Answer:
No
Explanation:
NO
Answer:
ok i don't think you could but if you were cut in half you could soo I say yes you could
Explanation:
particles in a gas ____ and move___at high speeds
Answer:
gas vibrates and moves freely at high speeds.
Explanation:
Hope this helps
a 900 N crate slides 12m down a ramp that makes an angle of 35 degrees with the horizontal. If the crate slides at a constant speed, how much thermal energy is created
The thermal energy created when the crate slides at the given distance is 6,192.8 J.
The given parameters;
weight of the crate, W = 900 Ndistance traveled by the crate, d = 12 mangle of inclination, θ = 35⁰The thermal energy created is the energy lost due to friction and it is calculated as follows;
[tex]W = \mu F_n d[/tex]
where;
[tex]\mu[/tex] is the coefficient of friction
The coefficient of friction is calculated as;
[tex]\mu = tan(\theta)\\\\\mu = tan(35)\\\\\mu = 0.7[/tex]
The work done against friction is calculated as;
[tex]W = \mu F_n d\\\\W = \mu (Wcos\theta ) d\\\\W = 0.7 \times 900 \times cos(35) \times 12\\\\W = 6,192.8 \ J[/tex]
Thus, the thermal energy created when the crate slides at the given distance is 6,192.8 J.
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Which would be a good career for a someone interested in exercise physiology?
A.
cardiac surgeon
B.
physical therapist
C.
massage therapist
D.
nurse practitioner
Answer: I believe it’s physical therapist
Explanation:
Good career for a someone interested in exercise physiology is physical therapist.
What is physical therapist?Physical therapists assist persons who are ill or injured with better movement and pain management. They frequently play a significant role in the prevention, rehabilitation, and treatment of individuals with long-term illnesses, injuries, or disorders.
Physical therapists evaluate each patient before creating a therapy plan to enhance their mobility, lessen or manage pain, and regain function.
The physiology of physical exercise is known as exercise physiology. It is one of the allied health fields that incorporates research on both acute and long-term adaptations to exercise.To identify the greatest feasible exercise and fitness routine, exercise physiologists examine a patient's medical history.
Good career for a someone interested in exercise physiology is physical therapist.
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How does a planet's gravity shape the life living there? How do you think it might change the weather or climate ?
It is gravity that causes planets to orbit around each othe—for example, Earth orbits around the Sun. During the daytime of its orbit, the Sun provides sunlight that produces vegetation for creatures to eat and light for us to see. However, it can cause a thunderstorm and when it comes, it can set trees on fire releasing carbon dioxide into the atmosphere and producing global warming, melting glaciers.
Why are all of the horizontal velocity arrows the same size
Answer:
The horizontal velocity of a projectile is constant, There is a vertical acceleration caused by gravity; its value is 9.8 m/s/s, down, The vertical velocity of a projectile changes by 9.8 m/s each second, The horizontal motion of a projectile is independent of its vertical motion.
Explanation:
PLEASE TELL ME IF I'M CORRECT!! I'LL GIVE BRAINLIEST!!!
Answer:
You are absolutely correct
Put these four parts of the electromagnetic spectrum in order from shortest to longest wavelength:
gamma, infrared, microwave, ultraviolet.
Answer:
gamma, ultraviolet. infrared, microwave
gamma, ultraviolet. infrared, microwave are the electromagnetic spectrum.
What is Electromagnetic spectrum?The range of all EM radiation types is known as the electromagnetic (EM) spectrum.
The visible light from a bulb in your home and radio waves from a radio station are two examples of electromagnetic radiation. Radiation is energy that moves and disperses as it does.
The range of electromagnetic radiation's frequencies, along with their corresponding wavelengths and photon energies, is known as the electromagnetic spectrum.
Microwaves, infrared light, ultraviolet light, X-rays, and gamma rays are the other EM radiation types that make up the electromagnetic spectrum.
Therefore, gamma, ultraviolet. infrared, microwave are the electromagnetic spectrum.
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2. A girl pushes her little brother on his sled with a force of 300 N for 750 m.
Please find attached photograph for your answer.
Hope it helps.
Do comment if you have any query.
Placing a soccer ball on the top shelf increases the...
Kinetic energy
Chemical energy
Gravitational potential energy
Elastic potential energy
Answer:
Gravitational potential energy
Explanation:
PE = m*g*h
m = mass
g = 9.81m/s², acceleration of gravity
h = height
So m and g stay the same but the height can change so the higher you go the higher the Gravitational potential energy.
