A girl stands on a bathroom scale. In metric units, the scale indicates that her weight is 42
Newtons. This means the force of gravity is pulling her feet onto the scale with a force of 42
Newtons. With what force does the scale push back up against her feet?
Answers
Answer:
The bathroom scale pushes her back 42 metric units, the same as her weight. Newton's 3rd law says that how much ever you push onto some object, it pushes back onto you with that same amount of pressure.
Please mark me brainliest so that I get encouraged to keep up on answering these types of good answers.
Related Questions
What is the main way viruses cause disease in the body
A. By feeding directly on your body parts
B. By using your body's cells to make new viruses
C. By absorbing nutrients from your bloodstream
D. By breaking down your body's cells for nutrients
Answers
Answer:
the answer is B
Explanation:
this is because viruses need to enter a host cell to start reproduce. they usually use your cell to create "virus making factories".
hope it helps
no problems
When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.
Answers
Answer:
Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.
Table B: Calculation of Kinetic Energy (KE)
Table B: Calculation of Kinetic Energy (KE)
Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500
To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.
For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2
Perform similar calculations for the other velocities and record the results in Table B.
Answer:
Explanation:mass of the bottle in each case is M = 0.250 kg
now as per given speeds we can use the formula of kinetic energy to find it
1) when speed is 2 m/s
kinetic energy is given as
2) when speed is 3 m/s
kinetic energy is given as
3) when speed is 4 m/s
kinetic energy is given as
4) when speed is 5 m/s
kinetic energy is given as
5) when speed is 6 m/s
kinetic energy is given as
PLEEASEE HELP ITS PAST DUE AND IM GIVING BRAINLIEST
Which process is an example of a physical change?
a. wood burning in a camp fire
b. iron rusting on a bicycle chain
c. ice melting after a snow storm
d. milk souring because it is old
Answers
Answer:
c or d
Explanation:
i dont know which one but it's one of those
Which feature forms when magma cools beneath Earth's surface?
Geysers
Calderas
Batholiths
Vents
Note- Meant to put it for Geography my bad
Answers
What is an ellipse please help)
Answers
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.
Maybe they might use that math thing for Science.
Auditory communication is____________________________________.
a
the sound an animal makes
b
the volume of an animal's voice
c
none of the above
Question 2 (10 points)
Male American alligators use auditory communication to get the attention of females when they are ready to mate.
True
False
Question 3 (10 points)
Coyotes use auditory communication to ___________________________. (Check all that apply)
a
show they hungry
b
mark their territory
c
let other coyotes know their location
d
all of the above
Question 4 (10 points)
A loon my demonstrate visual communication by running acrose the water and flapping its wings to__________________________________
____________________.
a
attract a female loon
b
defend its territory
c
all of the above
d
none of the above
Question 5 (10 points)
A red squirrell uses auditory communication to warn of intruders by______.
a
roaring and slapping its head
b
barking, yipping, and howling
c
rattling and yipping
d
none of the above
Question 6 (10 points)
Dolphins use auditory communication through a sound that they use to identify themselves.
Blank 1:
Question 7 (10 points)
Dolphins have an adaption, or structure, called in their foreheads which allow them to make a clicking sound that travel through water.
Blank 1:
Answers
2. True
3. D
4. B
5. True
2. True
3. D
4. B
5. True
Select the correct answer.
Which statement best describes the image?
A.
Ocean temperatures are relatively stable. During the day, the ocean cools the hotter air temperatures above land.
B.
Ocean temperatures are relatively stable. During the night, the ocean heats the cooler air temperatures above land.
C.
Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean.
D.
Ocean temperatures experience high fluctuations. During the night, the land heats the cooler air temperatures above the ocean.
Answers
Answer:
C.
Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean.
Explanation:
Generally ocean temperatures range from about -2o to 30o C (28-86o F). The warmest water tends to be surface water in low latitude regions, while the surface water at the poles is obviously much colder
C. Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean.
What is the hottest ocean temperature?The hottest ocean area is in the Persian Gulf, where water temperatures at the surface exceed 90 degrees Fahrenheit in the summer. Another hot area exists in the Red Sea, where a temperature of 132.8 degrees Fahrenheit has been recorded at a depth of about 6,500 feet.
What is a good temperature to swim in the ocean?A little cooler than your body temperature (98.6° Fahrenheit) should not be too cold so that you don't get chilled. 70° to 78° Fahrenheit is the range where most folks feel "comfortable" swimming.
