Plz help me with this question ASAP
ok i dont know to be honest
the court that has the executive power on review cases from regional trial courts
Answer:
courts of appeals
Explanation:
hope this helps
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How can you know if something has energy?
Answer:
You'll see it without noticing
Explanation:
for example: Magnets can pull to one thing, but using the other side of the magnet with the other magnet can push away the magnets, and turn it to their way of pulling, also electricity, movement, were making energy everyday, just by moving
The Escape speed at the surface of a certain planet is twice that of the earth. If the planet has radius twice of the Earth. what is its mass in unit of earth's mass?
Answer:
1.32 × 1022 short tons
Explanation:
hope this helps
The required mass of the planet is 8 times the mass of the earth.
Given that,
The Escape speed at the surface of a certain planet is twice that of the earth. The planet has a radius twice of the Earth. what is its mass in unit of earth's mass is to be determined.
An object with this velocity at the earth's surface will completely escape the earth's gravitational field, even after accounting for atmospheric losses.
here,
The escape velocity of the planet = 2 Escape velocity of the earth
[tex]\sqrt{{2GM_p}/r_p} = 2\sqrt{2GM_e/r_e}[/tex]
Substitute the values and square both sides,
[tex]{{2GM_p}/2r_e} = 4*{2GM_e/r_e}\\M_p = 8M_e[/tex]
Thus, the required mass of the planet is 8 times the mass of the earth.
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As a person pushes a box across a floor, the energy from the person’s moving arm is transferred to the box, and the box and the floor become warm. During this process, what happens to energy?
It is increased.
It is conserved.
It is decreased.
It is created.
Answer:
B..it is conserved
Explanation:
Which of the following choices is NOT a common injury in sports?
A.
concussion and muscle strains
B.
hemorrhage and arthritis
C.
ligament sprains and tears
D.
bone fractures and ankle sprains
The choice that is not a common injury in sports is hemorrhage and arthritis. Details about injuries can be found below.
What is sport?Sport is any activity that uses physical exertion or skills competitively under a set of rules that is not based on aesthetics.
Injuries are bound to occur during sporting activities and they are as follows:
ConcussionFracturesLigament sprainsankle sprainsmuscle strainsHemorrhage, which refers to the heavy release of blood within or from the body and arthritis, which is an inflammation of a joint or joints are not common injuries involved in sports.
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motion is the act of ___
the options are movement, feeling, chemical engergy and sleep
Answer:
hi
Explanation:
What is the first step in cell division?
Daughter cells create copies of their components.
Daughter cells grow in an unregulated fashion.
Parent cells are created from daughter cells that split.
Parent cells create copies of their components.
Answer:
d
Explanation:
Answer:
D.)
Parent cells create copies of their components.
Explanation:
edge2021
From an apple tree 2 metres high, a 100g mass apple fell of the tree, what work did it do?
Answer:
Workdone = 1.96 Nm
Explanation:
Given the following data;
Mass = 100g to kg 100/1000 = 0.1Kg
Distance = 2m
To find the workdone;
First of all, we would determine the force acting on the apple
Force = mass * acceleration due to gravity
But, acceleration due to gravity is equal to 9.8m/s²
Force = 0.1 * 9.8
Force = 0.98N
Now, we can find the workdone using the formula;
Workdone = force* distance
Substituting into the equation, we have
Workdone = 0.98 * 2
Workdone = 1.96 Nm
If 16,700 J of work is done to shoot the human cannonball down a 3.05 m barrel, then how much force is applied to the person to fire them out the cannon?
Answer:
[tex]5,480\:\text{N}[/tex]
Explanation:
The formula for work is given by [tex]W=F\Delta x[/tex], where [tex]F[/tex] is the force applied over a distance of [tex]\Delta x[/tex].
Plugging in given values, we get:
[tex]16,700=F\cdot 3.05,\\F=\frac{16,700}{3.05},\\F\approx \boxed{5,480\:\text{N}}[/tex](three significant figures).
