elements are easily broken down into atoms by a physical reaction.
PLEASE HELP :) <3
Describe some ways people can reduce the risks of being harmed by volcanoes and/or earthquakes.
Protection in a volcanic ashfall:
Stay inside, if possible, with windows and doors closed.
Wear long-sleeved shirts and long pants.
Use goggles to protect your eyes.
Keep your car or truck engine switched off.
Protection from earthquake if you're indoors:
Drop down and take cover under a desk or table
Stay inside until the shaking stops and it is safe to exit.
Stay away from bookcases and other furniture that can fall on you.
Stay away from windows and light fixtures.
If you are in bed – hold on and stay there.
Answer:
best way is to remain inside ur home or under any table
As shown in the figure below, Jenna rushes 30 m toward her truck. She notices she forgot her jacket and
returns back to the house. Her total travel time is 75 s.
30 m
30 m
What is Jenna's average velocity over the 75 s period?
What is Jenna's average speed over the 75 s period?
Answer:
Average Velocity: 0
Average Speed 0.8
Explanation:
Velocity - (30-30)/75 = 0
Speed - (30+30)/75 = 0.8
what is an example of a non credible online source?
A a chat room for music lovers
B a website run by a university
C the white house's website
D a site for a volunteer organization.
help im being timed 01:37:17
a stone thrown horizontally from the top of a vertical wall with a velocity of 15m/s,hits the horizontal ground at a point 45m from the base of the wall. calculate the height of the wall. g =10m/s
Answer:
The height of the wall is 45 m
Explanation:
Horizontal Motion
When an object is thrown horizontally with an initial speed v from a height h, the maximum horizontal distance traveled by the object, also called the range can be calculated as follows:
[tex]\displaystyle d=v\cdot\sqrt{\frac {2h}{g}}[/tex]
If we know the range and want to calculate the height it was thrown from, we solve the equation for h:
[tex]\displaystyle h=\frac{d^2g}{2v^2}[/tex]
We'll use the approximate value of g=10\ m/s^2.
The stone was thrown from the top of a wall with a speed of v=15 m/s and it hits the ground d=45 m away from the base of the wall. Calculating:
[tex]\displaystyle h=\frac{45^2\cdot 10}{2\cdot 15^2}[/tex]
[tex]\displaystyle h=\frac{2025\cdot 10}{2\cdot 225}[/tex]
[tex]\displaystyle h=\frac{20250}{450}[/tex]
h = 45 m
The height of the wall is 45 m
If you run the 100 m track at a velocity of 5.0 m/s, what is the time needed?
Help me plzzz I need answers
Answer:
i think it is B
Explanation:
Regarding Newton's 3rd Law, do we always see an equal effect on each object? Aka, are both objects always affected the same? Why so?
Answer:
not always ot depends mostly on the mass of each object and how the collode
How much energy must be absorbed by water with a mass of 0.5 kg in order to raise the temperature from 30°c to 65°C?
Water has a specific heat of 4,190 j/kg°C
Answer:
Q = 67.04 [J]
Explanation:
In order to solve this problem, we must use the following equation of thermal energy, which relates mass to specific heat and temperature change.
[tex]Q = m*c_{p}*(T_{2} -T_{1})[/tex]
where:
Q = thermal energy [J]
m = mass = 0.5 [kg]
Cp = specific heat = 4,190 [J/kg°C]
T2 = final temperature = 65 [C]
T1 = initial temperature = 30 [C]
Now replacing:
Q = 0.5*4.190*(65 - 30)
Q = 67.04 [J]
Why do storm go to Galveston?
Hurricanes and tropical storms can also spawn tornadoes and microbursts, create storm surges ... If you are unable to evacuate, go to your wind-safe room.
An Object moving at a velocity of 30 m/s slows to a stop in 7 seconds. What was its acceleration
Answer:
The answer is 4.29 m/s²Explanation:
The acceleration of an object given it's velocity and time taken acting on it can be found by using the formula
[tex]acceleration = \frac{velocity}{time} \\ [/tex]
From the question
velocity = 30 m/s
time = 7 s
We have
[tex]acceleration = \frac{30}{7} \\ = 4.285714...[/tex]
We have the final answer as
4.29 m/s²Hope this helps you
