Answer:
B: Radiant
Explanation:
E2021...I got you guys
Answer:
radiant
Explanation:
Newton's Laws (8.6 C):Question 3
An object at rest will stay at rest unless acted upon by an outside force.
Which activity is an example of this law?
Select one:
A.A football is kicked off a tee.
B.A floating stick is carried over a waterfall.
C.A bicycle travels faster as it
goes downhill.
D.A baseball player slides into second base.
Answer:A.
Explanation:
In this case, the object receives the action. Which lines up with newton's law " an object will stay at rest unless acted upon by an outside force." The football is being kicked, which means a direct outside force acted upon this.
Newton's first law states that An object at rest will stay at rest unless acted upon by an outside force. The example D a floating stick carried over the water fall depicts the first law of motion.
What are laws of motion ?Newton proposed three laws to describe the motion of an object. The first law states that, an object at rest will stay at rest unless acted upon by an outside force. The tendency to stay in its current state is called inertia of the object.
Newton's second law states that, the force acting on an object is the product of its mass and acceleration. Third law of motion states that, for every action, there is an equal and opposite reaction.
Among the given options, the example, of the baseball player sliding onto the second base is an illustrating first law of motion. The baseball player slide to avoid over running and to protect themselves.
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The world's tallest artificial Christmas tree measured a mammoth 5.20 x 103 cm. How tall is the tree in kilometers?
Answer:
0.005356
Explanation:
An ant is about 4.0 mm long. How many feet is this?
Answer: about 0.013 feet
Explanation:
well there’s about 0.003 foot in a mm
what are the Defence of keeping our body safe from diseases and viruses
Answer:
The immune system
Explanation:
It defends from outside pathogens that may get into the body
35 POINTS!!PLEASE PUT IN ORDER 1 AND 2
Broad, gradual slopes are___1___ volcanoes, while tall, steep slopes are ___2___
volcanoes.
A. cinder cone
B. shield
C. composite
describe what the isotopes of an element have in common and how are they different.
Answer:
Isotopes of an element are atoms of the same element that have different number of neutrons.
what is the name for BrCl5
Answer:
Bromine Pentachloride (BrCl5)
Explanation:
The name of the compound BrCl₅ is bromine pentacloride as it has five chlorine atoms.
What is compound?
Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.
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A summary of what you have learned from a scientific experiment is called a(n)
a.
hypothesis.
b.
inquiry.
c.
conclusion.
d.
law.
Answer: C
Here is how I used Process of Elimination:
An hypothesis is your guess before you conduct the experiment.
An inquiry is when you ask for information.
A law is a statement based on repeated experiments.
The answer had to be conclusion.
Hope it helps!
4. The shallow pits where sea water is
collected for evaporation are called:
(a) ponds
(b) lakes
(c) lagoons
(d) rivers
When there are many people seeking the same job, this is known as a _____ of workers.
consumer
demand
projection
surplus
The correct answer would be surplus
If an object has a mass of 42 kg and a volume of 2m3 what is its density
Answer:
Mass = 42 kg
Volume = 2 m^3
By using formula = Density = Mass/Volume
= 42/2
= 21/1
= 21
= 21 m^3
QUANTITATIVE CHEMISTRY QUESTION!!
When heated calcium carbonate forms calcium oxide and dioxide
The equation for the reaction is;
USE THE IMAGE ATTACHED TO WORK OUT THE ANSWER FOR ME PLEASE I WILL MARK YOU THE BRAINIEST IF YOU HAVE COMPLETED THE QUESTION CORRECTLY
Answer:
Explanation:
look at the mole ratio so you can solve
Answer:
IM NOT SURE
Explanation:
3AsBr3 how many atoms
Answer:
there are 18
Explanation:
Please!!!!!! ANSWER QUIIICKKKKK I ONLY HAVE 3 MINS!!!!!!!!!!!!! I WILL AWARD BRAINLIESTTTTTT
What term is used to describe the distance between corresponding points on two adjacent waves? (5 points) a Amplitude b Frequency c Period d Wavelength
Answer:
wavelength!!
Explanation:
because because it is a way of measuring the size of waves. it is the distance between two corresponding points on adjacent waves. the wavelength of a transverse wave can be measured in the distance between two adjacent crests. HOPE THIS HELPS!
In the electromagnetic spectrum , wavelength is the term which is used to describe the distance between corresponding points on two adjacent waves.
What is electromagnetic spectrum?The electromagnetic spectrum consists of electromagnetic radiation consisting of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.There are 7 types of electromagnetic waves in the electromagnetic spectrum.
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Please Help Assap!!!
Which could describe the motion of an object?
distance = 1 meter and displacement = 10 meters
distance = 10 meters and displacement = 100 meters
distance = 0 and displacement = 10 meters
distance = 10 meters and displacement = 10 meters
Answer:
D on edge2020
Explanation:
Distance = 10 meters and displacement = 10 meters. Hence, option D is correct.
What is motion?Motion is defined as the change of position of an object with respect to time.
Distance is known to be a scalar quantity. it shows the rate or ground an object has covered when in motion.
Displacement is known also to be a vector quantity. It shows the rate o how far out of place an object is been. it is known as the object's overall change in position.
Distance is measured in intervals between two locations measured along the actual path connecting them.
Displacement has measured the interval between two locations measured along the shortest path connecting them.
Conclusively, the motion of an object is done by position, speed, direction, and acceleration.
Hence, the right statements which could describe the motion of an object are: distance = 10 meters and displacement = 10 meters
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Rougher surfaces create more friction, so more force is needed to move something over a rougher surface, true or false
URGENT !!!!!! Which property would vary between two different- sized samples of the same substance ( meaning it is size dependent )
A. Volume
B. Solubility
C. Magnetism
D. Conductivity
Answer:
I think the answer would be A.
