what measurement changes based on the strength of gravitational force?
The mass of an object is equal to its weight true or false?
It is false that the mass of an object is equal to its weight, as it is never the same.
What is mass?In physics, mass is a quantitative measure of inertia, which is a foundational element of all matter.
It is, in effect, the opposition that a body of material provides to a change in its pace or position when a force is applied to it.
The smaller the change generated by an applied force, the greater the mass of the body.
The mass of an object is a fundamental quantification of its matter content.
Weight is a measurement of an object's gravitational force. It is determined not only by the mass of the object, but also by its location. As a result, weight is a measure of force.
A balance is used to measure mass. Mass can be measured in the lab using a triple beam balance or an analytical balance.
Thus, the given statement is false.
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which have more kinetic energy a 100g ball,a 200g ball, or a 500g ball explain
Answer:
500g ball have more kinetic energy.
Explanation:
Due to mass is directly proportional to kinetic energy.
Which of the following cools the air in a household refrigerator
What is the best explanation of the importance of the Eighth Amendment?
A. If people cannot talk about policies, they cannot change them.
B. People in the military should have the right to vote in elections.
C. People accused of a crime need to be treated fairly to preserve justice.
D. People need to have the ability to protect themselves and their homes.
Answer:
D
Explanation:
Hope it helps!
On a hot summer day several swimmers decide to jump into a river. They step off the bridge and strike the water at 1.5s later. Ignore air resistance. What is the height of the bridge?
I did it but I don’t know if it’s right
When on a hot summer day several swimmers decide to jump into a river. They step off the bridge and strike the water 1.5 seconds later. Ignore air resistance, then the height of the bridge would be 11.03 meters.
What are the three equations of motion?There are three equations of motion given by Newton,
v = u + at
S = ut + 1/2×a×t²
v² - u² = 2×a×s
As given in the problem, when on a hot summer day several swimmers decide to jump into a river. They step off the bridge and strike the water 1.5 seconds later. Ignore air resistance,
By using the Second equation of motion,
S = ut + 1/2×a×t²
S = 0 + 0.5*9.81*1.5²
S = 11.03 meters
Thus, the height of the bridge would be 11.03 meters.
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what does cleaning bleach and carbon monoxide have in common
Answer:
Both chemicals are very harmful to the environment. They are also very harmful to human and can be very fatal. These two chemicals ae commonly found in every home.
Explanation:
easy
Choose correct answer
answer these questions "type of heat transfer that occurs between the sun and venus" "measure of the average value of the kinetic energy of the molecules in a substance" "materials like aluminium pans and metal spoons that easily transfer heat" "measure of how well a substance absorbs heat" "type of energy that depends on how fast the molecules in a substance are moving" " temperature scale in which a reading of 0 equals the freezing point of water" "what does a doctor use to measure the average kinetic energy of the molecules in your body"
please please answer all of them and go in order
Heat transfer from the Sun to Venus occurs via radiation, and the measure of molecular kinetic energy in a substance is temperature. Conductors like aluminium transfer heat efficiently, specific heat denotes a substance's heat absorption capacity, thermal energy depends on molecular motion, and a thermometer is used by doctors to measure body temperature.
The type of heat transfer that occurs between the Sun and Venus is known as radiation. This is the transfer of energy by electromagnetic waves, which does not require a medium to travel through space.
The measure of the average value of the kinetic energy of the molecules in a substance is called temperature. Higher temperatures correspond to higher average kinetic energy among the molecules of a substance.
Materials like aluminium pans and metal spoons that easily transfer heat are called conductors. These materials are efficient in transferring thermal energy through direct contact.
The measure of how well a substance absorbs heat is known as its specific heat. It is the amount of heat per unit mass required to raise the temperature by one degree Celsius.
The type of energy that depends on how fast the molecules in a substance are moving is called thermal energy. Higher speeds of molecular motion correlate with higher thermal energy.
The temperature scale is which a reading of 0 equals the freezing point of water is the Celsius scale, also known as Centigrade.
To measure the average kinetic energy of the molecules in your body, a doctor would use a thermometer. The reading is a direct indication of your body's temperature.
why did dalton devise his own element symbols
Final answer:
John Dalton created his own element symbols to visually represent the atoms and their combinations as part of his atomic theory. These symbols were crucial for the systematization of chemistry and preceded other symbol systems such as those of G. N. Lewis, which illustrate valence electrons and chemical bonding.
Explanation:
John Dalton, an English scientist, devised his own element symbols as part of his pioneering work in atomic theory. Dalton's atomic theory posited that elements are composed of indivisible atoms, that matter combines in fixed ratios, and that compounds always have consistent proportions. His element symbols, depicted in Dalton's book A New System of Chemical Philosophy, were an early attempt to represent these atoms and their combinations visually. These symbols laid the groundwork for the systematization of chemistry and were a precursor to later representations such as the Lewis dot symbols. Unlike Dalton's symbols, Lewis dot symbols focus on representing the valence electrons of atoms to predict chemical bonding and formation, as G. N. Lewis published in 1916.