Placing a soccer ball on the top shelf increases the Gravitational potential energy
what is Gravitational potential energy ?In a gravitational field the energy possessed by an object due to a change in its position called as gravitational potential energy, it is an energy that is related to gravitational force or to gravity.
When a mass of the body (m) is moved from infinity to a point inside the gravitational influence of a source mass (M) in absence of acceleration and the amount of work done in displacing it into the source field is stored in the form of potential energy denoted with the symbol Ug.
when external force is applied, then the position of the body changes potential energy is equal to the amount of work done on the body by the forces.
The gravitational influence on a body at infinity is zero, then the potential energy is zero, PE = m*g*h where m = mass, g = 9.81m/s², acceleration of gravity, h = height
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A student is making a model of the layers of the lithosphere. Which two model
materials would compare the relative densities of oceanic crust versus continental
crust?
A.
continental crust: steel; oceanic crust: wood
B,
continental crust: glass; oceanic crust: Styrofoarn
C.
continental crust: steel; oceanic crust: glass
D.
continental crust: Styrofoam; oceanic crust: wood
Materials that could be used to model the oceanic crust versus continent
What is the lithosphere?The lithosphere is the solid part of the earth's crust. It consists of both the soil and the rocks that are found on the earth's crust. Hence it portrays the idea of solmething that is strong.
In that sense good materials that could be used to model the oceanic crust versus continental crust are; continental crust: glass; oceanic crust: Styrofoam
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I NEED ANSWERS ASAP!!!!
Newton's 2nd law of motion is the formula for ___________?
Gravity
Velocity
Speed
Force
Answer: Force (F=m*a)
Explanation:
Answer:
Newton's 2nd law of motion is the formula for force.
Explanation:
The formula is f = m × a
Force = mass × acceleration
Assume the elevator has upward acceleration a, and consider the stack that has two boxes of mass M. What is the magnitude of the force exerted on the top box by the bottom box
Answer:
Explanation:
M(a+g)
The force acting on the top box by the bottom box both having a mass of m stacked in an elevator moving upward with an acceleration of a is,
m(a +g).
What is force?Force is an external factor acting on a body to change it from the state of motion or rest. There are different types of forces such as gravitational force, nuclear force, tension force etc.
Newton's second law states that the force acting on a moving body is the product of its mass and acceleration. If the body of mass m is moving upward with an acceleration a, the force F will be equal to ma.
If the body moves downwards, then the net acceleration is the gravity g that is 9.8 m/s².
Here, both the boxes are moving upward and experience an acceleration a. The force exerted by the box at the bottom is with the acceleration g.
Thus ,the net force experienced by the box at the top by the box at the bottom is equal to F= m (a + g) .
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4. A carousel has a radius of 4 meters & turns at a rate of 1 revolution every 10 seconds. Allen is riding a horse on the edge of the carousel. Beth is riding a horse 2 meters from the center of the carousel.
a) What is Allen’s angular speed in rad/s?
b) What is Beth’s angular speed in rad/s?
c) What is Allen’s linear speed in m/s?
d) What is Beth’s linear speed in m/s?
plz answer on each a,b,c,d Questions
thanks
(a) The angular speed of Allen is 0.628 rad/s.
(b) The angular speed of Beth is 0.628 rad/s.
(c) The linear speed of Allen is 2.512 m/s.
(d) The linear speed of Beth is 1.256 m/s.
The given parameters;
radius of the carousel, r = 4 mspeed, ω = 1 rev per 10 secondsposition of Allen from the center of the carousel, r = 4 mposition of Beth from the center of the carousel, r = 2 mThe angular speed of Allen is calculated as follows;
[tex]\omega = \frac{1 \ rev}{10 \ s} \times \frac{2\pi \ rad}{1 \ rev} \\\\\omega = 0.628 \ rad/s[/tex]
The angular speed of Beth is calculated as follows;
[tex]\omega = \frac{1 \ rev}{10 \ s} \times \frac{2\pi \ rad}{1 \ rev} \\\\\omega = 0.628 \ rad/s[/tex]
Allen and Beth make the same number of revolutions every 10 seconds, hence their angular speed is the same.
