The unicorn suddenly ran through the school at 5.6 m/s and it has a mass of 450 kg. What is the unicorn’s kinetic energy?
Answer:
KE = 567000 J
planation:
The kinetic energy of the unicorn can be find out from its mass and velocity. The kinetic energy of unicorn is 7056 J.
What is kinetic energy ?Kinetic energy is a form of energy on an object generated by virtue of its motion. It is related to the mass and velocity of the object by the expression written below:
Ke = 1/2 m v²
When an object starts moving from rest, its potential energy converts to kinetic energy. As the mass and velocity increases, kinetic energy increases.
Given that, m = 450 kg
v = 5.6 m/s
then , Ke = 1/2 450 kg × (5.6 m/s )² = 7056 J.
Therefore, the kinetic energy of the unicorn is 7056 J.
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help me !!!!!!!!!!!!!!!!!!!!!!!!!!
Please help me!
Heat always flows from a BLANK 1 place to a BLANK 2 place.
Blank 1:
higher, lower, colder, hotter
Blank 2:
higher, lower, colder, hotter
Answer:
higher hotter lower colder
Explanation:
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If someone can write everything on this graph, they shall get points.
Answeill give it a go i guess
Explanation:
Year on Gravestone Thickness at bottom Time of weathering AOW
1758 78.5 258 2.4
1766 82.5 79.6 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4
1758 78.5 258 2.4 nvm got lazy
Please help! No links or spam, I will report.
Answer:
Need points
Explanation:
bleh
A 6-newton object is raised 12 meters. How much work is done?
2 newton-meters
72 foot-pounds
72 newton-meters
I WILL PERSONALLY SEND YOUR USERNAME TO BRAINLY'S EMAIL IF YOU SEND A LINK
Which is NOT an INHERITED TRAIT?
The color of the plant's flowers
Holes in leaves that were made by insects
The ability of some plants to shed their leaves
The size and shape of the leaves
In Hans Oersted’s experiment, why did a compass needle move when an electric current flowed through a nearby wire?
A. The compass conducted electricity.
B. The current created a magnetic field around the wire.
C. The compass was broken.
D. The current changed Earth’s magnetic field.
Answer:
B. The current created a magnetic field around the wire
Explanation:
Hans Oersted discovered the magnetic effect of the electric current. In his experiment, he discovered that when the electric current flowed through a wire a magnetic field was created and the wire acted as a magnet.
(*) Sorry for my late answer but I hope this helps others that are looking for this.
100% in the test ;)
(NO LINKS) A carpenter strikes a nail with a hammer, pushing it into wood.
What are the forces in the force pair for this example?
A. the force applied by the nail on the wood
the force applied by the hammer on the carpenter
B. the force applied by the nail on the wood
the force applied by the nail on the hammer
C. the force applied by the hammer on the nail
the force applied by the hammer on the carpenter
D. the force applied by the hammer on the nail
the force applied by the nail on the hammer
Answer:
The force applied by the hammer on the nail the force applied by the nail on the hammer(no links or files) How can an electromagnetic wave transmit energy?
A. Electromagnetic waves are vibrations in a medium. These vibrations carry energy.
B. Electromagnetic waves themselves are packets of energy. They transmit their energy if they are absorbed by an object.
C. Electromagnetic waves are vibrations in a medium. These vibrations carry both matter and energy to distant locations.
D. Electromagnetic waves are heat rays. They transmit their energy to objects they hit.
Answer:B
Explanation: I think this is the answer
At which position will the bar magnets most likely experience the least magnetic potential energy between them?
A diagram is shown of 4 different positions for a pair of magnets.A table shows 4 arrangements of a pair of magnets. In the first row, position 1, shows two horizontally oriented magnets as rectangles with the left end in red labeled N and the right end in blue labeled S. A large gap exists between the magnets. The second row, position 2, shows the magnets slightly closer together. In the third row, position 3, they are even closer. In the fourth row, position 4, the magnets are connected, with the blue end of the left magnet connected to the red left side of the magnet to the right.
A. position 1
B. position 2
C. position 3
D. position 4
Answer:
a. position one
Explanation:
Because when you sit them done the other positions connect automatedly ,but this one does not because to for away.
hope this helps.
ANSWER ASAP GIVING BRAINLIEST AND OTHER STUFF!
Please answer the following with 5 or more sentences:
How does the velocity of a moving object depend on the choice of frame of reference?
Answer:
if i was to have a 10kg toy car and it was moving away from you it would get smaller like you was backing up.
Explanation:
velocity means speed-
not for sure im new here so sorry if i'm wrong
(no links or files) How can an electromagnetic wave transmit energy?
A. Electromagnetic waves are vibrations in a medium. These vibrations carry energy.
B. Electromagnetic waves themselves are packets of energy. They transmit their energy if they are absorbed by an object.
C. Electromagnetic waves are vibrations in a medium. These vibrations carry both matter and energy to distant locations.
D. Electromagnetic waves are heat rays. They transmit their energy to objects they hit.
Answer:
Charged particles—such as electrons and protons—create electromagnetic fields when they move, and these fields transport the type of energy.
Explanation:
Answer:A. Electromagnetic waves are vibrations in a medium. These vibrations carry energy.
Explanation:
Oil stores ______ energy.
