Answer: Hookes law states F=kX where F is the force applied, k is the spring constant, and X is the extension of the spring from its resting point.Substituting the values in, we get:F=100*(0.65-0.5)=100*0.15=15N
The chemical equation shown above represents the hydrolysis of sucrose. Under certain conditions, the rate is directly proportional to the concentration of sucrose. Which statement supports how a change in conditions can increase the rate of this reaction?
Increasing the temperature of the reaction solution can increase the rate of hydrolysis of sucrose, as higher temperatures can increase the rate of molecular motion.
What is sucrose?Sucrose is a naturally occurring carbohydrate found in plants and fruits. It is also known as table sugar, or simply sugar. It is a disaccharide composed of glucose and fructose molecules joined together by a glycosidic bond. Sucrose is the most commonly used sweetener in food and beverage production and is found in many processed foods. It is used in baking, sweetening beverages, and as a preservative in some products. Sucrose is used as an energy source for the body. It is broken down by enzymes in the small intestine, releasing glucose and fructose which are then absorbed into the bloodstream and used for energy. Sucrose has a wide variety of uses in the food industry as a preservative, flavor enhancer, and sweetener.
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Please HELPPPP!!! Describe the frequency and wavelength range of this type of electromagnetic wave. IM uses X-Ray which uses Ionizing radiation.
The frequency range of electromagnetic waves of X-ray is 3 ×10¹⁶ Hz to 3 ×10¹⁹ Hz. The wavelength range of electromagnetic waves of X-ray is 0.01 nm t0 10 nm.
What is the electromagnetic spectrum?The electromagnetic spectrum of electromagnetic waves can be described as the range of frequencies of electromagnetic radiation and its wavelengths and photon energies. The electromagnetic spectrum have range from one Hertz to above 10²⁵ Hertz.
The wavelength of electromagnetic radiation lies in between 380 to 760 nm and is detected by the human eye and characterized as visible light.
Electromagnetic waves of each frequency band are known by different names; starting at the low frequency (long wavelength) end of the spectrum these are radio waves, microwaves, infrared (IR), visible light, UV, X-rays, and gamma rays at the high-frequency (short wavelength) end.
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1. How many significant figures are there in
235 g ?
Answer:
Number of Significant Figures: 3
The Significant Figures are 2 3 5
Explanation:
Please answer the question below. No files, No Docs, or any Link. ONLY REAL ANSWER. Whoever, answers this question will get 50 points plus a 5 star rated.
What is your personal definition of democracy? What do you believe the role of government is or should be?
Answer:
i tried :( sorry
Explanation:
i believe the role of the government is to help other people and make laws tha help the environment and A democracy means rule by the people. The name is used for different forms of government.
A ladybug is resting on a 0.5 meter radius turntable that is rotating with a period of 2 seconds. The ladybug is halfway between the center and the edge. Use this information for the questions in this section.
What is the tangential distance travelled by the ladybug in one revolution?
What is the tangential velocity of the ladybug?
What is the angular distance traveled by the ladybug after one revolution?
What is the angular velocity of the ladybug?
(a) The tangential distance travelled by the ladybug is 1.57 m.
(b) The tangential velocity of the ladybug is 0.785 m/s.
(c) The angular distance traveled by the ladybug after one revolution is 0.5π radians.
(d) The angular velocity of the ladybug is 3.14 rad/s.
What is tangential distance travelled?
The tangential distance travelled by the ladybug is calculated as follows;
d = 0.5 ( 2πr )
d = ( πr )
d = π x 0.5 m = 1.57 m
The tangential velocity of the ladybug is calculated as follows;
v = d / t
where;
d is tangential distancev = ( 1.57 m ) / ( 2 s )
v = 0.785 m/s
The angular distance traveled after after one revolution is calculated as follows;
2πr = 1 rev
2π x ( 0.25) = 1 rev
1 rev = 0.5π radians
The angular velocity of the ladybug is calculated as follows;
v = ωr
ω = v/r
ω = 0.785 m/s / 0.25 m
ω = 3.14 rad/s
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i have a few questions
multipe choice
8) Kinetic energy is the energy of ________.
9)The potential energy of an object depends on its ________ and its height.
10) The law of ________ of energy states that energy can be neither created nor destroyed, but it can change its form.
11) Stored energy is called ________ energy.
12) When you move your hand or foot, your body has converted potential energy into ________ energy.
