Answer:
Forces, Gravity, Friction, Direction, Acceleration.
The answers for the fill-in-the-blanks would be Force, gravity friction
direction and acceleration respectively.
What is gravity?It can be defined as the force by which a body attracts another body towards its center as the result of the gravitational pull of one body and another,
There are a few ways that moving objects are impacted. Pushes and pulls, or force, have an impact on how an object moves.
The force of gravity drags items toward the Earth.
Friction is a force that causes objects to move more slowly or even come to a stop.
It also applies to an item that is reversing course or slowing down. Since acceleration is a change in velocity, it can also be a change in speed or direction.
Thus, Force, gravity friction direction, and acceleration are the answers respectively.
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Which wave must have a medium to travel?
A) light wave
B)compression wave
C) electromagnetic wave
D) ultraviolet wave
*****Urgent****
Letter B
without a medium, there is nothing to compress, hence, no wave. A fast- medium like a gas (air) is easy to compress and allows waves to move through it easily. a slow medium, like a liquid, is still pretty fast, but not as fast as air.
If a balloon has 12 electrons on its surface but also 13 protons, what
is the net charge on the balloon?
Answer:
q = 1
Explanation:
Given that,
No. of electrons = -12
No. of protons = 13
We need to find the net charge on the balloon. We know that net charge is equal to the sum of proton and the electrons such that,
Net charge = No. of electrons + no. of protons
= -12 + 13
= 1
So, the net charge is equal to 1.
Which is a pollutant associated with high-tech gadgets in landfills?
A. Chromium
B. Steel
C. Carbon Dioxide
D. Hydrogen
Answer:
The answer of this is question is A.
Answer:
A.
Explanation:
sana makatulong po ❤❤
which process is the source of most oxygen in the atmosphere
Answer:
photosynthesis
The air that enters human lungs contains about 21 percent oxygen. The process responsible for producing most of the Earth's oxygen is known as photosynthesis. In this process, plants and certain other organisms convert sunlight into oxygen and other products.
Explanation:
Hope it helps! Correct me if I am wrong!
I'm sure about my answer!
If you dont mind can you please mark me as brainlest?
Its ok if you don't want to!
But i hopefully it helps you!
Answer:
Photosynthesis I think
Explanation:
If you cause the surfaces between two touching objects to change, how will the friction be affected?
what is the density of a iphone with a mass of 200g and a volume of 40cm3
Joni plays a scale on her clarinet. As she plays from low notes to high notes, what happens to the sound waves that the clarinet creates?
Answer:
The answer is "The frequency of the sound waves increases".
Explanation:
Its most oscillating their frequency waves, therefore higher the vibration we hear. However you see, sound frequency is determined through the oscillation of electrical signals while moving to our ears, which implies that perhaps the audio medium, which usually is air, makes a distinction between compression to spreading. It's the end of the communication as the frequency rises.
Calculate V1 and V2 ( V = voltage )
Given that Vs = 16V, R1 = 330Ω, and R2 = 470Ω
Please do not answer if you don't know how to do this
Calculate V1 and V2 ( V = voltage )
Given that Vs = 16V, R1 = 330Ω, and R2 = 470Ω
Solution:Given that,
Vs = 16VR1 = 330ΩR2 = 470Ω.°.
V1&V2↷
Firstly, we'll find the Total resistance of the circuit=> 330Ω + 470Ω =800Ω
Now, we'll use the ohm's law to calculate the current flow in the circuitVˢ= IRᵀ
[tex]I= \frac{16}{800} = > \frac{1}{50}[/tex]
= 1/50 Ampere
Now,
V1 = IR
[tex]v1 = \frac{1}{50} \times 330 = > 6.6 \: Volt\ \\ v2 = \frac{1}{50} \times 470 = > 9.4 \: Volt[/tex]
______
Hope it helps
-------☆ﾟ.･｡ﾟᵴɒƙυᴚᴀ_ƨȶäᴎ❀
Consider again the civilization described in the previous question. (They live on a planet orbiting 10 AU from a close binary star system that consists of a 15 MSun red giant star and a 10 MSun black hole surrounded by an accretion disk.) Through a bizarre (and scientifically unexplainable) fluctuation in the space-time continuum, a copy of a book from that civilization arrives on your desk; it is entitled Iguoonos: How We Evolved. In the first chapter, you learn that these beings evolved from organisms that lived 5 billion years ago. Which of the following statements should you expect to find as you continue to read this book?