Consider a gate whose Shape is a parabolic arch of height 3m and base width 3m. If the origin of the coordinate system is at the vertex, then what is the equation of the edge of the gate?
Answer:
An arch in a memorial park, having a parabolic shape, has a height of 25 feet and a base width of 30 feet.
The equation of the parabolic arch with the height of 3m and base width of 3m is x²= 3/16 y.
What is parabolic equation?Any point on a parabola is at an equal distance from both the focus, a fixed point, and the directrix, a fixed straight line. A parabola is a U-shaped plane curve. An essential component of a conic section is a parabola.
A parabola is formed by cutting a right circular cone in half along a plane perpendicular to the cone's generator. It is a locus of a moving point whose separation from the focus is equal to its separation from a stationary line (directrix) Focus refers to the fixed point, and directrix refers to the fixed line.
The equation of a parabola is x² = 4ay.
Height of the arch = 3 m
base width = 3 m
thus it goes through the point (3/2, 3)
then, (3/2)² = 4 a 3
a = 9 / (4× 12) = 3 /16
Then the equation of the parabolic arch becomes x² = 3/16 y.
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A canoe moving down the river with a kinetic energy of 5J and a speed of 0.5m/s. What’s the mass of the canoe
Mr. Cudd tries riding a bike to see if he still remembers how. As he gains some speed, he accidentally squeezes the front brakes. What happens immediately after is an example of which one of Newton’s laws?
Answer:
Newton's second Law of motion
How is a mixture different from a compound?
Answer:
MIXTURE
1 In a mixture two or more substances are mixed together (elements or compounds)
2Therd is no fixed proportion of the constituents
3 The mixture may or may not be homogenous
4 There is no chemical reaction between the constituent substances
5 There cannot be a chemical formula for a mixture
6 Heat or any other type of energy is not required or released during the formation of a mixture
7 The constituents can be separated using simple physical processes
8 The properties of the constituents are retaied
COMPOUND
1 Two or more elements form a compound
2 The constituent elements combine in a definite proportion to form a compound
3 The elements are in a definite proportion in any part or fraction of the compound
4 There is a chemical reaction in the formation of a compound
5 A compound has always a chemical formula for a compound
6 Heat orany other energy is often required for the formation of a compound or released during the formation of a compound
7 The constituent elements can't be separated using simple physical processes in case of a compound
8 The properties of the constituent elements are not retained in the compound
DUE IN 4 HOURS! HELP! WILL MARK BRAINLIEST IF DONE WITHIN THE HOUR!
Maisey is running 12mph and comes to an abrupt stop in 3 seconds when she hears her name called. What is her acceleration?
Answer:
~ 0.001 m/s^2
Explanation:
If you convert 12 miles per hour to, miles per second, it makes this easier to calculate, so do that first
12m/ 1 hour * 1 hour/ 60 mins * 1 min/ 60 sec = ~0.003333 miles per second.
Next remember that acceleration = velocity/time
So our new velocity: 0.003333 over time: 3 seconds = the acceleration.
0.003333/3 = 0.001 m/s^2
Pretend you are designing your own home. You often get cold in the winter and want to make this house as energy efficient as possible to keep you warm. Use your knowledge about energy transfer and describe at least 3 things you would include in the design of your home. Be sure to explain why you would include these things.
Answer:
I would include extra insulation, a heating system, and some snug-fitting sweaters.
Explanation:
that way i won't get cold
what type of particle carries an electric current through a wire
A power source of 6.0 V is attached to the ends of a
capacitor. The charge is 12 C.
Question 1 of 14 Which of the following statements describes a perfectly inelastic collision? O A. An ice hockey player picks up a trophy as he slides past it. O B. A baseball bat hits a baseball into the outfield. O C. A surfer falls off of his surfboard when a wave hits him. D. Two birds collide in midair and fly off in different directions.
