Answer:
25A°C=2L
35A°C=? More
=35/25×2L
=7/5×2L
=14L/5
=2.8L
i have science map and i dont know what ro answer please help me asap
Answer:
C
Explanation:
The correct answer is C because it puts equivalent measurements in the equivalent cup size. Both cups in answer C are the same measurement: 200 mL. The water in both cups is also the same measurement: 100 mL of 70 degrees Celsius. This is important because equivalent measurements for everything mean the experiment will be fair, equal, and accurate. If the measurements were not equal to each other, your experiment would not be as accurate.
Which factor is not a type of spectra?
A.
emission
B.
absorption
C.
continuous
D.
discontinuous
najah, a management researcher, conducted an experiment with the goal of confirming or contradicting the behavioral leadership approach. najah spent many days following managers around while they worked. like the ohio state university and university of michigan studies, najah’s data showed that most managers focus on
Based on the information that is depicted from the question, the data from Najah showed that most managers focus on consideration and inspiration.
The behavioral leadership theory simply focuses on how leaders behave. The theory also assumes that other leaders copy each other's traits.
Based on the complete information, the data illustrated that most managers focus on consideration and inspiration. Managers inspire their subordinates in order to accomplish a goal.
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A cliff diver dove off a cliff at 8 m/s and landed in the water 21 m away from the cliff. How high is the cliff?
The vertical height of the cliff on which the diver drove off is 33.76 m.
The given parameters;
horizontal velocity of the diver, v = 8 m/shorizontal distance traveled by the diver, X = 21The time of motion of the cliff diver is calculated as follows;
[tex]t = \frac{X}{v} \\\\t = \frac{21}{8} \\\\t = 2.625 \ s[/tex]
The vertical height of the cliff is calculated as follows;
[tex]h = v_0_y t + \frac{1}{2} gt^2\\\\h = 0 + 0.5 \times 9.8 \times 2.625^2\\\\h = 33.76 \ m[/tex]
Thus, the vertical height of the cliff on which the diver drove off is 33.76 m.
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Define power and explain how to determine power. (4 points)
The definition of power is operating electrically or having strength or force. An example of power is the functioning of a gasoline-driven saw or tool. Or Power is related to other quantities; for example, the power involved in moving a ground vehicle is the product of the traction force on the wheels and the velocity of the vehicle. The output power of a motor is the product of the torque that the motor generates and the angular velocity of its output shaft. Likewise, the power dissipated in an electrical element of a circuit is the product of the current flowing through the element and of the voltage across the element.
In an experiment to determine the density of a substance the following results were
obtained. Use the results to plot a graph of mass against volume.
Mass (g) 10 20 30 40 50 60 70 80 90
Volume (cm 3 ) 0.5 1.0 1.4 2.0 2.2 2.6 3.0 3.6 4.5
a) Find the gradient of the graph.
b) What does the gradient represent?
c) What is the mass when the volume is 1.5cm 3 ?
d) What is the volume when the mass is 65g?
Answer:
a) Gradient = rise/run = mass/volume
since the graph is mass against volume we know mass is on the y-axis and volume is on the x-axis
in physics it’s best to use a larger part of the graph to find the gradient, so imma use the biggest values.
90/4.5 = 20
(additional note: sometimes you may get a different gradient. For example, when using 30 and 1.4 you get ≈21 this is an anomalous result since ita gradient differs; a mass against volume graph is supposed to be linear)
b) gradient represents density (p) since gradient is = mass/volume. And density also = mass/volume
For c and d just plot the points and you’ll be able to read from the graph to get the values.
I got this graph (the image)
but you’ll be able to interpret better when ‘you’ draw it (so try plotting it)
Noah runs 200 m to the east and then 400 m north. What is Noah's distance and displacement?
Answer:
Noah has run 600 metres north east
How is the input energy carried to the light bulb's energy stores?
Answer:
the electric energy travels through the plug or wire or whatever is connecting the energy source to the lightbulb, which conducts electricity, and to the light bulb. the electric energy is transfered into light energy and thermal energy
Explanation:
i hope i understood this question and answered it correctly XD
if a balloon is squeezed, what happens to the pressure of the gas inside the balloon?
Answer: By squeezing the balloon, you reduce the space the gas particles can occupy. As the particles are pushed a bit closer together, they collide with more, so the pressure from the moving gas particles increases. If the volume increases, its pressure decreases.
what are the advantages of atmospheric pressure?
Answer:
it effects the amount of gas that dissolve in water
exoplanets are difficult to detect because they are:
Explanation:
Exoplanets are very hard to see directly with telescopes. They are hidden by the bright glare of the stars they orbit. So, astronomers use other ways to detect and study these distant planets.
Exoplanets are difficult to detect because they are a star 'wobbles' as it orbits the center of mass, changing the wavelength of light it emits.
newtons 2nd law of the law of…
a person sits on a freely spinning lab stool that has no friction in its axle. when this person extends her arms,
Hi there!
[tex]\boxed{\text{Her angular velocity decreases.}}[/tex]
Recall the conservation of angular momentum:
[tex]L_i = L_f\\\\I_iw_i = I_fw_f[/tex]
When this person extends her arms, her moment of inertia increases.
According to the conservation of angular momentum, if the moment of inertia increases, the angular velocity must DECREASE.
HELP PLZZZZZZ
A 30 g spoon is lifted above a table and has 0.062 J of potential energy. How high is it?
Hi there!