To learn more about Ocean temperatures, refer
https://brainly.com/question/17006209
#SPJ2
Please help if you can.
Answers
Answer: i thought i knew but nver mind but on the last won it is c i belive
Explanation:
What occurs when air is subjected to less pressure?
A.
The air condenses.
B.
The air rises in temperature.
C.
The air expands.
D.
The air becomes compressed.
Answers
Answer:
B the air rises in temperature
The air rises in temperature when it subjected to less pressure.
What is pressure ?The force excreted by per unit area is called pressure.
An air contains gases and when pressure of air is less, it means there is spaces between gases molecule to move freely then gases molecule collide with each other and due to collision temperature of air is increases.
To learn more about pressure here.
https://brainly.com/question/12971272
#SPJ3
Atoms are made up of atomic particles. Which of the following is not an atomic A.particle
B.electrons
C.neutrons
D.molecules
E.protons
Answers
Answer:
D
Explanation:
san atom is made of electrons, protons and neutrons
Answer:molecules
Explanation:
In binary fission, one cell reproduces into _____ cell(s).(1 point)
Responses
four
four
three
three
two
two
one
Answers
Answer:
two identical cells
Explanation:
its either 2 or 4 :((
Answer:
two
Explanation:
two
What was one was one important impact of Supreme Court's ruling in Bush v. Gore
Answers
Answer: the answer is b or c
Explanation:
I took it
Which accurately describes reproduction in gymnosperms? Select four options.
Some require heat for seed dispersal.
Female cones produce pollen.
Most gymnosperms produce male and female cones.
Fertilized ovules grow into seeds.
Male and female cones may grow on the same plant.
Answers
The four options that accurately describe reproduction in gymnosperms are:Fertilized ovules grow into seeds.Male and female cones may grow on the same plant.Most gymnosperms produce male and female cones.Some require heat for seed dispersal.Female cones do not produce pollen in gymnosperms. Instead, male cones produce pollen which is then carried by the wind or insects to the female cones for fertilization.
Pls could help me complete the "standart form" part :(
Answers
Answer:
I don’t know bro
Explanation: WHY DID U REMOVE THIS
What is the basic level of an ecosystem?
ecosystem
individual organisms
population
community
Answers
Answer:
(B) individual organisms
Brainliest
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
Answers
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
List 2 evidences for climate change.
This is 6th grade science. Amplify.
Answers
Answer:
Global Tempurature is rising
Sea level is rising
Explanation:
This is evidence of climate change. Depending on where you live it could be different like in florida there was a drought.
1. our sea level is rising my a lot
2. our global temperature has changed a lot over the years as well.
ANSWER URGENTLY FOR BRAINLIEST (LEGIT)
Part D
The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced round seeds. However, in the fifth generation, the plant produced to two plants with wrinkled seeds. Can that be possible? Explain your answer using your pedigree chart.
Answers
Answer:
This happened because two fully recessive plants where introduced into the lineage. these plants where paired with the dominate verison. this would make all of the offspring have the two traits. this being said it would make it possible for the offspring to be Wrinkled Seeds.
Explanation:
Hello, could you help me to answer this question. Thank you very much, it would save me!
Answer the question, "Why is it best to put subscripts next to the symbols in the density and solubility formulas?"
Answers
The number of atoms of each kind is indicated by a subscript following the atom. If there is only one atom, no number is written. If there is more than one atom of a specific kind, the number is written as a subscript following the atom.
Which of these best describes Earth's mantle? (3 points)
a
Most dense layer, consists of the outer and inner parts
b
Thinnest under the oceans and thickest under continents
c
Middle layer, density increases with depth as pressure increases
d
Least dense layer overall, consists of two layers of different thickness
Answers
Answer:
the answer you are looking for is A
Explanation:
Earth's core is the most dense layer and it consists of the outer core and the inner core.
What is not an Example of the Coriolis effect?
Having trouble, not good at science!
Answers
Answer:
the turn of the world, shooting a bullet in the air, airplane and
rockets, bouncing ball, ocean current, driving on curved road
Explanation:
Help it keeps telling me im wrong
Answers
Answer:
Formula for density is mass/volume
Q1. Soccer Ball
Q2. Baseball
Q3.Float
Q4. 1.1
Q5. Sink
Two resources are described below:
Resource 1: Corn plants that grow quickly without harming the environment
Resource 2: The rainforest takes hundreds of years to regrow when cut down
Which statement is true about these resources?