13) When coasting while roller skating, you eventually stop due to ________.
please and thank you
Energy refers to the ability or capacity to do work. Energy can be of various types as follows:
Mechanical energy (kinetic or potential)Electrical energyLight energySolar energyHeat energyKinetic energy is energy possessed by an object because of its motion while potential energy is energy possessed by an object because of its position or its condition.
The law of conservation of energy states that energy cannot be created nor destroyed but can only be transformed i.e. converted from one form to another.
Friction is a force that resists the relative motion or tendency to such motion of two bodies in contact.
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Which is the following best describes the bottleneck resource for a process? Its the resource that takes the longest time Its the resource that is fewest in number Its the resource with smallest capac
The best description of the bottleneck resource for a process is: It is the resource that takes the longest time.
In process management, a bottleneck refers to a point in the process where the flow of work is limited or constrained, causing a delay in the overall process. The bottleneck resource is the specific resource (such as a machine, equipment, or person) that has the longest processing time compared to other resources in the process.
The presence of a bottleneck resource can significantly impact the efficiency and throughput of the entire process. Since the bottleneck resource takes the longest time to complete its tasks, it creates a bottleneck effect by limiting the overall capacity of the process. The output of the process cannot exceed the capacity of the bottleneck resource, which can lead to waiting times, delays, and inefficiencies in the process.
Identifying and managing the bottleneck resource is crucial for optimizing process performance. Strategies such as increasing the capacity of the bottleneck resource, balancing workloads, improving efficiency, or redesigning the process flow can help alleviate the bottleneck and improve the overall productivity of the process.
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During a goal-line stand, a 112-kg fullback moving eastward with a speed of 6 m/s
collides head-on with a 120-kg lineman moving westward with a speed of 8 m/s.
The two players collide and stick together, moving at the same velocity after the
collision. Determine the post-collision velocity of the two players.
Answer:
-1.24 m/s
Explanation:
Total momentum before collision = total momentum after collision
Total momentum before collision = (mass of full back * velocity of fullback) + (mass of lineman * velocity of line man).
Mass of full back = 112 kg, mass of line bag = 120 kg, velocity of full back 6 m/s (east), velocity of line back = -8 m/s (west). Hence:
Total momentum before collision = (112 * 6) + (120 * -8) = 672 - 960 = -288 kgm/s
The total momentum after collision = (mass of full back + mass of line back) * velocity after collision.
Let velocity after collision be v, hence:
The total momentum after collision = (112 + 120)v = 232v
Total momentum before collision = total momentum after collision
-288 = 232v
v = -288 / 232
v = -1.24 m/s
Therefore after collision, the two players would move at a velocity 1.24 m/s west (the same direction as the lineman).
What is the mass of a rocket 5,000m above the Moon’s surface if 84kJ
of gravitational potential energy is stored? Assume g on the Moon =
1.63N/kg.
Considering the definition of potential energy, the mass of a rocket 5,000 m above the Moon’s surface is 10.31 kg.
Potential energyPotential energy is the energy that measures the ability of a system to do work based on its position. In other words, this is the energy that a body located at a certain height above the ground has.
Gravitational potential energy is the energy associated with the gravitational force. This will depend on the relative height of an object to some reference point, the mass, and the strength of gravity. Then, the expression applied to the gravitational energy of the object is:
Ep= m×g×h
Where:
Ep is the potential energy in joules (J).m is the mass in kilograms (kg). h is the height in meters (m).g is the acceleration of the fall in m/s².Mass of the rocketIn this case, you know:
Ep= 84 kJ= 84,000 J (being 1 kJ= 1,000 J)m= ?h= 5,000 mg= 1.63 N/kg= 1.63 m/s²Replacing in the definition of gravitational potential energy:
84,000 J= m×1.63 m/s²×5,000 m
Solving:
84,000 J= m× 8,150 m/s²×m
84,000 J÷ (8,150 m/s²×m)= m
10.31 kg= m
Finally, the mass of a rocket 5,000 m above the Moon’s surface is 10.31 kg.
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If 5x instead of 10x oculars were used in your microscope with the same objectives, what magnifications would be achieved?
The magnification is doubled when 10x oculars are used instead of 5x in our microscope with the same objectives.
When multiple lenses are lined together, the overall magnification can be calculated by multiplying the individual magnifications of each lens.
M = M1 × M2 × M3 × ... × Mn
where M is the overall magnification and M1, M2, M3, ..., Mn are the magnifications of the individual lenses.
