The amount of energy will be 12,528,000 J.
What is energy?Energy represents the ability to do tasks. This could exist in several forms, including potential, kinetic, thermal, electrical, chemical, radioactive, and others.
Given data:
[tex]P_{1} = 200 W\\P_{2} = 55W[/tex]
Calculation of energy
The energy can be calculated by using the formula:
ΔW = [tex]W_{1} - W_{2}[/tex]
It is known that, w = pt
where, w is energy and p is power.
ΔW =
[tex]= P_{1}t - P_{2}t = t(P_{1}- P_{2}) \\= 86400 (200 - 55) \\= 12528000 J[/tex]
Therefore, the amount of energy will be 12,528,000 J.
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A cheetah runs with a constant speed of 8 m/s. How far has the cheetah gone after 25 seconds?
A 9 V battery is connected in series to four resistors as follows: R1 = 2 Ω, R2 = 4 Ω, R3 = 4 Ω, and R4 = 8 Ω. What is the total resistance of the circuit?
A. 0.5 Ω
B. 9 V
C. 18 A
D. 18 Ω
How is the precision of a calculated result related to the precision of the measurements used in the calculation?
Answer:
The result is only as precise as the least precise measurement used in the calculation.
Explanation:
give an example of something that is cyclic and non - cyclic
A cyclic process is a process in which the system returns to its original state at the end of the cycle. A non-cyclic process is a process in which the system does not return to its original state at the end of the cycle. An example of a cyclic process is the four-stroke gasoline engine, and an example of a non-cyclic process is irreversible processes.
Explanation:A cyclic process is a process in which the system returns to its original state at the end of the cycle. An example of a cyclic process is the four-stroke gasoline engine, which operates according to the Otto cycle. This cycle is a repeating sequence of processes that convert heat into work. On the other hand, a non-cyclic process is a process in which the system does not return to its original state at the end of the cycle. An example of a non-cyclic process is irreversible processes, which depend on the path and do not return to their original state.
What is an inelastic collision?
Answer:
An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved due to the action of internal friction. In collisions of macroscopic bodies, some kinetic energy is turned into vibrational energy of the atoms, causing a heating effect, and the bodies are deformed.
Explanation:
explain how the metric system is based on a system of tens
Final answer:
The metric system is based on a decimal system with fundamental units meter, kilogram, and second, allowing for easy conversions using powers of ten and consistent measurements for objects of all sizes.
Explanation:
The metric system is structured on a base-10 or decimal system, where each unit is a power of ten of the fundamental units for length, mass, and time, which are meter (m), kilogram (kg), and second (s), respectively. In this system, converting between units is as simple as moving the decimal point to the right or left. For example, 1 meter equals 100 centimeters and 1 kilogram equals 1000 grams, illustrating the system's reliance on multiples of ten.
Moreover, the metric system incorporates a set of prefixes to indicate multiples and submultiples based on factors of 10, such as kilo- (1000), centi- (1/100), and milli- (1/1000). This versatility allows easy conversions and ensures consistent measurements for objects of varying sizes, from very small (like a cell) to very large (like a planet).
Pls help with this question
If 60 lbs of force must be applied to the valve for it to open, how much upward force must push rod X apply for the valve to open?
Answer:
It must push 40 lbs of force to open the valve.
Explanation:
The momentum at one end of the pivot must be equal to the momentum at the other end. Assuming the 60 lbs of force (F1) is applied at 2 inches from the pivot (d1) and the upward force (F2) is applied at 3 inches from the pivot (d2), then:
F1*d1 = F2*d2
Solving for F2 we get:
F2 = F1*d1/d2
F2 = 60*2/3 = 40 lbs of force
Which of the following is a lower body stretch , biceps curl,
Arm circle,
Quadriceps stretch,
Trunk twist
Is the balancing egg video based on science or pseudoscience? Explain why.
I put a text version pic of what was in the video.