Without Dalton's work, our understanding of the chemical composition of matter and the development of subsequent theories of chemical bonding, such as those proposed by G. N. Lewis, might have been significantly delayed. Dalton's dedication to empirical evidence and experimentation set his atomic theory apart from the philosophical ideas of ancient Greeks like Democritus and Leucippus, contributing greatly to the advancement of modern science and chemistry.
What best describes the goals of scientific investigation and technological development?
Answer:
D. Scientific investigation aims to design and implement an experiment to learn new information, whereas technological development aims to design a product to solve a problem.
Explanation:
Both artists and scientists contribute to our understanding of the world around us. Identify the ways that art and science are similar. Check all that apply.
Answer:
the answer to this would have to be 1,2 and 4
Explanation:
i just did it
The properties of a rectangular prism are listed below:
Density = 120 g/cm3
Length = 4 cm
Width = 2 cm
Height = 1 cm
What is the mass of the rectangular prism?
15 g
45 g
960 g
980 g
First calculate the volume of the rectangular prism by multiplying its length, width and height. The volume of the prism is 8 cm^3. Since density is known to be mass over volume, just multiply the given density with the volume. The mass of the prism then is 960 grams.
and Since density is the ratio of the substance's mass to its volume,Answer:
mass = 960 g
Explanation:
The rectangular prism have a density, length , width and height. We are asked to calculate the mass of the rectangular prism from the data given above.
The density of an object measures the mass of the object to it volume. Mathematically, density is the mass of an object divided by it volume. It is represented as follows;
density = mass/volume
The density of the prism is known from the data given but the volume is not given . Base on the data given, one could compute volume of the rectangular prism.
volume of a rectangular prism = Length × width × height
length = 4cm
width = 2cm
height = 1cm
volume of a rectangular prism = 4 × 2 × 1
volume of a rectangular prism = 8cm³
Since the volume is known the mass can be computed from the density formula.
density = mass/volume
mass = density × volume
density = 120 g/cm³
volume = 8cm³
mass = 120 × 8
mass = 960 g
A meter stick flies by with an apparent length of 60 cm. What is it's velocity in m/s? Not sure which formula to use
Solution:
Starting with g equal to (1/0.6), solve for v.
v = 0.8c = 2.4E8 m/s
Describe what would happen if, while wearing rollerskates, you pushed as hard as you could against a wall. Why does this happen?
Scientist make inferences about the structure and properties of the inner earth by __________
A) studying volcanoes
B) boring into the earth to explore for oil
C) analyzing seismic waves
D) monitoring ocean tides
Help me please
True or false
1) an atom has no mass
2) an electron is the largest part of an atom
3) all atoms have the same mass
4) all protons have the same mass
5) all oxygen atoms have the same mass
6) an oxygen atom has the same atomic number as a hydrogen atom
7) to find the atom mass of an atom, we add the protons an electrons
8) the atomic number of an atom is the number of neutrons it has
9) atoms of the same kind that have different numbers of neutrons are called isotopes
10) atomic number = atomic mass
Does the sun give plants the nutrients to grow yes or no!!!
Answer:
yes it is
Explanation:
thankyou ii really need these points
in your opinion, what is the greatest environmental concern? what should be done about this?
PLEASE HELP ASAP!!!!!
What type of climate is most likely expected in locations between the poles and the equator that have high amounts of water vapor in the air?
Dry
Low humidity
No rain
Seasonal storms
Seasonal rainstorms because there is a lot of water vapor in the air causing it to always be moist.
Answer:
answer D
Explanation:
why you ask because its asking you the water vapor
and asking you the amount of water im confused a bit i hope it helps
What is acceleration?
a) the change of velocity over distance
b) the change of inertia over time
c) the change of velocity over time
d) the change of speed over time
C) The change of velocity over time
Final answer:
Acceleration is the rate of change of velocity over time. It is a vector quantity that can signify speeding up or slowing down and is measured in meters per second squared. So the correct option is c.
Explanation:
Acceleration is the rate at which velocity changes over time and can involve a change in speed, direction, or both. The formula for average acceleration is given by the change in velocity (∆v) divided by the time interval (∆t) over which this change occurs. It is important to note that acceleration is a vector quantity, meaning it has both magnitude and direction. Thus, acceleration can be positive (speeding up) or negative (slowing down, also known as deceleration). The SI unit for acceleration is meters per second squared (m/s2).
Therefore, the correct answer to the question 'What is acceleration?' is c) the change of velocity over time.
The half-life of plutonium-238 is 87.7 years. What percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.1 years?
Answer:
12.5
87.5
Explanation:
What force is needed to give a 4.5-kg bowling ball an acceleration of 9 m/s2?
a ____ agrees to help an immigrant become a citizen
how do I figure out the GPE of an object on the ground? question 28.
Looking at this skier. If ht travels from point A to point B, then turns around and stops at point C, what is her total displacement?
A:180 m
B:320 m
C:100 m
D:40 m
Out of aluminum,copper,steel,and glass.Which material do you think will be the best thermal conductor?
A rollercoaster car with a mass of 15 kg rolls down a ramp that is 10.0 meters tall.
A) Draw a sketch of the situation.
B) What is the initial potential energy of the rollercoaster car?
C) What is the initial kinetic energy of the rollercoaster car?
D) Calculate the speed of the roller coaster at the bottom of the ramp.
besides mass , another factor that affects force
what speeds up condensation