Let M be the magnification of the objective, then the overall magnification,
when 5x ocular is used,
M1 = M × 5
M1 = 5M
when 10x ocular is used
M2 = M × 10
M2 = 10M
Therefore, the magnification is doubled when 10x ocular is used instead of 5x in our microscope with the same objectives.
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please convert it very very fast
Answer:
413.6
Explanation:
212 °C × 9/5 + 32 = 413.6 °F
A 15-meter length of aluminum wire is at 20 degrees C. The radius of the wire is 4.2 x 10-4 meters. What’s the resistance of the wire?
Answer:
Idek figure it out
Explanation:
Why u so lazy?
a 65.0-kg boy and 40.0-kg girl, both wearing skates, face each other at rest on a skating rink. the boy pushes the girl, sending her eastward with a speed of 4.00 m/s. describe the subsequent motion of the boy.
6.5 m/s is the velocity of the boy when a 65.0-kg boy and 40.0-kg girl, both wearing skates, face each other at rest on a skating rink.
Mass of the boy, = 65kg
girl's mass given , = 40 kg
Final velocity of the girl , = -4.00 m/s
By law of conservation of momentum
\(m_bv_ib+m_gv_ig=m_bv_fb+m_gv_fg\)
\(0=65kg(-4.0m/s)+40kgv_fg\)
\(v_fg=6.5m/s\)
When a body is travelling in a straight line, its velocity is the "rate of change of displacement with relation to time."Because it always has a direction, velocity is a vector. As a result, when the displacement to time ratio for linear velocity is determined, it provides both the direction and the magnitude.
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Explain, in terms of waves, what is meant by a compression and a rarefaction.
(DO NOT GO TO GOOGLE AND PASTE ME AN ANSWER PLZ)
Answer:
Compression is that part of longitudinal wave in which the medium of particles are closer and there is momentary decrease in volume of medium.
Rarefaction is that part of longitudinal wave in which the medium of particles apart and there is momentary increase in volume of medium.
Compression is that part in which particles vibrating in a medium come closer to each other and rarefaction is that part in which particles vibrating in a medium move apart from each other .
consider a scenario in which an object is placed on a ramp, as pictured below. the coordinate system for the problem has been chosen such that the x-direction points along the ramp and the y-direction points perpendicular to the ramp. as such, the force of gravity acting on the object (despite being vertically down) has both x- and y-components. components coordinate system three possible methods of finding the x-component of the force of gravity are pictured below. your task is to determine which method is correct, and what has gone wrong in the incorrect attempts. comp red1 is x-component of the force of gravity correctly identified in red?
Method 1 is the correct method for finding the x-component of the force of gravity in this scenario. In this method, the force of gravity is split into two components using vector addition - the parallel component along the x-axis, and the perpendicular component along the y-axis. The x-component can then be determined by multiplying the magnitude of the force of gravity (Fg) by the cosine of the angle theta, which is the angle between the x-axis and the force of gravity.
In Method 2, the x-component of the force of gravity is incorrectly identified as the y-component, as the y-axis is perpendicular to the x-axis.
In Method 3, the x-component of the force of gravity is incorrectly identified as the magnitude of the force of gravity, as this value is the total magnitude of the force, not just the x-component.
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All waves that travel through matter are called
Which of the following statements about Copernicus' heliocentric model of the Solar System are accurate?
It was the first such model was supported by scientific evidence.
It was not published until Copernicus was close to death.
It was the first time a heliocentric model had ever been suggested.
It was not controversial, and was readily accepted.
It stated that the Sun revolved around the Earth.
It stated that the Earth revolved around the Sun.
Answer:
(i) It was the first such model was supported by scientific evidence: FALSE
(ii) It was not published until Copernicus was close to death: TRUE
(iii) It was the first time a heliocentric model had ever been suggested: FALSE
(iv) It was not controversial, and was readily accepted: FALSE
(v) It stated that the Sun revolved around the Earth: FALSE
(vi) It stated that the Earth revolved around the Sun: TRUE
Explanation:
We proceed to demonstrate the validity of each option from statement:
(i) It was the first such model was supported by scientific evidence: FALSE
The geocentric model was based mostly on interpretation of two astronomical findings: (a) The displacement of the stars with respect to Earth due to stellar parallax, (b) The apparent consistency of brightness of the planet Venus seen from Earth.
(ii) It was not published until Copernicus was close to death: TRUE
Copernicus published his heliocentric theory, contained in the book De revolutionibus orbium coelestium, months before his death, in 1543.
(iii) It was the first time a heliocentric model had ever been suggested: FALSE
Greek mathematician and astronomer Aristarchus of Samos was the first person who proposed the heliocentric model in the 4th Century.