The linear speed of Allen is calculated as follows;
[tex]v = \omega r\\\\v = 0.628 \ rad/s \times 4 \ m\\\\v = 2.512 \ m/s[/tex]
The linear speed of Beth is calculated as follows;
[tex]v = \omega r\\\\v = 0.628 \ rad/s \times 2 \ m\\\\v = 1.256 \ m/s[/tex]
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Directions: Using the T-chart below, compare balanced forces and unbalanced forces.
Balanced Forces
Unbalanced Forces
(can i please get three examples for each)
Explanation:
unbalanced: a turning vehicle, apple falling on the ground, kicking a ball
balanced: floating on water, fruit hanging from tree, tug of war equally balanced teams
What will eventually happen to material on a steep slope if it is internally weak and poorly attached to the hillsi
Answer:
a rock slide sometimes a mud slide if waters involved
energy of a photon is ______ proportional to frequency, and _______ proportional to wavelength.
Answer:
1. directly
2. inversely
Explanation:
The relationship between the energy of a photon and its frequency is dictated by another simple equation:
E = hv = hc/λ
where E is the energy in kiloJoules per mole, h is Planck's constant with a value of 6.626 x 10-34 Joule-seconds per particle, λ is the wavelength of light λ in meters, and c is the speed of light with a constant value of 300 million meters per second. From this equation, it is clear that the energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength. Thus as frequency increases (with a corresponding decrease in wavelength), the photon energy increases and vice versa.
Energy of a photon is directly proportional to frequency, and inversely proportional to wavelength.
What is energy?
Energy is the ability or capability to do tasks, such as the ability to move an item (of a certain mass) by exerting force. Energy can exist in many different forms, including electrical, mechanical, chemical, thermal, or nuclear, and it can change its form
The relationship between the energy of a photon and its frequency is
E = hv = hc/λ
where E is the energy in kiloJoules per mole,
h is Planck's constant with a value of 6.626 x 10-34 Joule-seconds per particle,
λ is the wavelength of light λ in meters,
c is the speed of light with a constant value of 300 million meters per second.
From this equation, it is clear that the energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength.
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1. Calculate Find the weight of a 50-kg person on Earth. Remember, g = 9.8 m/
Answer:
On Earth,
g
=
9.8
m/s
2
. So, the object's weight on Earth will be:
W
=
50
kg
⋅
9.8
m/s
2
=
490
N
Explanation:
Brenda wants to move a 30.0 kg table, She applies a force of 420 N. Under these conditions, the table EIN initially moves with an acceleration of 1.80
The friction force acting on the table is equal to 366 Newton.
Given the following data:
Mass of table = 30.0 kgForce = 420 NewtonAcceleration = 1.80 [tex]m/s^2[/tex]To calculate the friction force acting on the table:
The force of friction acting on the table is given by this mathematical expression:
[tex]Force - Force \;of\; friction = Net \;force[/tex]
Substituting the given parameters into the formula, we have;
[tex]420 - F = 1.8 \times 30\\\\420 - F = 54\\\\F = 420-54[/tex]
Force of friction, F = 366 Newton
Complete Question:
Brenda wants to move a 30.0 kg table, She applies a force of 420 N. Under these conditions, the table initially moves with an acceleration of 1.80 [tex]m/s^2[/tex]. Calculate the friction force on the table
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PLEASE ANSWER NEED HELP!!!!!!!! PLEASE THE CORRECT ANSWER!!!!!!
Jinan has high cholesterol and wants to do what he can to improve it through his diet. What would be the BEST thing for him to increase in his diet to address this issue?
A.
sugars
B.
protein
C.
carbohydrates
D.
unsaturated fat
PLEASE NO LINKS
Answer:
carbohydrates
Explanation:
what phase of the moon must it be to have a lunar eclipse?
Answer:
the phase is a full moon
Explanation:
A lunar eclipse can only happen when the sun, Earth and moon are perfectly line up.
An electrical spark, such as lightning, generates electromagnetic radiation over a wide range of wavelengths. How much longer will a pulse of radio energy take to travel between two detector stations 100 m apart than a pulse of ultraviolet radiation from the same spark
Answer:
The time is identical, since both pulses travel at the speed of light.
Explanation:
PLEASE PLEASE PLEASE HELP ME WITH THIS QUESTION!!!!!
that's the answer, I think it's helpful
Determine the magnitude of the tension in the bicep if the barbell force is 450 N.
The tension in the bicep for the given weight of barbell been supported by the hand is 450 N.
According to Newton's third law of motion, action and reaction are equal and opposite.