A Heat
B Chemical
C Mechanical
D Electrical
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Answer:
B. Chemical
Explanation:
The energy in fossil fuels (coal, oil, gas) is Chemical Potential Energy. Fossil fuels come from decayed living matter that has stored energy in its chemical bonds (bonds of atoms and molecules). Coal, petroleum, natural gas, and propane are examples of fossil fuels that store chemical energy.
what does the relationship between the digestive system and other body system tell you about the body's need for homeostasis, that is, the ability to keep the body's internal environment stable and within normal limits?
need an answer ASAP!!!
brain list to the first answer
for 50 points
label the three planes and axis of movement on the figures. define each plane and axis of movement and axis of movement and give an example of how it relates to dance and everyday movement.
Answer: it = kobe
Explanation
The acceleration due to gravity gM on the moon is approximately 1.62 m/s2. An astronaut shifts the position of a 3.00-kg rock from 1.200 m to 1.700 m above the moon's surface. What is the change in the rock's gravitational potential energy? A. 2.43 J B. –2.43 J C. 14.7 J D. –14.7 J
Answer:
the answer is a
Explanation:
i got it right
Answer:A
Explanation:
Which is not a part of physical fitness?
A.
Muscle Strength
B.
Height
C.
Flexibility
D.
Cardio Fitness
this is GYM class just FYI
Which of these devices does NOT contain a magnet or electromagnet?
A. an electric motor
B. a doorbell
C. a telephone
D. a light bulb
Uhhh-
Is radioactive atoms a type of electromagnetic radiation?
Yes or no?
Answer:
Yes :) rjhehrhrhridjrieuuririeirurhryyrur
Answer:
no
Explanation:
What's the difference between radioactivity and radiation? As we have seen, radioactive decay is a property of a particular nucleus. In comparison, radiation is a possible consequence of many processes, not just radioactivity. ... non-ionising radiation: essentially the low-energy parts of the electromagnetic spectrum.
please help! asap! brainliest to the right answer!
The orbital radii of four planets in our solar system are shown in the following table.
Orbital Radii
Planet Orbital Radii (AU)
W 5.2
X 0.72
Y 0.37
Z 19.1
Which planets are likely to be inner planets?
Select one:
a. W and X
b. X and Y
c. Y and Z
d. X and Z
Answer: B. X and Y
Explanation:
Everyone has different strengths and abilities in sports. A. True B. False
its GYM class
Answer:
a true
Explanation:
Please helpppp meee 20 pts
Identify the arrows that show the correct direction of heat transfer.
Answer:
The arrow pointing up from the hand and the arrow pointing diagnoly from the cup
Explanation:
That is what I THINK lmk if I'm right
Please helppppp ASAP mark you Brainliest
1. Answer choice: (natural selection, diversity, scientific theory of evolution, genetic variation) and (environmental factors, inherited, inherited, extinct)
2. Answer choice: (national selection, diversity, environmental factors, extinct)
3. Answer choice: (national selection, genetic variation, inherited, environmental factors) and (genetic variation, extinct, diversity, inherited)
Answer:
Explanation:
The DIVERSITY explains how experimental factors both work to help populations respond the the environment over time
Whether a species has stopped existing recently or in ancient history it is still considered extinct
genetic variation is a result of inherited factors from parent to offspring
What physical property could you use to identify the mineral, no matter how big a piece you found?  A) color B) density C) mass D) shape
Answer:
A and B
Explanation:
You can identify a mineral by its appearance and other properties. The color and luster describe the appearance of a mineral, and streak describes the color of the powdered mineral. Each mineral has a characteristic density. Mohs Hardness Scale is used to compare the hardness of minerals.
plz help a smol bean out (no links btw)
If you were a meteorologist, what information would you like to know to predict if a tornado were to form? Explain why that information would help you.
Explanation: Moisture, temperature, and something known as wind shear, where the wind changes in strength and direction with height.
Which of these conclusions is most likely correct about the location from where the fossil was discovered?
It was a sea which was replaced by a forest.
It was a forest which was replaced by a sea.
It is mainly covered with salt water bodies.
It is mainly covered with fresh water bodies.
Answer:
A.
Explanation:
Millions of years ago, most of the foests we see today used to be oceans. In modern-day we find fossils in the ground from those old eras long ago, back when there were only sea creatures on earth and we find these.
A parked car begins to roll down a hill, what can you conclude from that observation?
A force was required to start the car rolling.
The rolling friction is equal to the car’s weight.
The rolling friction is greater than the force of the car’s weight against the hill.
The car will stop when a force equal to the weight of the car is applied against the car.
Answer:
I think you answered that yourself
Explanation:
A skateboarder pushes the ground with one foot, and moves forward.
Which statement BEST explains his motion?
The mass of the skateboard decreased causing acceleration to move him forward.
The unbalanced force exerted by the skateboarder’s foot caused him to move forward.
The mass of the student and skateboard increased causing acceleration to move him forward.
The balanced forces on the skateboard allowed it to change his motion and move him forward.
Answer:
C or D i would think would be the answer
The unbalanced force exerted by the skateboarder’s foot caused him to move forward.
When a skateboarder pushes the ground with one foot, the board moves forward. This is because of the unbalanced force exerted by the skateboarder’s foot caused him to move forward.
This is an application of Newton's first law, which states that, an object in motion or uniform motion will continue its state unless it is acted upon by an external unbalanced force.
Here, the unbalanced force exerted by the foot on the ground causes the board which was at rest to move forward.
To learn more about Newton's first law of motion, click:
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