(iv) It was not controversial, and was readily accepted: FALSE
The Roman Catholic Church defended geocentric model proposed by Claudius Ptolemy and Tycho Brahe and rejected the model proposed by Copernicus, whose publication was included in the Index Librorum Prohibitorum in 1616.
(v) It stated that the Sun revolved around the Earth: FALSE
This is the main idea of the geocentric model.
(vi) It stated that the Earth revolved around the Sun: TRUE
This is the main idea of the heliocentric model.
Noe is studying wave A and wave B. Wave A is rated at 100 dB, and wave B is rated at 90 dB. Which statement can be made about the waves
Answer:
Wave a is louder than wave b!!!
Explanation:
Yes
a rock is shot vertically upward from the edge of the top of a tall building. the rock reaches its maximum height above the top of the building 1.75s after being shot. then, after barely missing the edgr of the building as it falls downward, the rock stikes the ground 6.0 s after ut us kaybcged, in si units, how tall is the building ?
The building's height is 143.8 m in SI units, and the rock strikes the ground 6.0 seconds after just missing the building's edgr as it slides downhill.
The kinematic equations of motion that explain the vertical motion of the rock may be used to calculate the height of the construction. We may use the following equations because the rock is launched vertically upward:
Y equals vi*t plus (1/2)at2 vf
^2 = vi^2 + 2ay
The maximum height will be determined first:
y = 0 * 1.75 + (1/2)(-9.8) y = vi*t + (1/2)at2 (1.75)
^2 \sy = 15.0625 m
We shall now determine the ultimate velocity:
vf = -24.3 m/s when vf = vi + 2ay when vf = 0 + 2*(-9.8)*15.0625
Using the final velocity and duration, we can now determine the height of the building:
y=vit+(1/2)at2 y=-24.36+(1/2)(-9.8) (6)
^2 \sy = -143.8 m
The metric system that serves as the industry standard for measurements is called the International System of Units (SI).
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How many nodes, not including the endpoints, are there in a standing wave that is two wavelengths long?.
Not including the endpoints, there are 3 nodes.
What is a node?
In a wave, a node is a stationary point. For example in a vibrating string of a guitar, the endpoints would be nodes.
But here we need to ignore the endpoints, we only know that the wave has two wavelengths.
For a wave with N wavelengths the number of nodes that are not endpoints is just given by 2*N - 1 (while if we counted the endpoints we would have 2*N + 1).
So in this case we have N = 2, then there are 2*2 - 1 = 3 nodes.
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hii please help i’ll give brainliest if you give a correct answer please
Answer:
they are equal and act in opposite directions
Explanation:
newton's third law of motion states that if object A exerts a force on object B, then object B will exert an equal but opposite in direction force.
hope it helps, I think my response was late,
which parameter has the most influence in changing air pressure?
The temperature parameter has the most influence in changing air pressure.
The reason for this is that air molecules expand when heated and compress when cooled. When air molecules are heated, they gain energy and begin to move more rapidly. This increased movement causes the molecules to collide with each other more frequently, creating more force and pressure. On the other hand, when air molecules are cooled, they lose energy and begin to move more slowly.
This decreased movement causes the molecules to collide with each other less frequently, creating less force and pressure. Thus, the temperature parameter has a direct impact on air pressure by changing the speed and frequency of air molecule collisions.
The temperature parameter has the most influence in changing air pressure because air pressure is caused by the force exerted by air molecules colliding with each other and with surfaces. When the temperature of air changes, the speed and frequency of air molecule collisions also change, which in turn affects air pressure.
Temperature changes can be caused by many factors, including changes in solar radiation, humidity, and altitude. For example, on a hot summer day, the sun heats the air near the ground, causing the air to rise and creating an area of low pressure. This low pressure system then draws in cooler air from surrounding areas, which can lead to thunderstorms and other weather phenomena.
The temperature parameter has the most influence on air pressure because it directly affects the speed and frequency of air molecule collisions, which are the fundamental cause of air pressure.
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If the angular speed of a 1. 1-m baseball bat is 2. 0 rad/s, what is the tangential speed of the tip of the bat?.
The tangential speed of the tip of the bat is 2.2 m/sec.
What is tangential speed?Any item travelling in a circular direction has a tangential velocity, which is its linear speed. In one full round of a turntable, a point at the outside edge travels further than a point close to the center.