We know that:
U (Potential energy) = mgh
We are given the potential energy, so we can rearrange to solve for h (height):
U/mg = h
g = 9.81 m/s²
m = 30 g ⇒ 0.03 kg
0.062/(0.03 · 9.81) = 0.211 m
What is the approximate value of log⁵³ 217895.4
Answer:
3.09594
Explanation:
hope this helps
the following statements show contact force, except _____
a. closing your room's door
b. pushing your desk
c. shooting a ball on the floor using a rope
d. pulling a 10kg box on the floor using a rope
Answer:
d. pulling a 10kg box on the floor using a rope
2H20 1) How many hydrogen atoms are represented by this much water? A) 1 B) 2 )4 D) 6
based on what you know about the location in relation to the sun why is this called the goldilock zone in other galaxies
Answer: It's an area that's an optimal distance from the sun for potentially supporting life
If you took a balloon of gas and then warmed the balloon in a sunny window, what can now be said about the density of the gas in the balloon
Explanation:
The density of the gas in the balloon will explode
SOMEONE HELP PLS I WILL MARK CORRECT ANSWER BRAINLYEST ANSWER FAST PLEASE!!!!!
Answer:
C
Explanation:
a. A pure sample was analysed and was found to contain 6.25 g of lithium, 5.40 g of carbon, & 21.60
g of oxygen. Calculate the empirical formula. Show your work out. If you do not show any work out,
marks will not be given. [3]
b. The molar mass of the compound is 116 g/mol, what is its molecular formula?
PLS URGENTLY ANS
The empirical formula of the compound is Li₂CO₃
First, we will determine the respective number of moles of each element present in the compound by dividing by their atomic masses
Lithium Carbon Oxygen
6.25÷6.94 5.40÷12.01 21.60÷16.00
0.9006 0.4496 1.35
Now, divide through by the smallest number of moles, that is, 0.4496
Lithium Carbon Oxygen
0.9006÷0.4496 0.4496÷0.4496 1.35÷0.4496
2 1 3
Hence, the empirical formula of the compound is Li₂CO₃
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some properties of the particles that are sources of electric charge include
Which of the following is a defense technique to protect computers from incoming risks? *
Answer:
having a secure firewall
Explanation:
A firewall validates access by assessing this incoming traffic for any price malicious like hackers and malware that would infect your computer.
In at least 150 words, describe at least three things that occur naturally everyday and how science has had an impact on what we think or do about them.
its a physical science project paper.
Answer:
Explanation:
The three things that occur naturally everyday and how science has had an impact on what we think or do about them is
Photosynthesis is a process in which green plants manufacture there own food in the presence of sunlight through the equation below
6CO₂ + 6H₂O ⇒ C₆H₁₂O₆ + 6O₂
From the equation above, it can be seen that aside from the food (C₆H₁₂O₆) produced by green plants during photosynthesis, science has assisted us in knowing that these green plants take-up the carbon dioxide (CO₂) that is exhaled by humans and release the oxygen (O₂) that is inhaled by humans thereby purifying the air of the surrounding they are found. This concept has made man understand the importance of planting in residential areas.
Depletion of the Ozone layer; the ozone layer is a layer in the earth stratosphere which shields the earth from direct sunlight/rays. Over the years, the burning of hydrocarbon on earth has caused the depletion of this layer thereby exposing the earth to more direct sunlight from the sun. Science has had an impact in the thinking of man in this regard by making us more conscious of the risk of burning these hydrocarbons which has led to the collective efforts by governments across the world to minimize the burning of these substances.
Rain; rain are droplets of water that fall from the atmosphere. Rain formation occurs when water (in the form of ocean, river and/or seas) are evaporated into the atmosphere as a result of heat from the sun. These evaporated water molecule rises and cools down to form and form a cloud It is then returned to earth in the form of rain. This explanation changes the mythical understanding of rain in different culture
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for rogue waves to form so often, they must follow a non linear system, instead of the linear constructive interference system scientists once thought it was to explain these waves. What does it mean to be a non linear equation?
Rogue waves are unpredictable and sudden waves that appear as surface waves and that have the ability to make ships capsize. For a wave to be a non-linear equation it means that it is unpredictable. What is expected does not actually happen. The resulting wave is often chaotic in nature.
In mathematics, a non-linear equation is one in which the input does not equal the output. This makes it more difficult to predict the outcome of variables. Also, a linear constructive interference system is one in which the meeting of two waves causes an amplification in which the resulting wave is equal to the sum of the individual waves. So, when rogue waves are said to be non-linear, it means that the resulting wave is not equal to the individual waves that formed it. They are chaotic and unpredictable.Learn more here:
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How can athletes benefit from feedback given using the feedback sandwich technique?
1) by using observation and recommendation, a coach can see what is needed and suggest a plan to athletes for training and practice
2) by using observation and recommendation, athletes can see what they are doing wrong and use praise from a coach to feel more accomplished
3) by using praise and constructive criticism, athletes can use what they feel to make changes to their training
4) by using praise and constructive criticism, athletes can grow and improve through feedback that is presented positively
Answer:
The key benefits to this is the athlete thinks and reflects for themselves which is a vital part of the Learning Styles Model. This technique is most useful for more experienced athletes who like to have involvement and their own opinions about their performance.
Explanation:
In both experiments, what accounts for the change in pressure you observed as you changed the volume of the gas
Answer: When a gas is in a smaller volume, the molecules are more confined and bump into the walls of the flask more, thereby exerting a greater pressure.
Explanation:
Nick is so excited to Trick-or-Treat, he RUNS down the street to the house that has the BIG candy bars! He ran 203 meters. It took him 40 seconds to arrive at the "big candy bar" house. What was his average speed?
Help- I don't know how to answer this science question (yes, it's science/physics. )
Answer:
it would take him 1 minute to run 304.5 meters and 1 second to run 5.075 meters
Explanation:
What is the equation for density?
O D= m
V
O D= V
-
m
O D= m
O D= { mu?
2
The part of the shore that represents the water's edge and migrates back and forth with the tide is known as the ________.
Answer :It is know as the shore line
Explanation: