Answer:
The light from a light bulb
Explanation:
The energy in a ball as it is falling is the right example of mechanical energy. Mechanical energy is the sum of kinetic and potential energy.
What is mechanical energy?Mechanical energy is the energy obtained by the things in which work is performed. Mechanical energy is the energy that an item possesses as a result of its motion or location.
The light from a light bulb. and the light from the sun is a form of light energy, the heat from a fire is an example of the thermal energy,
The energy in a ball as it is falling is the right example of mechanical energy. Because it includes the potential energy which is the virtue of the position and the kinetic energy due to the motion.
Hence option A is correct
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If the weight of displaced liquid and the weight of an object are the same, the object will:
(A) sink
(B) float
(C) float, but partially submerged
Answer:
c
Explanation:
I think but if I'm wrong I'm sorry
Answer:
i think its float
Explanation:
Why is the pressure so high deep inside the outer planets?
Answer:
they a giant ball of gases, so the answer is they have very large gas masses
Explanation:
Answer:
get G OA S S E d
Explanation:
d gasses are large
A rock is thrown straight upward with an initial velocity of 20 m/s where the downward acceleration due to gravity is -10 m/s^2. How long is the ball in the air before it returns to the thrower's hand?
Answer:
4 seconds
Explanation:
Given:
Δy = 0 m
v₀ = 20 m/s
a = -10 m/s²
Find: t
Δy = v₀ t + ½ at²
0 m = (20 m/s) t + ½ (-10 m/s²) t²
0 = 20t − 5t²
0 = 5t (4 − t)
t = 4
Which event causes the least amount of time to go by on the game clock?
Question 3 options:
A three-point shot
A bounce pass
A free throw
An alley-oop
The event that causes the least amount of time to go by on the game clock is a free throw.
In basketball, a free throw is an unhindered shot made from behind a set line.This throw (free throw) is produced because of a foul caused by an opponent.The obtention of free throws can be a strategy to win a game.In conclusion, the event that causes the least amount of time to go by on the game clock is a free throw.
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A rowboat that is traveling 2.5m/s to the north, encounters a current traveling 4.3m/s to the east. What is the resultant velocity of the rowboat, including the angle?
In what ways are plasmas similar to gases? What makes plasmas different than gases?
Answer:
Like gases, the particles in plasmas are constantly moving at high speeds, and do not have a definite shape or volume. Plasma is formed when the kinetic energy of the molecules in a gas gets very large and the temperature gets very high. This causes electrons to be released by the atom, creating ionized particles, which are positive ions and negative electrons.
Explanation:
Sample Response <3.
What is the volume of 27 g of aluminium?
Answer:10cm3
Explanation:Volume Al = (27g Al)/(2.70g/cm3 Al) = 10cm3 Al. So, 27g of Al has a volume of 10cm3. *
Answer:
Explanation:
as we know that
density=mass/volume
given mass of Al=27 g
density of Al=2.70g/cm^3
volume =mass/density
volume=27/2.70
volume=10 cm³
so 27 g of Al has volume of 10 cm³
Where does the energy of plasma come from?
Answer:
El plasma es un estado de la materia que se caracteriza por su alta energía e inestabilidad. La energía del plasma, entrando en contacto con la superficie de materiales sólidos – plásticos o metales – modifica sus propiedades fundamentales, como por ejemplo la tensión superficial.
Explanation:
Plasma – el cuarto estado de la materia
A través de aportación de energía se cambia el estado de la materia: de sólido a líquido y de líquido a gaseoso. Si al gas se aporta energía adicional, éste se ioniza, es decir, que por la mayor energía el gas se convierte en plasma - el así llamado “cuarto estado de la materia”.
Answer: I translated it
Hope to get Brainliest.
Plasma is a state of matter that is characterized by high energy and instability. The energy of the plasma, coming into contact with the surface of solid materials - plastics or metals - modifies their fundamental properties, such as surface tension.
Explanation:
Plasma - the fourth state of matter
Through the contribution of energy, the state of matter is changed: from solid to liquid and from liquid to gas. If additional energy is supplied to the gas, it is ionized, that is, due to the increased energy the gas is converted into plasma - the so-called “fourth state of matter”.
A car is traveling at 40 m/s. If it travels for 30 s how far will it travel.
Answer:
okay I might be wrong but it was an answer i had in like fifth grade MAYBE 1,200 meters
Explanation:
A young woman suffered from a severe injury to her pelvic cavity. What potential problem would her doctors be most likely concerned about? difficulty digesting food inability to produce oxygenated blood inability to breath normally difficulty having children
I'm Pretty Sure The Answer Is - Difficulty Digesting Food Inability
Hopr This Help's
Answer:
Difficulty having children
Explanation:
Just took the test.
what test is an aptitude test
An aptitude test is a systematic means of testing a job candidate's abilities to perform specific tasks and react to a range of different situations. The tests each have a standardised method of administration and scoring. The results are quantified and compared with all other test takers.
Answer:
Hi There!
Explanation:
An aptitude test is a systematic means of testing a job candidate’s abilities to perform specific tasks and react to a range of different situations. The tests each have a standardised method of administration and scoring, with the results quantified and compared with all other test takers.
~Your Welcome!
Question 10 of 15
Which of the following are not phases of matter?
A. Gas
B. Mixture
€. Liquid
D. Compound
E. Solid
Answer:
B. and D.
Explanation:
phases of matter are solid liquid and gas
Answer:
b and d
Explanation:
phases are solid liquid and gas
The results of a dart game were precise but not accurate. The accepted value of the game was the center of the dartboard. Which correctly describes the results? All of the darts hit the center of the board. Some of the darts hit the center of the board. The darts hit the same general area of the board. The darts hit very different areas of the board.
Answer:
The darts hit very different areas of the board.
Explanation:
The bullseye is the point at which darts are most accurate. There is no accuracy nor precision if the darts are neither close to the target nor to one another.
What is dart precision?The degree of similarity between several measurements is known as precision.
Even if the measurements are not exactly the right value, they are very reproducible.
Throwing darts at a dartboard can be used to demonstrate accuracy and precision.
There is precision but not accuracy if every dart lands distant from the bulls-eye but extremely closely spaced apart.
In contrast to a dart that lands far from the bulls-eye, which shows poor accuracy, a dart that hits the bulls-eye is very accurate.
Therefore, The board was struck by the darts in a variety of ways.
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Please help me on this position-time graph assignment!!!
[tex]\text{Hello there! :)}[/tex]
[tex]\text{The velocity is essentially the slope of the graph in a position vs. time graph, so:}[/tex]
[tex]\text{Given: From 0 - 8 sec, velocity of 10 m/s.}\\\\\text{From 8 - 18 sec, velocity of -5 m/s. (In opposite direction because of the negative sign)}\\\\\\\text{From 18 - 22 sec, velocity of 0 m/s. (Object at rest)}\\\\\text{From 22 - 24 sec, velocity of 5 m/s.}\\\\\text{Graph the position vs. time graph using the velocities as the slope of the line }[/tex]
Think and discuss: Why do you think the rate of temperature change does not stay constant over time? If possible, discuss your answer with your teacher and classmates.
Because the temperature of the place its contained in is constantly changing, for example, if you put a room temperature item in the fridge it will become cold, or whatever the temperature you set your fridge to.
Variation in the factors of climate leads to variable temperature around the world.
The rate of temperature change does not stay constant over time because of changes occur in the climatic factors. The climatic factors such as latitude, elevation, nearby water, ocean currents, topography, vegetation, and prevailing winds can't remain constant which leads to variable temperature in different regions of the world.
The temperature will remain the same if all the world has same environmental conditions so we can conclude that variation in the factors of climate leads to variable temperature around the world.
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List the planets that have MORE THAN 3 moons.
Answer:
jupiter they have 79 moons,saturn has 62,uranus has 27,neptune has 14,pluto has 5,
Explanation:
is -9/6 irrational, rational, and integer, a whole, number or natural?
Answer:
-9/6 is only rational.
Explanation:
-9/6 = -1.5
not an integer bc decimal
not irrational because it can be represented as a fraction
not a whole or natural number because its negative.
what is the difference between a physical quantity and a unit
Answer: What is the difference of physical quanity and a unit?
Explanation: If you are working science or math problems, the answer to this question is that quantity is the amount or numerical value, while the unit is the measurement. For example, if a sample contains 453 grams, the quantity is 453 while the unit is grams.
Which source of energy would you prefer for cooking and why?
Answer:
gas
Explanation:
because It is fast and easy
Which material will heat up the most quickly if placed near a heat source?
Rubber
Plastic
Glass
Metal
Answer:
Metal
Explanation:
Just answered on Apex
Metal is the material will heat up the most quickly if placed near a heat source. Option D is correct.
What is heat ?
The movement of energy from a hot to a cold item is characterized as heat. Heat energy flows from a hot material to a cold one.
This occurs because faster-vibrating molecules transmit their energy to slower-vibrating ones. Heat content is another name for vibrational energy.
It is hot or chilly depending on how much heat is there in the body. The body will be hotter as the heat content increases. The movement of energy from a hot to a cold item is characterized as heat.