A scientist adds heat to each of the following substances. Which will probably absorb the most heat before its temperature changes significantly? 50 g of solid copper 50 g of solid iron 50 g of liquid water 50 g of sand
Question 2(Multiple Choice Worth 2 points) A drop of water placed on a smooth, dry surface will form a dome-shaped droplet instead of flowing outward in different directions. Which of these best explains this observation? The bonds between hydrogen and oxygen atoms are very strong. The electrons in the atoms attract the electrons in the other atoms. Water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid. Water molecules near the surface produce more buoyant force than water molecules within the liquid.
Question 3(Multiple Choice Worth 2 points) Which of these best explains what happens when the ionic substance calcium chloride (CaCl2) dissolves in water? The oxygen atoms in the water molecules are attracted to the Ca2+ ions. The oxygen atoms in the water molecules are attracted to the Cl− ions. The hydrogen atoms in the water molecules are attracted to the Ca2+ ions. The oxygen atoms in the water molecules are attracted to the H+ ions.
Question 4(Multiple Choice Worth 2 points) Which of these statements about water is true? Its atoms share electrons equally. It can dissolve all known substances. Its molecules are farther apart in the solid state than in the liquid state. It has a lower specific heat than nearly all known metals.
3. A 92 kg Tarzan is holding on to a level 22m vine. He swings on the vine. What will his speed at the bottom of the swing be?
Please help A.S.A.P.!!!!!
Tarzan's speed at the bottom of the swing can be found using the conservation of energy principle, resulting in approximately 20.76 m/s.
Explanation:To find Tarzan's speed at the bottom of the swing, we use the principle of conservation of energy. Initially, Tarzan has gravitational potential energy (GPE) when the vine is level. As he swings down, this potential energy is converted into kinetic energy (KE).
At the bottom of the swing, assuming no energy loss to friction or air resistance, all GPE has been converted into KE. The formula for potential energy is U = mgh, where m is mass, g is the acceleration due to gravity, and h is height. The formula for kinetic energy is KE = ½mv², where v is velocity. Setting GPE equal to KE and solving for v gives v = √(2gh).
Substituting the known values, g = 9.8 m/s² and h = 22 m, we get:
v = √(2 × 9.8 m/s² × 22 m) = √(431.2 m²/s²) ≈ 20.76 m/s.
Therefore, Tarzan's speed at the bottom of the swing would be approximately 20.76 m/s.
If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object?
A. 13.58 m/s
B. 2.75 m/s
C. 33 m/s
D. 5.42 m/s
A boy of weight 500 N has feet with a total area of 200 cm2.
What is the pressure between him and the ground if he stands on both feet?
solution must be with formula.
Final answer:
The pressure between a person and the ground when standing on both feet can be calculated using the formula: Pressure = Force / Area. By substituting the given values into the formula, we can determine the pressure to be 25000 Pa.
Explanation:
The pressure between a person and the ground when standing on both feet can be calculated using the formula:
Pressure = Force / Area
Given that the weight of the boy is 500 N and the total area of his feet is 200 cm², we can substitute these values into the formula:
Pressure = 500 N / 200 cm²
Now, convert the area to square meters to maintain consistent units:
Pressure = 500 N / (200 cm² x (1 m/100 cm) x (1 m/100 cm))
Pressure = 500 N / 0.02 m²
Pressure = 25000 N/m² or 25000 Pa
So, the pressure between the boy and the ground when he stands on both feet is 25000 Pa.
ana exerts a force of 20 n on a volleyball that has a mass of 0.15 kg what is the force that the volleyball exerts on ana
Answer:
the answer is -20 N i am doing the review right now and i got it right hope this helps man
Explanation:
Compare and contrast the differences in a persons cardiovascular fitness between an exercise program that utalizes the progression principle and one that does not.
Progression is the classic increase in the fitness of the individual which is essential to achieve fitness goal.