Answer: A. An ice hockey player picks up a trophy as he slides past it
Explanation:
A PE X
The statement that best describes a perfectly inelastic collision is
C. A surfer falls off of his surfboard when a wave hits him.
What is collision?A collision is the interaction between two bodies in such a way that the momentum and velocity of one body gets changed due to the presence of other body. There are three types of collision-
1. Elastic collision
2. Inelastic collision
3. Perfectly inelastic collision.
In all types of collision , the momentum of the system before collision and after collision always remains same or we can say that momentum is conserved in collisions
What is elastic collisionAn elastic collision is the one in which kinetic energy is also conserved and coefficient of restitution is one. Both the bodies move separately with different velocities after elastic collision.
What is inelastic collision ?In inelastic collision there is a loss of kinetic energy and coefficient of restitution is less than one.
What is perfectly inelastic collision?In perfectly inelastic collision there is maximum loss of kinetic energy and coefficient of restitution is zero. Both the bodies stick together after collision and move with same velocity
What is coefficient of restitution ?Coefficient of restitution is the ratio of relative velocity of separation after collision to relative velocity of approach before collision.
A surfer falls of his surfboard when a wave hits him is an example of perfectly inelastic collision because in this when water hits the surfers he falls of and sticks to the water , and will also now move with the velocity of water .
So when the surfer falls off his surfboard when a wave hits him is perfectly inelastic collision.
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Independent practice
1.
a.
2.
Calculate the density p (in kg/m) for each of the following:
m = 10 kg and V=10 m3
b. m = 160 kg and V = 0.1 m3
C. m = 220 kg and V = 0.02 m3
A wooden post has a volume of 0.025 m' and a mass of 20 kg. Calculate its
density in kg/m
Challenge. A rectangular concrete slab is 0.80 m long, 0.60 m wide and 0.04
m thick. |
Calculate its volume in m?,
b. The mass of the concrete slab is 180 kg. Calculate its density in kg/m.
3.
a.
Explanation:
formula: Mass
Density x volume
2a) m=10kg v=0.3m³
10÷0.3=33.3 kg/m
2b) m = 160 kg V=0.1m³
160÷0.1=1600 kg/m
2c) m = 220 kg V = 0.02m³
220÷0.02=11000 kg/m
A wooden post has a volume of 0.025m³ and a mass of 20kg. Calculate its density in kg/m.
density = volume ÷ mass
20÷ 0.025=800 kg/m
Challenge: A rectangular concrete slab is 0.80m long, 0.60 m wide and 0.04m thick. Calculate its volume in m³.
Formula : Length x width x height = Volume
0.80 x 0.60 x 0.04 = 0.0192m³
B) The mass of the concrete slab is 180 kg. Calculate its density in kg/m.
density = volume ÷ mass
180 ÷ 0.0192 = 9375 kg/m
How many significant figures does 1740200 have?
When Maria rubbed her solid graphite pencil against paper, it easily left a clear streak on the paper. Which model could represent graphite?
Answer:
B
Explanation:
:p
Option B is the correct answer.
Graphite has a layered structure, every layered structure has rings which consists of six carbon atom.
What is Graphite and what are its characteristics?Graphite can be also known as black lead. As it can be structured with hexagonal shape it was also made as octahedral and tetrahedral which is known to be as diamond. Graphite is formed by carbonaceous compound, which can be solidified as magmatic carbon. Graphite can be taken from several ancient rocks, marbles, quartzite, under the soil, etc.. The graphite can be found easily by seeing the honeycomb shape, hexagonal structure, a molecule with six carbon atoms. These were also used in pencil leads, batteries, nuclear reactors, polishes, etc..
So, when Maria rubbed her solid graphite pencil against paper, it easily left a clear streak on the paper because of the atom presence and it hexagonal honeycomb structure.
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What do the arrows in this photograph represent?
A. Gravity and air resistance
B. An action-reaction force pair
C. A pair of unbalanced forces at work
D. Friction and air resistance
Answer: B An action-reaction force pair
Explanation: Took the exam
The arrows in this photograph represent: An action-reaction force pair. Hence, option (B) is correct.