A. Their immediate ancestors were chimpanzees.
B. As a result of traumatic experiences to their evolutionary ancestors, they dislike television.
C. They evolved on a different planet in a different star system, and moved to their current location.
D. They evolved from primitive wormlike creatures that had 13 legs, 4 eyes, and bald heads, thus explaining why such critters are now considered a spectacular delicacy.
E. They believe that the presence of two stars in their system was critical to their evolution.
Consider the electric force between a pair of charged particles a certain
distance apart. By Coulomb's Law:
If the charge of one of the particles is doubled, the force is:
(unchanged), (halved), (doubled), (quadrupled)
Answer:
Doubled
Explanation:
F = (kq1q2) / r^2
F and q (Either q1 or q2) are directly proportional, so double the charge would also double the electruc force between the charges.
A person pushes a 125 kg object initially at rest on a frictionless surface. The object ends up with a final velocity of 1.40 m/s. What is the total
translational kinetic energy of the object?
Answer:
a person pushes a 125 kg
Explanation:
The total translational kinetic energy of the object is 122.5 J.
What is meant by kinetic energy ?Kinetic energy is defined as the energy possessed by a body by virtue of its motion.
Here,
Mass of the object, m = 125 kg
The final velocity of the object, v = 1.4 m/s
It is given that the object was initially at rest on a frictionless surface. When the object was pushed by the person, it gained some amount of kinetic energy and ended up with a final velocity of 1.4 m/s.
So, the expression for total translational kinetic energy of the object is given by,
KE = KEf + KEi
KE = 1/2m(v² + u²)
Since, the object was initially at rest, the initial velocity,
u = 0
Therefore, the kinetic energy of the object,
KE = 1/2 mv²
KE = 1/2 x 125 x (1.4)²
KE = 122.5 J
Hence,
The total translational kinetic energy of the object is 122.5 J.
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What does fissure and conduit have in common?
Answer:
although commons their deposits can dense
1. An object of mass 300 kg is observed to
accelerate at the rate of 1 m/s. Calalate the
force required to produce this acceleration.
Answer:
The force required will be "300 N".
Explanation:
The given values are:
Mass of object,
m = 300 kg
Acceleration,
a = 1 m/s
Now,
The force will be:
⇒ [tex]F=m\times a[/tex]
On substituting the values, we get
⇒ [tex]= 300\times 1[/tex]
⇒ [tex]=300 \ N[/tex]
How would an object’s kinetic energy change if it’s mass decreased by a factor of 3 and it moved 6 times faster?
Answer: Decreases in mass cause decreases in kinetic energy due to the aforementioned positive relationship between the two. Therefore when mass is decreased, an increase in kinetic energy is possible if velocity increases.
Answer:: Decreases in mass cause decreases in kinetic energy due to the aforementioned positive relationship between the two.
How energy is converted from one form to other
Explanation:
Energy can be converted from one form to another. Examples: Gasoline (chemical) is put into our cars, and with the help of electrical energy from a battery, provides mechanical (kinetic) energy. ... Similarly, purchased electricity goes into an electric bulb and is converted to visible light and heat energy.
Answer:
Explanation:
Energy transformation is when energy changes from one form to another. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation. For example, Electricity goes into an electric bulb and is converted to visible light and heat energy.
Hope this helped!!!
The atomic number of an element is also the number of
_________ element.
in an
A. Protons
B. Neutrons
C. Electrons
Electrons move from negative to positive while the voltage flows ________ to _______ .
Answer:
positive to negative.
What part of the roller coaster has the lowest potential energy?
As Jack pulls his wagon down the street it moves faster and faster. Jill, sitting a few meters ahead on the sidewalk, wants to slow Jack's wagon down so that it travels with a constant speed. How can Jill accomplish her goal? A) Push the wagon with a force greater than Jack. B) Push Jack away from the wagon so that he is no longer pulling it. C) Pull on the wagon in the opposite direction with twice Jack's force. D) Push the wagon in the opposite direction at a constant force less than Jack.
Answer:
The correct answer is NONE the two forces must be equal and of opposite direction, the closest answer is D
Explanation:
In this exercise it is indicated that Jack pushes a car, it is desired that Jill pushes the car so that the speed is constant
take as positive the direction of Jack's thrust
F_jack - F_jill = 0
F_jill = F_jack
therefore the push of the two must be equal and Jill's push must have the opposite direction to Jack's push.
The correct answer is NONE the two forces must be equal and of opposite direction, the closest answer is D
A burner is placed below the right side of the beaker. Which image shows the motionvof of the liquid that will result? it's a gizmo
Convection cells
Answer:
the second picture
Explanation:
Answer: second picture
Explanation:
(it was right on my gizmo sheet)
Power is the rate at which...........is done or the rate at which........... is converted from one form to another .