Both are renewable resources.
Both are nonrenewable resources.
Resource 1 is nonrenewable and Resource 2 is renewable.
Resource 1 is renewable and Resource 2 is nonrenewable.
Answers
Answer:
Both are renewable resources.
Explanation:
come on both can’t be non renewable, and their plants they both can renew their seeds or spores.
Answer:
Resource 1 is renewable and Resource 2 is nonrenewable.
Explanation:
got it right on my quiz
Calculate the volume (in cm3
) of 54 g
of water at 1 ∘C
.
Express the volume in cubic centimeters to two significant figures.
Answers
help me fill this page with the right answer please (17 lines minimum please)
Answers
In an electrical wire, if instead of copper, plastic wire is used. Would it conduct electricity?Justify your answer.
Answers
Answer:
No, a plastic wire would not conduct electricity. This is because plastic is an insulator that does not allow electric current to flow through it. In a wire, electrical conductivity is provided by the movement of charged particles - typically, electrons. Copper is an excellent conductor of electricity because it has a high number of free electrons that are not bound to atoms and can move through the wire very easily. However, in a plastic wire, the tightly bound electrons of its atoms do not allow for the free flow of charges, thus preventing the passage of electric current.
Which items are biomass energy sources? Select all correct answers.
the sun
wood chips
manure
paper
Answers
Answer:
wood chips, paper, and manure are biomass energy sources.
Explanation:
Biomass energy is energy generated or produced by living or once-living organisms.
Wood chips, paper, and manure are biomass energy sources. The primary form of energy from renewable sources that can be utilised to replace fossil fuels on a long-term basis is biomass.
Energy created or generated by living or formerly living creatures is known as biomass energy. Plants like the aforementioned maize and soy are the most prevalent types of biomass that are utilised for energy. These creatures' energy may be used to generate electricity or be burnt to provide heat. Direct combustion is the primary method of producing most of the power from biomass. In a boiler, biomass is burnt to create high-pressure steam. These turbine blades revolve as a result of the steam flowing over them. Wood chips, paper, and manure are biomass energy sources.
To know more about biomass energy, here:
https://brainly.com/question/32175810
#SPJ6
Please help, I’ll give brainliest!
Answers
Answer:
the coefficient of NO3 is going to be 2
Explanation:
Cu+2NO3−+2H2O→Cu2++2NO2+4OH−
The image shows the gravitational effects of the moon (not shown) on the Earth (depicted here) and the resulting tides that form. Which statements are true about the gravitational force between the Earth and the moon? Select ALL that apply.
Responses
A The moon exerts equal gravitational force on all locations of the Earth
B The moon exerts a smaller gravitational force on Earth locations that are farther away
C The moon must be to the right of the Earth because gravity is an attractive force.
D The moon must be to the left of the Earth because gravity is a repulsive force.
E The moon exerts a greater gravitational force on the Earth than the sun does.
Answers
Answer: B
Explanation:
Brainliest please! (if im right)
Help with as many as possible is appreciated! :)
Calculate the molarity of the solutions described below.
a. 10.0 g of sodium chloride is dissolved in 2.0 L of solution.
b. 52.5 g of sugar (C12H22O11) s dissolved in 1.0 L of solution.
c. 120 g of aluminum sulfate is dissolved in 10.0 L of solution.
d. 1.75 g of caffeine (C8H10N4O2) is dissolved in 0.100 L of solution.
Answers
Answer:
a. 0.0855 M
b. 0.153 M
c. 0.0351 M
d. 0.0901 M
Explanation:
a.
Molar mass NaCL= 23.0 +35.5 = 58.5 g/mol
10.0 g* 1 mol/58.5 g = 10.0/58.5 mol
(10.0/58.5) mol/2L = 0.0855 mol/L = 0.0855 M
b.
Molar mass (C12H22O11) =342.3 g/mol
52.5 g*1mol/342.3 g = 52.5/342.3 mol=0.153 mol
0.153 mol/1L = 0.153 M
c.
Molar mass (Al2(SO4)3) =342.2 g/mol
120g* 1 mol/342.2 g =0.351 mol
0.351 mol/10.0L = 0.0351 mol/L = 0.0351 M
d.
Molar mass (C8H10N4O2) = 194.2 g/mol
1.75 g*1mol/194.2 g = 0.00901 mol
0.00901 mol/0.100 L =0.0901 M