What is action-reaction force pair?When two bodies interact, they exert an equal and opposite force on one another in accordance with Newton's third law of motion. Action-reaction forces are made up of these forces.
"When one body exerts a force on the other body, the first body experiences a force that is equal in magnitude in the opposite direction of the force which is exerted," according to Newton's third law of motion.
According to the above assertion, there are always two forces operating on the objects involved in an interaction. The forces are of identical magnitude, but the direction of the force acting on the first object is different from the direction acting on the second.
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If the radius of Earth were one half what it is now, and the mass were the same, what would be the value of g?
Answer:
4 times what it is now.
Explanation:
g=G(M/r^2)
G is constant, so ignore.
We have (1M/0.5r^2), or 4.
Answer:
4g
Explanation:
the equation of g (field gravity)
g = G M/R²
because G (Contant of Gravitasion) and M (Mass of earth) same, them
g2/g1 = R1²/R2²
g1 = g now
g2 = g which the value we looking for
g2/g = 1/(1/2)²
g2/g = 1/(1/4)
g2/g = 4
g2 = 4g
what is a possible explanation for a set of facts that can be tested by further investigation called?
1. Questions
2. Hypothesis
3. Experiment
4. Summary
Answer:
Hypothesis.
Explanation:
Not a question, not a summary, and not an experiment.
Dr. Lopez is Thomas's doctor. During his appointment, Thomas says he thinks
he has insomnia and wants to be on a specific drug. What should Dr. Lopez
do?
O A. Conduct an exam. Thomas might have a drug dependence.
O B. Dr. Lopez can't do anything at all. Thomas needs to talk to a
pharmacist about this.
O C. Trust Thomas and prescribe him the medication.
O D. Suggest Thomas use a different drug.
A. Conduct an exam. Thomas might have a drug dependence.
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How fast is a 90kg man running if his kinetic energy is 720 J?
Explain What is electrical energy and why do we need this energy
Answer:
WHAT IS ELECTRICAL ENERGY?Electrical energy is the most convenient form of energy for most human uses. Electrical energy is easy use and move from one location to another, but it is almost impossible to store in any large quantity. It can be used for running computers and most appliances, home heating, and even transportation.ELECTRICITY is used by industry, households, and businesses—accounting for 18% of end use energy worldwide.Electrical energy is very convenient, and as a result more and more of the energy used by a high energy society is in the form of electricity, see figure 1. The rate of electrical energy use is growing faster than the rate of electricity use, see figure 2.WHY DO WE NEED ELECTRICAL ENERGY?Electrical energy is used throughout the world to power devices, appliances and methods of transportation utilized in daily life. To make things operate, electrical energy must be emitted from energy sources such as power plants, to enable an object to consume the power it needs to function.A student observes a shadow move across the sun during a solar eclipse. Which list represents the position of Earth, the sun, and the
moon during this event?
A.sun, Earth, moon
B.moon, sun, Earth
C.Earth, sun, moon
D.sun, moon, Earth
The position of the Earth, Sun, and moon during the solar eclipse, a student observes a shadow moving across the sun is Sun, moon, Earth, so option D is correct.
What is a solar eclipse?When the Moon passes in front of the Sun, blocking all or part of Earth's view of it, a solar eclipse occurs. The Moon is closest to the plane of the Earth's orbit when there is a new moon and such an alignment. During a total eclipse, the Moon fully obscures the Sun's disk. Partial and annular eclipses only block out a section of the Sun. A solar eclipse occurs naturally. Solar eclipses were sometimes linked to supernatural sources or interpreted as an ill omen in several ancient and modern societies.
During a solar eclipse, the moon comes in between the earth and the sun therefore the shadow moves across the sun during a solar eclipse observed by the student, the position is Sun, moon, and earth.
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A body accelerates uniformly from rest at 2ms² for 5 seconds . calculate its average velocity in this time.
Answer:
0.4
Explanation:
average velocity =d/t
2/5=0.4
0.4m