Answer:
the answer is c I thought
An electric current will always follow
a.
the path of least resistance.
b.
a path toward the north pole.
c.
a path toward the south pole.
d.
the path that leads through insulators.
Answer:
A. The path of least resistance.
Explanation:
ur welcome again ;)
An electric current will always follow the path of least resistance. So, the right option is a.
In inverse relation to the resistance of the pathways, electric current follows every available paths.
The voltage and resistance of the path in the electric circuit affect the amount of electric current that flows through the circuit.
The quantity of electric current flowing through the circuit is inversely proportional to the resistance in the circuit.
Assuming a fixed voltage, the current increases with decreasing resistance. The current decreases in accordance to the level of increasing resistance.
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The smaller the mass of an object, the _____ its inertia
Answer:
larger
Explanation:
just trust me
The smaller the mass of an object, the smaller its inertia, because the inertia of any object is directly proportional to the mass of the object
What is inertia?The ability of an object to resist changes in motion is known as inertia. The amount of inertia is directly related to an object's mass; in fact, as we frequently observe, the heavier an object is, the harder it is to change its direction of motion.
A straightforward illustration: While it is relatively simple to stop a tennis ball that has been thrown in our direction, we are aware that it is more difficult to stop a large truck that is moving in the same direction at the same speed. This is because the truck has a much higher mass than the tennis ball and a higher moment of inertia. As a result, inertia rises as mass does.
Since the inertia of any object is directly proportional to its mass, the smaller its mass, the less inertia it will have.
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please help I got no time!!
Answer:
42a. Ammeter 2 = 0.20 A
42b. Ammeter 3 = 0.20 A
42c. The current will remain the same i.e unchanged.
43. Equivalent resistance is 11780 Ω
46a. 11 V
46b. 7.5 V
46c. 18.5 V
47. 1.70 A
Explanation:
42a. Determination of ammeter 2
Ammeter 1 = 0.20 A
Ammeter 2 =?
Since the resistors are in series connection, the same current will pass through them. Thus, ammeter 2 will read 0.20 A.
Ammeter 2 = ammeter 1 = 0.20 A
42b. Determination of ammeter 3
Ammeter 1 = 0.20 A
Ammeter 3 =?
Since the resistors are in series connection, the same current will pass through them. Thus, ammeter 3 will read 0.20 A.
Ammeter 3 = ammeter 1 = 0.20 A
42c. Since the resistors are in series connection, the same current will pass through them. Therefore, the current will remain the same.
43. Determination of the equivalent resistance.
We'll begin by converting 1.1 KΩ and 10 KΩ to Ω. This can be obtained as follow:
1 KΩ = 1000 Ω
Therefore,
1.1 KΩ = 1.1 KΩ × 1000 Ω / 1 KΩ
1.1 KΩ = 1100 Ω
1 KΩ = 1000 Ω
Therefore,
10 KΩ = 10 KΩ × 1000 Ω / 1 KΩ
10 KΩ = 10000 Ω
Finally, we shall determine determine the equivalent. This can be obtained as follow:
Resistor 1 (R₁) = 680 Ω
Resistor 2 (R₂) = 1100 Ω
Resistor 3 (R₃) = 10000 Ω
Equivalent Resistance (Rₑq) =?
Rₑq = R₁ + R₂ + R₃
Rₑq = 680 + 1100 + 10000
Rₑq = 11780 Ω
Thus, the equivalent resistance is 11780 Ω
46a. Determination of the voltage across 22 Ω
Current (I) = 0.50 A
Resistor (R₁) = 22 Ω
Voltage (V₁) =?
NOTE: the current is the same since the resistor are in series connection.
V₁ = IR₁
V₁ = 0.5 × 22
V₁ = 11 V
46b. Determination of the voltage across 15 Ω
Current (I) = 0.50 A
Resistor (R₂) = 15 Ω
Voltage (V₂) =?
NOTE: the current is the same since the resistor are in series connection.
V₂ = IR₂
V₂ = 0.5 × 15
V₂ = 7.5 V
46c. Determination of the voltage of the battery.
Voltage 1 (V₁) = 11 V
Voltage 2 (V₂) = 7.5 V
Battery voltage (V) =?
V = V₁ + V₂
V = 11 + 7.5
V = 18.5 V
47. Determination of the current.
We'll begin by calculating the equivalent resistance. This can be obtained as follow:
Resistor 1 (R₁) = 22 Ω
Resistor 2 (R₂) = 4.5 Ω
Equivalent Resistance (R) =?