The formula for tangential velocity is given by-
\(V_{r}\) = rω
r = radius of the circular path (m)
ω = angular speed
According to the question;
The angular speed of bat is 2. 0 rad/s.
The length of the bat is equal to radius of circular path = 1.1 m.
Angular speed = angular displacement/time
ω = Ф/t
2 = Ф/t
(∵ Ф = s/r); s is the actual distance travelled.
2 = s/(r×t)
s/t = r×2
= 1.1×2
s/t = 2.2
v = 2.2 (∵ s/t = v)
Therefore, the tangential speed of the tip of the bat is v = 2.2 m/sec.
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Best Answer will receive BRAINLIEST One consequence of Newton's third law of motion is that __________. A. every object that has mass has inertia B. a force acting upon an object increases that objects acceleration C. all actions have equal and opposite reactions D. none of the above
One consequence of Newton's third law of motion is that all actions have equal and opposite reactions. (C)
In fact, that's pretty much what the law itself says in so many words.
Answer:
Its C All actions have equal and opposite reactions
Explanation:
Ive done this before
which discribes what a velocity/time graph would look like with no accelaration
The ability of a material to be drawn into a thin wire is called ___________________________.
YALL PLEASE HELP
Answer:
Explanation:
The ability of a material to be drawn into a thin wire is called ductility
what are three reasonable ways the experimenter could improve upon these measurements using the same apparatus, in order to reduce the uncertainty in the resulting period values?
Test and Collect Data, Select a Better Calibration Laboratory, Remove Bias and Characterize could be three reasonable measures
For any experiment, a need to keep in mind that the data that you collected must be tested or verified which means for the best answer one needs to get the best or clear input that is input in the case of experiments. And collect relevant data only for the output to preside.
The second way could be the workplace or laboratory need to be a calibration Laboratory so the experiments could be conducted without ant external disturbance along with the required equipment to make the work easy and faster.
last but not least one need to select unbiased and characterized types of equipment which reduce the margin of error from the output we are providing
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Why The earth has atmosphere but moon does not?
Answer: MARK ME AS BRAINLIEST. I SWITCHED FROM BRAINLY.IN TO BRAINLY.COM SO MY LEVEL HASS BECOME BEGINNER
The Earth has an atmosphere, while the Moon does not, primarily due to differences in their sizes and the presence of sufficient gravity. Here are the main factors that contribute to this distinction:
Mass and Gravity: The Earth is significantly larger and more massive than the Moon. Its stronger gravitational pull allows it to retain an atmosphere. Gravity holds the gases in the atmosphere close to the Earth's surface, preventing them from escaping into space. The Moon, on the other hand, has much lower gravity, so it is unable to hold onto an atmosphere.
Escape Velocity: Escape velocity is the minimum speed an object needs to reach to escape the gravitational pull of a celestial body. The Earth's escape velocity is about 40,270 km/h (25,020 mph), while the Moon's escape velocity is much lower, around 2,380 km/h (1,480 mph). As a result, the Earth can hold on to lighter gases like nitrogen and oxygen, while the Moon's lower escape velocity allows these gases to escape into space.
Volatile Substances: The Earth has a range of volatile substances, such as water vapor, carbon dioxide, and nitrogen, that can exist as gases at the planet's surface temperature. These substances are released from the Earth's interior through processes like volcanic activity and are sustained in the atmosphere due to its composition and gravity. The Moon lacks significant amounts of such volatile substances, which further limits the formation and retention of an atmosphere.
Magnetic Field: The Earth has a strong magnetic field generated by its molten iron core. This magnetic field helps protect the atmosphere from being stripped away by the solar wind, a stream of charged particles emitted by the Sun. The Moon, however, does not possess a global magnetic field, which makes it more susceptible to the solar wind and further contributes to the lack of a substantial atmosphere.
Overall, the combination of the Earth's size, mass, gravity, presence of volatile substances, and protective magnetic field allows it to maintain an atmosphere, while the Moon's smaller size, lower gravity, absence of volatile substances, and lack of a significant magnetic field result in its lack of a substantial atmosphere.
Can you explain what a mixture is from a chemical prospective?
Answer:
I know I'm late but...
Explanation:
A mixture is the combination of two or more substances together. And I'm pretty sure that a mixture has no chemical substances. And mixtures can be physically separated.
Hope this helps you!
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9. An empty, massless cubo is monsured to have all sides equal to 11 cm. It is Ponting in water and will slowly be filled with sand
that has a density of 3.5 g/cm! What volume of sand will cause the box to sink?
Answer:
please refer to the attachment.