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.
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A pendulum is constructed from a 7.58 kg bowling ball hanging on a 3.00m long rope. The ball is pulled back until the vertical height is 0.877 m. What is the potential energy of the ball?
Answer:
A 7.58
Explanation:
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:B. the force applied by the nail on the wood
the force applied by the nail on the hammer
Explanation:
What is an example illustrating gravitational potential energy transforming into kinetic energy?
A.
A hammer dropped off a roof accelerates as it falls.
B.
A burning log heats a container of water.
C.
A rubber band becomes harder to pull as it is stretched farther.
D.
Cells in the body convert food molecules.
Answer:
C or A i think C
Explanation:
Answer:
It is A
Explanation:
I got it right on my test
Atoms of which two elements have a combined total of 23 protons? (no links and brainliest)
this is a Science question pls help give 15 coins for answer
Answer:
its recreational
Explanation:
help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Answer:
use m a t h w a y
Explanation:
Oil stores ______ energy.
A Heat
B Chemical
C Mechanical
D Electrical
NO LINKS I WILL PERSONALLY SEND YOU USERNAME TO BRAINLY'S EMAIL ADDRESS!
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.
Please help! No links or spam, I will report.
Answer:
Need points
Explanation:
bleh
(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:
(no links or files) What types of waves are shown in this image?
a. A: destroyed wave
B: reflected wave
b. A: absorbed wave
B: refracted wave
c. A: destroyed wave
B: refracted wave
d. A: absorbed wave
B: reflected wave
Answer:
Absorbed and reflected
Explanation:
B is reflected because you can’t see the red arrow which represents a light that bounces off of it and a aired up sword because you can see it win through the object shown in the picture
Calculate the kinetic energy of a 2.2 kg brick when it has a speed of 4.9 m/s.
A.
1.2 J
B.
17 J
C.
26 J
D.
220 J
Answer:
Kinetic energy of the brick is 26.4 Joule
Explanation:
( no links) An egg falls off a shelf.
What is the kinetic and potential energy of the egg just before it strikes the ground?
A. potential energy: low
kinetic energy: high
B. potential energy: high
kinetic energy: low
C. potential energy: high
kinetic energy: high
D. potential energy: low
kinetic energy: low
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object.
2. if i start with 36 ml of water in a graduated cylinder, after submerging an object the water level rises to 43 ml, what is the volume of the object
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
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.
Which of the following scenarios demonstrates the replication of a scientific investigation?
Answer:
C
Explanation:
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
Why is cellular respiration essential for homeostasis? (4 points)
To create energy that the cell can use
To make air in the body
To remove oxygen from tissues
To make new types of cells
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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
What is the correct term for the flow of charged particles?
A. electricity
B. electric force
C. electric force
D. electric chargeelectric charge
Answer:
I would say electric current, but since that isnt a given choice, i would choose electricity.
Explanation:
an electric force is an attraction between two charged particles, not the flow.
electric charge is the cause of the electric force.
again im not sure, hope this helps!
The correct term for the flow of charged particles is known as electric current or electricity. Hence, option A is correct.
What is Electrical energy?Charged material experiences a force when exposed to an electromagnetic field because of the fundamental characteristic of electric charge. It's conceivable for electrical ions to be positive or negative. Two charges that are opposed to one another repel one another.
An object with no net charge is said to be "neutral." Classical electrodynamics refers to the older theory of how charged particles interact, and it is still valid for problems that do not necessitate accounting for quantum phenomena.
The net charge of an isolated system, which is the total of the negative and positive charges, cannot change since electrical current is a conserved property. Electric charge is carried by subatomic particles.
Therefore, it concludes that flow of charged particles is termed as electricity.
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A farmer heaves a 7.56 kg bale of hay with a final velocity of 4.75. What is the kinetic energy of the bale?
Answer:
12.33
Explanation:
??
Some populations have cooperative relationships. This is where:
A. members of the same species compete for resources
B. member of different species compete for resources
C. members of the same species work together for survival
D. members of different species work together for survival
Some populations have cooperative relationships. This is where members of the same species work together for survival, therefore the correct answer is option C.
What are biomes?Biomes can be defined as regions specified by particular biological and geographical communities that evolved because of the shared regional climate of that region.
In the natural world, symbiotic partnerships can take one of three main forms: parasitism, commensalism, or mutualism. Mutual benefit: both parties win.
There are certain populations that work together. The right response is option C since this is a situation in which individuals of the same species collaborate in order to survive.
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As the ____energy of a substance increases the thermal energy of that substance will ____raising the ____ of the substance.
No link answers please!
There was no word bank either
Answer:
As the _average kinetic___energy of a substance increases the thermal energy of that substance will _increase___raising the _temperature___ of the substance.
Explanation:
(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
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
Object 1 carries a positive charge and is brought close to Object 2. Object 2 is attracted to Object 1.
Which option describes why Object 2 is attracted to Object 1?
A. Object 2 is neutral.
B. Object 2 carries a positive charge.
C. Object 2 has mass.
D. Object 2 carries a negative charge.
Answer:
D.Object 2 carries a negative charge
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.
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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?
Imagine you threw and caught a ball while you were on a train moving at a constant velocity past a station. To you, the ball appears to simply travel vertically up and then down under the influence of gravity. However, to an observer stood on the station platform the ball would appear to travel in a parabola, with a constant horizontal component of velocity equal to the velocity of the train. This is illustrated in Figure 1 below.
(Path of the ball as seen by an observer on the train and an observer at the station.)
The different observations occur because the two observers are in different frames of reference. A frame of reference is a set of coordinates that can be used to determine positions and velocities of objects in that frame; different frames of reference move relative to one another.
The laws of physics are the same in all inertial frames (this is known as Galilean invariance). Put in another way, there is no experiment that you could do to determine which reference frame you are in (Einstein used this hypothesis to devise the theory of Special Relativity). This means that we can address problems in any reference frame to give an equivalent solution.
Facts found from https://isaacphysics.org/concepts/cp_frame_reference
The needle in a compass ___________.
A. all of the above
B. keeps pointing in the same direction when you turn the compass points toward Earth’s magnetic north pole
C. is a magnet
(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