What is the mass of a skier if they are applying a force of 500N and they are accelerating at 20m/s2?
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We know that,
[tex]force = mass \times acceleration[/tex][tex]500 = m \times 20[/tex][tex]m = \dfrac{500}{20} [/tex][tex]m = 25[/tex]Mass of skier is 25 kg
in figure Car’s weight = 16,000 N. What is the external input force?
The answer is 200 Newton
Answer:
The answer is 200 Newtok
A possible answer to a scientific problem is called a
Answer:
A hypothesis is a possible explanation for a set of observations or an answer to a scientific question. A hypothesis must be testable and measurable.
Explanation:
Answer:
hypothesis is likely tobe the answer, im indian
Which 2 points are unbalanced??
Answer: section 2 and 4
Explanation:
I had this problem before and that was the answer.
Describe all the ways that Newton’s Laws can apply in the game of football?
Answer:
Newton's Second Law of Motion states that a force on an object is equal to the mass of the object multiplied by its acceleration (F=ma). ... When the punter kicks the ball, his foot exerts a force on the ball. The football then exerts an equal amount of force in the opposite direction on the kicker's foot.
In football, the foot of a kicker applies force to the ball when he kicks it, as the force acting on a ball is equal to that ball's mass times its acceleration, so Newton's second law is applied here.
What is Newton's Second Law?The precise explanation of how a force can change a body's motion is given by Newton's second law. A body's momentum is said to vary at a rate equal to the force acting on it over time, both in magnitude and direction. A body's momentum is determined by its mass and velocity together.
According to Newton's Second Law of Motion, a force acting on an object is equal to that object's mass times its acceleration (F=ma). The punter's foot applies force to the ball when he kicks it. The kicker's foot is then subjected to an equivalent force from the football acting in the opposite direction.
Therefore, In football, the foot applies force to the ball when he kicks it, so Newton's second law is applied here.
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A cup of tea with a temp. of 80°C is put on a table in a 20°C room. What happens to thermal energy and molecular motion of the tea when it is left on the table? *
Answer:
The thermal energy increases and the molecules move faster.
Encontrar la distancia y desplazamiento de las dos trayectorias si se mueve el móvil Desde A hasta B
Answer:
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Explanation:
What is it about a black hole that makes it powerful?
Answer:
A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes.Explanation:
Hope this helps :)
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Calculate the pressure increase at the bottom of a pool of depth 2m. Density of water=1000kg/m^3 g=10N/kg
Quinn accelerates her skateboard along a straight path from 0 m/s to 4.0 m/s
in 2.5 seconds. Calculate the acceleration of the skateboard
[tex]\\ \sf\longmapsto Acceleration=\dfrac{v-u}{t}[/tex]
[tex]\\ \sf\longmapsto Acceleration=\dfrac{4-0}{2.5}[/tex]
[tex]\\ \sf\longmapsto Acceleration=\dfrac{4}{2.5}[/tex]
[tex]\\ \sf\longmapsto Acceleration=1.6m/s^2[/tex]
A box is being pushed at constant speed up an inclined
Answer:
ok what is the question
Explanation:
I don't know what the question is
Sound wave is an example of ……………………………………. wave.
1.Energy
2.Medium
3.Transverse
4.Longitudinal
Answer:
4
Explanation:
longitudinal
have a beautiful day ahead
Strong swimmers do NOT need to restrict themselves to swimming in areas patrolled by lifeguards.
Answer:
I believe you are asking a true or false question, which in that case means the answer is false.
Explanation:
You should always swim in areas patrolled by lifeguards. Even if you're a strong swimmer you can have accidents in the ocean. Lifeguards are there to take care of you in case of an emergency.
Answer: False
Explanation: Edg 2021
how many orbitals are in the 5th principal energy level
Answer:
25
Explanation:
(1 + 3 + 5 + 7 + 9) orbitals = 25 orbitals
A student walks a distance of 3 km in 20 minutes calculate his average speed
Answer:
His average speed is 0.15 kilometer per minute or 2.5 meters per second.
Explanation:
average speed = distance/time
x = 3 km/20 minutes
x = 0.15
—
x = 3000 m/1200 s
x = 2.5
If a student walks a distance of 3 km in 20 minutes then the average speed of the student would be 9 kilometers per hour.
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.
As given in the problem we have to calculate the average speed of the student if a student walks a distance of 3 km in 20 minutes.
The distance traveled in 20 min = 3 kilometers
The distance traveled in 60 min = 3 × 3
= 9 kilometers
Thus, If a student walks a distance of 3 km in 20 minutes then the average speed of the student would be 9 kilometers per hour.