R = R₁ + R₂
R = 22 + 4.5
R = 26.5 Ω
Finally, we shall determine the current.
Voltage (V) = 45 V
Resistance (R) = 26.5 Ω
Current (I) =?
V = IR
45 = I × 26.5
Divide both side by 26.5
I = 45 / 26.5
I = 1.70 A
Which of the following regions of the EM epxtrum has the highest
frequency?
1) x rays
2) microwaves
3) infrared light
4) ultraviolet light
Answer:
1) x rays
Explanation:
Honestly Gamma rays has the Highest frequency, but in your options, gamma rays is not among, so x rays has the highest frequency among your options.
by Manshow
Answer:
The answer is (X-rays)
number 1
A person invested
$
8
,
900
$8,900 in an account growing at a rate allowing the money to double every 7 years. How long, to the nearest tenth of a year would it take for the value of the account to reach
$
20
,
600
$20,600?
Answer:
8.5
Explanation:
To the nearest tenth of a year, it would take around 9.1 years when calculate compoundly for the account's worth to reach $20,600.
What is Compound interest?A loan or investment's initial principal as well as any accrued interest from earlier periods are both taken into account when calculating compound interest.
To resolve this issue, we can apply the compound interest formula:
A = P(1 + r/n)nt
where:
A represents the balance of the account after t years.P stands for the initial outlay ($8,900 in this case).The annual interest rate is r, which is unknown.The number n determines how often interest is compounded each year (in this case, once every seven years because the value of the money doubles every seven years).The number of years is t.When A = $20,600, we need to determine t. Since we are aware that the initial investment would double after seven years, we can use the following formula to determine the yearly interest rate:
2 = (1 + r/n)^(nt)
If n is 1/7 (since the investment twice once every 7 years), 2 is the factor by which the investment doubles, and t is an unknown.
When we simplify this equation, we obtain:
t log(1 + r/7) = log(2)
When we solve for r, we get:
r = 7[(2^(1/t))-1]
Now that we have P, r, n, and A, we can enter them into the compound interest formula to find t:
$20,600 = $8,900(1 + r/1)^(1t)
2.318 = (1 + r)^t = log (2.318) / log (one plus r)
t is equal to log(2.318)/log(1 + 7[(2(1/t))-1]).
We can iteratively solve for t using a calculator, beginning with a first guess of 7 years (because the investment doubles every 7 years):
r = 0.0998 and A = $17,800 for t = 7 years
r = 0.0909 and A = $19,397 for t = 8 years.
r = 0.0833 and A = $20,416 for t = 9 years.
r = 0.0823 and A = $20,601 (closest to $20,600) for t = 9.1 years
As a result, it would take the account's value to reach $20,600 in around 9.1 years (to the nearest tenth of a year).
Therefore, when calculated compoundly, it would take approximately 9.1 years for the account's value to reach $20,600, to the nearest tenth of a year.
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Although not all snakes are poisonous, all snakes may carry what infection?
a
Rabies
b
Polio
c
Tetanus (or Lockjaw)
d
Lyme's disease
Answer:
C
Explanation:
Not A because mammals cant get rabies. Defenently not polio. I think C is the best answer. Lyme disease is caused by ticks, so no.
1.
You just earned a $1000 bonus at your job. Would you rather receive all the money at the end of the
year or half the money now and half the money later? Why?
Energy ___________.
is used to do work
can't be converted from one form to another
can be created or destroyed
Answer:
BRAINLIEST PLSSSSSSSSSSSSSSSSSSSSSSSS
Thermodynamics
Explanation:
Thermodynamics is the study of energy. First Law of Thermodynamics: Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another.
A prism is made from transparent plastic. In this plastic, light travels at 0.8
in air. Light enters one face of the prism at right-angles as shown.
NOT TO
SCALE
ө
The light just escapes from the sloping face of the prism.
What is angle 0?
A 37°
B
390
С
510
D
53°
Answer:
Real answer is im sorry if im wrong
Explanation:
A 53°
The value of the angle Θ will be 51.3°. Option C is correct.
What is the definition of geometry?It is concerned with the geometry, region, and density of various 2D and 3D shapes.
From snell's law;
[tex]\rm n= \frac{sini}{sinr} \\\\ 0.8= \frac{sin(90-\theta)}{sin \theta} \\\\ 0.8= cot \theta \\\\ \theta= cot^{-1} (0.8)\\\\ \theta =51.3^0[/tex]
The value of the angle Θ will be 51.3°.
Hence,option C is correct.
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