Further Explanation:
Respiratory and circulatory system works together as a coupled unit for delivering oxygen and nutrients to the other part of the body and take away carbon dioxide and waste from the body to support homeostasis. The main purpose of the cardiovascular system is to support the adequate blood flow and supply adequate amount of nutrient to all body tissue and cells and also help in regulating the body temperature.
During physical exercise, the oxygen demand of the muscle tissue increase by 15 to 25 time than normal or rest condition because the more energy is required. A hormone also helps in controlling a number of physiological reactions such as energy formation, reproductive processes, tissue growth and degradation of the muscle protein.
Progression is the classic increase in the fitness of the individual which is essential to achieve fitness goal. When an athlete starts its practice by running in the morning he complete the round in few min. but with each day and session he is able to cover more around in shorter time because he starts to overload himself with each session which is necessary to develop physical fitness.
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Answer Details:
Grade: High School
Subjects: Health
Topic: Physical Fitness
Keywords:
Cardiovascular, exercise, respiratory, circulatory, nutrient, homeostasis, physical, hormones, physiological, degradation, anabolic, catabolic, energy.
Which of the following could negatively affect the reliability of an experiment? A.testing only one variable at a time
B.having variables that are difficult or even impossible to control
C. keeping the control monitored to make sure it remains unchanged
B) Having variables that are difficult or even impossible to control.
in a star's cycle, which of the following can be thought of as opposites
anonymous 4 years ago The turbidity levels of water in four locations are shown in the table below. Which of these conclusions is most likely correct about the people in the four locations? a. People in Location A would reduce their water consumption. b. People in location B would use only bottled water for drinking purposes. c. People in Location C would complain about foul odor and taste in water. d. People in Location D would observe the least amount of contaminants in water
People in the four locations would complain about the taste and odor of the water due to the turbidity levels of the water.
What connection exists between water quality and T-turbidity?Particulate matter levels beyond a certain threshold have an impact on light transmission, ecological productivity, recreational appeal, habitat quality, and lake filling rates. Increased sedimentation and siltation in streams have the potential to affect fish and other aquatic life habitats. Additional contaminants, including as metals and microorganisms, can cling to particles. As a result, turbidity readings can be used as a sign of possible pollution in a body of water.
What is turbidity?Turbidity is a metric for a liquid's relative clarity. It is a measurement of the amount of light scattered by the components of water when light is shone through a water sample. It is an optical property of water.
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You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 17 m/s2. After 30 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect any effects due to air resistance.) The rocket eventually stops rising and then falls back to the ground. You want to get a sample of air that is 23 km above the ground.
Pyramid math (algebra 1)
Which is not a process involved in the formation of sedimentary rock?
a:weathering
b:compaction
c:deposition
d:extrusion
Answer:
d:extrusion
Explanation:
Extrusion has nothing to do with the formation of sedimentary rock, since it is a process of building objects with a defined and fixed cross section. The material is extracted using a die with the cross section to be made. This process allows the creation of complex cross sections with brittle materials, since the material only finds compression and cutting forces.
Please answer the question below
A shopping mall has a length of 200 m and a width of 75 m. What is the area of the mall?
Fill in blank without a word bank (unit is wave nature of light) 1. As water waves travels through a slit barrier, they bend and spread out. This is known as ______ 2. Two identical waves will interfere destructively, cancelling one another out, when one lags behind the other by a minimum of ___ wavelength 3. a line along which crests consistently meet crests and troughs constantly meet troughs is called a(n) ____ line 4. For two points sources vibrating in phase producing an interference pattern, the line along the central bisector is a(n) ____ line
"The spreading of waves around obstacles. Diffraction takes place with sound; with electromagnetic radiation, such as light, X-rays, and gamma rays; and with very small moving particles such as atoms, neutrons, and electrons, which show wavelike properties."
What is wave front ?"Wave front is defined as the imaginary surface constructed by the locus of all points of a wave that have the same phase, i.e. have the identical path length from the source of that wave."