Explanation:
Solubility property will vary between two different- sized samples of the same substance.
What is solubility?
Solubility is a physical process in which solute particles are dissolved in the solvent substance for the formation of solution.
Solubility is related to the size of the particles as the more surface area shown by the particles more easily they will dissolve in the solvent.Volume is generally related to the liquid, but here we are talking about particles so it is not correct.Magnetism and conductivity is related to electrons not to the size.Hence the property solubility will vary between two different- sized samples.
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A sample of ethanol has a volume of 7.5 mL and a mass of 5.85 g. A sample of benzene also has a volume of 7.5 ml,
but has a mass of 6.60 g. Which liquid is denser
Answer:
Benzene
Explanation:
You need to calculate the densities for each compound.
EtOH = 5.85/7.5 = 0.78 g/mL
Benzene = 6.60/7.5 = 0.88 g/mL
0.88 > 0.78, thus benzene is denser than ethanol.
Answer:
Benzene is denser than ethanol.
Explanation:
Given data:
Volume of ethanol = 7.5 mL
Mass of ethanol = 5.85 g
Volume of benzene = 7.5 mL
Mass of benzene = 6.60 g
Which is denser = ?
Solution:
First of all we will calculate the density of both substances.
Density of ethanol:
d = m/v
d = 5.85 g/ 7.5 mL
d = 0.78 g/mL
Density of benzene:
d = m/v
d = 6.60 g/ 7.5 mL
d = 0.88 g/mL
The density of benzene is higher thus it is denser than ethanol.
T/F: The electromagnetic force holds negatively charged electrons in orbit around thr positively charged nucleus of an atom
Answer:
Explanation:
Oppositely charged particles attract each other, while like particles repel one another. Electrons are kept in the orbit around the nucleus by the electromagnetic force, because the nucleus in the center of the atom is positively charged and attracts the negatively charged electrons.
In your own words why is science so important
Answer:
i think sience is important cause it helps us understand things i am muslim and i trust my religon amore than seince but also trust sience
.Explanation:
cause it helps me understand and learn things
Which of the following elements is the most
reactive?
a. Be
b. Mg
c. Ca
d. Sr
Sr is the most reactive. Correct me if I'm wrong :/
kinetic or potential energy.
Answer:
Potential energy is the energy in a body due to its position. While kinetic energy is the energy in a body due to its motion.
Of all boron atoms, 19.9%% are boron-10, which have a mass of 10.01294 amu. The other 80.1% of boron atoms are boron-11 and these have a mass of 11.00931. Calculate the average atomic mass of boron.
Answer:
10.81 amu
Explanation:
The average atomic mass of Boron can be calculated as follows :
[tex]A=19.9\%\ \text{of}\ 10.01294 +80.1\%\ \text{of}\ 11.00931\\\\A=\dfrac{19.9}{100}\times 10.01294 +\dfrac{80.1}{100}\times 11.00931\\\\A=10.81\ \text{amu}[/tex]
So, the average atomic mass of boron is 10.81 amu.
which has the greater electronegativity N or C?
it
Find the mistake in the experiment:
Jo read that playing music for plants helps them grow faster. He wanted to test this theory out. He bought 20 plants and kept them in similar
conditions, but in different rooms. One of the rooms was silent. In the other room, he played music continuously, and he also gave the plants
in the music room some fertilizer. He recorded the growth of all the plants for a year, and concluded at the end of the year that the plants that
"listened to music did, in fact, grow taller than the plants growing in silence.
What was Jo's mistake, and how would you design this experiment differently? Answer it at least 3 full sentences.
Answer:
His mistake was that he also gave the plants in the music room some fertilizer
Explanation:
When carrying out a reliable experiment, the only variable should be the question being tested. The question here is whether playing music for plants helps them grow faster. Therefore, all the plants should be grown in exactly the same conditions apart from the presence or absence of music.
However, Jo also added fertilizer to the plants in the room where music was playing. Therefore, we don't know whether the fertilizer or the music caused the plants to grow faster.
Instead, Jo should have not given fertilizer to any of the plants, or given fertilizer to all the plants.
which are the products in the following reactions
zinc+water➡️zinc+hydrogen
An object of indeterminate size marking a
location in space
Answer:
Point
Explanation:
An object of indeterminate size which marks a location in space is called a point.
A point in geometry has no dimension unlike a line which is one dimensional. In essence, like other bodies, we cannot specify any of the width, length or height of a point.
Points are usually shown with dots. It has no width, length, breadth and other attributes that specifies it. Angle at a point is taken as 360° which is the same as the angle in a circle.On the other hand, a line is a connects two or more points and it is one dimensional. They usually have lengths.
Therefore, an object of indeterminate size which marks a location in space is a point.
How are earthquakes and tsunamis created?
Earthquakes are created when tectonic plates rub, push, or pass each other. Tsunamis are made by earthquakes on the sea floor.
How many mol of lithium are there in 1.204 x 1024 lithium atoms
Answer:
The answer is
2.0 molesExplanation:
To find the number of moles of an element given the number of entities contained in that element , we use the formula
[tex]n = \frac{N}{L} \\[/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question
N = 1.204 × 10²⁴ lithium atoms
We have
[tex]n = \frac{1.204 \times {10}^{24} }{6.02 \times {10}^{23} } \\ [/tex]
We have the final answer as
2 molesHope this helps you
Students are studying the effects of beach pollution by counting populations of seagulls at two different beach locations. One location is a beach near a large industrial marina where boats are serviced; the second location is an isolated beach surrounded by a state park. The students plan to count all the visible seagulls at the beaches at specific times of day. They will repeat the bird count for 10 days and then analyze the data.
What is the outcome variable (dependent variable) in this study?