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Select all that apply.
The spectrum of Star S is compared to a reference hydrogen spectrum. What can be concluded about Star S?
Star S is moving away from Earth.
Star S is moving toward Earth.
Star S has transverse motion.
Star S has radial motion.
Answer:
Star S has radial motion
Explanation:
Because the radial motion stracture is kinda similar to hydrogen spectrum(I'm guessing,only lol)
The spectrum of Star S is compared to a reference hydrogen spectrum. It is concluded that Star S has transverse motion.
What is hydrogen spectrum?Hydrogen spectrum is used to show the quantized electronic structure of an atom.
If Star S is not showing radial motion. So, it is not moving away or towards the Earth.
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What is the physical dimension for moment
What is equilibrium?
Answer: Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable. The balancing effect of supply and demand results in a state of equilibrium.
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Please help I'll mark brainliest NO LINKS
Answer:
A, B, C is the answer
Explanation:
A is cut off from all the other light, as well as B so it cant be either, that leaves us with B C and D, Since the 3rd answer is ABC that means your can put a light switch in all 3 of the location so at B and A there will be a light switch and at C there will be a light switch to activate D.
Pls answer it ASAP I need it today
Activity 6: Write the uses of each cleaning compound.
1. Detergent-
2. Solvent cleaners-
3. Avid cleaners-
4. Abrasives-
How much work is done by a man if he moves a distance of 15m by applying the force of 20N? Find his power if he does the work in 2 seconds. (answer - 300 joule,150w)
Work= Distance × Force
15 metre × 20 N
300 Joule
Now ,
Power,
2 seconds = 300/2
150 watt
We know that
Unit of Work is Joule
Unit of Power is watt
So,
Work - 300 joule
Power= 150 watt
to
How does the connection between electricity and magnetism allow you to make
a motor out of a coil and a magnet? How do induced currents allow you
make a generator out of a coil and a magnet?
Like surface water and groundwater, glaciers shape the land through erosion and deposition. Fill in the blanks to complete each statement about glaciers.
Glaciers cause erosion by abrasion and
.
The sediment deposited by glaciers is called
.
When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a
.
PLEASE HELP
Answer :Glaciers cause erosion by abrasion and
plucking
. The sediment deposited by glaciers is called till.
When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a kettle lake.
Explanation:
I took the test
A) Glacier causes erosion by abrasion and plucking.
B) The sediment deposited by glaciers is called a moraine.
C) When a chunk of ice remained behind by a receding glacier melts, the water stays in the kettle, forming a kettle lake.
What are abrasion, plucking, and moraine?Abrasion contains the wear, polishing, and scratching produced in the bedrock by the thicker rock fragments brought by the ice, and in that way, grooves are formed.
Plucking generally takes place when advancing ice will push against fractured bedrock. Additional breaks can produce stress, while warmer temperatures and friction from glacier movement can bring the melting.
Moraine is the deposit of trawls of material fragmented by glaciers, which create mountain ranges because of their accumulation.
Glaciers are contacted by ice deposits due to continental glaciation. These forms develop with the glacier outwash and leave ice deposits. It generates a kettle lake when a large chunk of ice left a depression in the glacial drift when the ice melts a kettle-like hole is formed.
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which type of wave has rarefactions and compressions
in longitudinal waves in a spring, the parts where the coils are close together are called
Answer:
compression
Explanation:
compression
Answer this question i will mark you brainliest
Answer:
all of the above OR LETTER B
Explanation:
THAT'S WHAT I KNOW:))
Answer:
la c)
Explanation:
Explain the Kinetic Theory of Matter
and use an example from everyday life
Answer:
The Kinetic Theory of Matter or KTM as i will call it, states that every object is made of many many small particles (humans are made of sextillions of atoms), and that they are constantly moving and bumping each other. The degree to which the particles move is determined by the amount of energy they have and their relationship to other particles.
An example would be Brownian Motion- the random movement of dust particles because of collisions with "air" molecules and how gases behave i.e. Boyle's, Charles', and Gay-Lussac's Laws.
The air is 80% Nitrogen, in what form do organisms use nitrogen?
Answer:
Nitrogen in the air
Explanation:
The Earth's atmosphere contains almost 80 % nitrogen gas. It cannot be used in this form by most living organisms until it has been fixed, that is reduced (combined with hydrogen), to ammonia.
fraction that occurs in gases and liquids is called what
plzz help meeeee
Answer:
it is called fluid friction.
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Explanation:
q= n e
6 × 10^-11 = n (1.6 × 10^-19)
n = 6×10^-11 / 1.6 × 10^-19
n= 3.75 × 10⁸ electrons