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A 2-kg object is moving horizontally with a speed of 4 m/s. How much net force is required to keep the object moving at this speed and in this direction?
To maintain the constant velocity of a 2-kg object moving horizontally at 4 m/s, no net force is required as per Newton's first law of motion.
Explanation:The question asks how much net force is required to keep a 2-kg object moving horizontally at a constant speed of 4 m/s. In physics, especially when discussing Newton's laws of motion, if an object is moving at a constant velocity, the net force acting on it is zero. According to Newton's first law of motion (also known as the law of inertia), an object will continue to move at its current velocity unless acted upon by a net external force. Therefore, if the 2-kg object is moving horizontally at a steady speed and is not accelerating, the net force required to maintain that steady motion is 0 Newtons.
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a seismograph located near the San Andreas fault detects two earthquakes. One earthquake is very strong, the other is relatively weak. How will the seismographs produced during the two earthquakes compare?
During an earthquake or any ground movement, a seismograph would produce an output called seismogram in which we could see the recording of the motion of the ground in the three Cartesian axes (x, y, and z). A seismograph has a special device called seismometer that is extremely sensitive to up and down motions of the earth and this device can be understood by visualizing a weight hanging on a spring.
Since two earthquakes are producing different relative strength, therefore the correct answer to this would be:
“The seismograms produced during the two earthquakes will be very different. The stronger one will have a larger amplitude than the weaker one.”
Final answer:
A seismograph near the San Andreas fault will record larger deflections on the seismogram for a strong earthquake and smaller deflections for a weaker one, due to the higher amplitude of seismic waves. The Richter scale being logarithmic means significant differences in energy release between different magnitudes. Additionally, three-component seismographs enhance earthquake analysis by measuring three-dimensional motion.
Explanation:
A seismograph near the San Andreas fault that detects earthquakes of varying strengths would produce different seismograms for a very strong earthquake and a relatively weak one. The seismograph's recordings, known as seismograms, reflect the earthquake strength through the amplitude of the waves recorded. For a stronger earthquake, the seismic waves will have a greater amplitude, resulting in larger deflections on the seismogram, whereas a weaker earthquake will produce smaller deflections. Additionally, the patterns of P-waves (primary waves) and S-waves (secondary waves) captured by the seismograms are crucial for determining the epicenter of an earthquake by comparing arrival times recorded by multiple seismographs.
Since the Richter scale is logarithmic, the difference in magnitude between two earthquakes is significant, with each whole number increase on the scale representing a tenfold increase in amplitude of the seismic waves and roughly a thirtyfold increase in the released energy. The seismogram produced during a very strong earthquake would show considerably higher amplitudes and longer durations than the seismogram of a weaker earthquake.
Moreover, advanced seismograph stations with three-component seismographs can provide detailed information about the earthquake source by measuring motion in three perpendicular directions (east-west, north-south, and up-down), thereby contributing to a more comprehensive understanding of the earthquake's characteristics.
Which of the following describes the difference between the classes of levers? 1 the difference in effort force 2 the difference in resistance force 3the placement of the fulcrum 4 the placement of effort force, resistance force, and fulcrum
Answer:
The placement of effort force, resistance force, and fulcrum.
Explanation:
The placement of effort force, resistance force(which is the load to be moved), and fulcrum differentiates between the classes of levers.
Levers are divided into three classes and they are the first class, second class and third class lever. This machines are differentiated from one another depending on the position of their effort(E), Load applied(L) and the fulcrum (L).
For first class lever, the fulcrum is in between the load and the effort e.g a see-saw, scissors etc
For second class lever, the load is in between the fulcrum and the effort e.g a wheel barrow
For third class lever, the effort is in between the fulcrum and the load e.g a stapler
some ancient civilizations used units of measure based on the length of certain seeds. what kind of problems might you expect with such a system ?
What can iron filings sprinkled on a piece of paper demonstrate?