The heat flow in the material is due to the free electrons. In the metal, no of free electron is highest. Metal is the material will heat up the most quickly if placed near a heat source.
Hence, option D is correct.
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How many significant figures?
5.0001
O None of these are correct
O 5
02
0 1
5
if zero falls between two significant numbers it becomes significant.
hey can anyone help me out in dis pls!
Answer:
D
Explanation:
Answer:
B
Explanation:
increasing the waters temperature
explain at least two differences between justice system laws and scientific laws.
What is the mass number of this atom?
Model Atom
w
A. 8
B. 16
C. 24
Answer:
C.24
Explanation:
ok...... ..........
function of osteoblasts in the body
Answer:
They provide structure and support.
Explanation:
Can anyone help me please?
Answer: 2 PARAGRAPH ESSAY
Explanation:Flexibility and stretching: preventing sports injuries
Many may know about all the different types of sports around the world. Lots can leave serious injuries. All across the world more than 1.2 million people have been injured because of sports or maybe more than that. Most of the injuries have been kids. To prevent these injuries from happening. One thing is stretching if you don’t stretch your bones more than likely you are not into your flexibility and reflexus that for they are very weak. If there is not enough flexibility within your movement you are more than likely not able to stretch. It can help the growth within your bone as well. If you have growth in your bones then you will get less injuries. If you break a bone such as your leg or sprain there is a chance that you will have problems with that specific leg later on in life. To prevent these types of events from happening I say stretch before a sporting game. Stretching can help with the impact of your flexibility. For example, Olympic gymnasts are able to do lots of tricks because their bones have flexibility in their bones. That's not saying that they will not hurt themselves, it's just such a low risk because their bone grew strength and flexibility. Some people's bones can be very sensitive then others so it might be kind of hard for them to be flexible. Another way to help people with their bone flexibility is drinking milk. Milk helps grow your bones. This can help prevent sport injuries in many ways. Lots of people get hurt in football to be more specific because it's such a durable sport as in tough. If they drink a lot of protein and milk before a game maybe even Carbohydrates their bones will be ready for the game. Flexibility and stretching can go lots of ways when it has to do with your body. JUST STAY FIT
The world record for the fastest train on Earth was set by abullet train from Tokyo to Osaka in Japan. Without passengers,it can travel at a speed of 300 km/hr. How many centimeters
per second can it travel?
cm/sec. *round to nearest whole number *
Answer:
8333
Explanation:
300km/hr = 300/60 = 5 km per min
5km/min = 5/60 = .08333333km per sec
km to cm = 100000, so
.083333 * 100000 = 8333
The train would travel at a speed of 8333.33 centimeters/second.
What is speed?The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object. The unit of speed is a meter/second. The generally considered unit for speed is a meter per second.
As given in the problem the world record for the fastest train on Earth was set by a bullet train from Tokyo to Osaka in Japan. Without passengers, it can travel at a speed of 300 kilometers/hour,
1 kilometer = 1000 meters
1 meter = 100 centimeters
300 kilometers = 300×100000 centimeters
the speed of the fastest train = 300×100000 centimeters /3600 seconds
= 8333.33 centimeters/second
Thus, the speed of the fastest train would be 8333.33 centimeters/second
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A seal swims toward an inlet with a speed of 7.0 m/s as a current of 1.5 m/s
flows in the opposite direction. How long will it take the seal to swim
120. m?
Answer:
scees 3
Explanation:
fd4cesv 3sce3bd. s3 s3vd3 ze ze 4s d4 zr s3 d4
A biker starting from rest reaches a final speed of 3.0 m/s in 3 seconds. What is the acceleration of the biker?
Answer:
1 m/s²
Explanation:
Given:
v₀ = 0 m/s
v = 3.0 m/s
t = 3 s
Find: a
a = (v − v₀) / t
a = (3.0 m/s − 0 m/s) / 3 s
a = 1 m/s²
Ms. Kasper is in a panic. Her cat, Penny, is stuck in a tree and about to jump out. In order to save her cat, Ms. Kasper needs to run to the tree, 12 meters away. If it takes her cat, 3 seconds to fall, how fast would Ms. Kasper have to run to save her cat?
Answer:
Speed greater than 4 m/s
Explanation:
Given that Ms. Kasper is in a panic. Her cat, Penny, is stuck in a tree and about to jump out. In order to save her cat, Ms. Kasper needs to run to the tree, 12 meters away. If it takes her cat, 3 seconds to fall, how fast would Ms. Kasper have to run to save her cat?
The distance = 12 m
Time = 3s
Speed = distance/time
Speed = 12/3
Speed = 4 m/s
Ms Kasper must run at speed more than 4m/s for her to save the cat.