When the barbell is held, its weight acts downwards while the force exerted by the bicep pulls the barbell upwards.
A sketch of the force diagram is presented below;
↑ Tension in the bicep
↑
⊕
↓
↓ force of the barbell
Tension in the bicep = force of the barbell
Tension in the bicep = 450 N
Thus, the tension in the bicep for the given weight of barbell been supported by the hand is 450 N.
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NEED HELP!!! ANSWER THESE 5 QUESTIONS FOR 25 POINTS!!!! PLEASE ANSWER!! I WILL GIVE YOU BRAINEST
1. If you “feel the burn” while exercising, what is actually going on in your body?
A.
The lungs have an excess of oxygen.
B.
You have overextended and damaged the muscle.
C.
Your heart has stopped beating for a split second.
D.
Lactic acid is taking the place of oxygen in the muscle.
2. Why does strenuous activity make the heart beat faster?
A.
A high heart rate is a sign of fitness.
B.
Exercise is the only thing that raises a heart rate.
C.
The body requires more oxygen when exercising.
D.
Any time the body is moving, the heart rate is high.
3. When lifting something heavy, which is the MOST important factor in doing it safely?
A.
the weight of the object
B.
the type of object it is
C.
your form when you are lifting
D.
your previous experience lifting boxes
4. Sasha does not have access to a gym or fitness equipment. Is it possible for him to develop a good fitness routine with what he has at home?
A.
No, he will have to spend a little money on fitness equipment to be healthy.
B.
No, if he is not willing to buy equipment, he is not really serious about fitness.
C.
Yes, but he will likely get bored with it much faster than he would gym routines.
D.
Yes, there are cardio and strength training exercises he can do without equipment.
5. Aerobic exercise is good for many of the main systems of the body. Which of the following does it NOT help with?
A.
flexibility
B.
heart health
C.
lung capacity
D.
large muscle groups
PLEASE NO LINKS
Answer:
1. If you “feel the burn” while exercising, what is actually going on in your body?
= D. Lactic acid is taking the place of oxygen in the muscle.
2. Why does strenuous activity make the heart beat faster?
= C. The body requires more oxygen when exercising.
3. When lifting something heavy, which is the MOST important factor in doing it safely?
= C. your form when you are lifting.
4. Sasha does not have access to a gym or fitness equipment. Is it possible for him to develop a good fitness routine with what he has at home?
= D. Yes, there are cardio and strength training exercises he can do without equipment.
5. Aerobic exercise is good for many of the main systems of the body. Which of the following does it NOT help with?
= A. flexibility
Which family has the lowest electronegativity?
a) the noble gases
b) the alkali metals
c) the alkaline earth metals
d) the halogens
Answer:
b) the alkali metals
plus information:
F has the highest electronegarivity
Fr has the lowest electronegarivity
A circuit is constructed with a 20.0-V power supply and two resistors in series: R1 = 4.00 ohms, and R2 = 2.00 ohms. What is the resulting current in the circuit?
A) 3.33 A
B) 27.0 A
C) 15.0 A
D) 120.0 A
Answer:
3.33A
Explanation:
total resistors in series circuit (4.0+2.0) = 6.0
following ohms law. V = IR, then I = V/R; but the supply voltage given equals =20,
therefore, 20/6 = 3.33A,
Draw the Bohr model for Li
Answer:
number of protons = 3
number of neutrons = 4
Explanation:
so now we know that the number of protons are 3 ( electron number is also three )
so in the middle draw four neutrons and three protons then draw two shells with two in the first shell and one in the outermost shell
List down at least 3 significance of occurrence of earthquakes
I sent it to your messenger
Imagine that someone is injured, and their somatic nervous system is impacted. Would this be a life-threatening injury?
A.
Yes, that covers essential internal injuries.
B.
No, that is a minor part of how the body functions.
C.
Probably not since that system deals mostly with mobility.
D.
It is highly likely because that controls the brain and the spine.
Answer:
C. Probably not since that system deals mostly with mobility.
Explanation:
What does Boyle's law state about pressure and volume at a constant temperature and a constant pressure
Answer: Boyle's law states that when the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.
Explanation:
Answer: Provided temperature remains constant, the volume and pressure of a gas are inversely related.
Explanation: Robert Boyle discovered that as long as the temperature of a gas remains constant, the relationship between the volume and the pressure of the gas is inverse. Basically, as the volume of a gas increases, its pressure decreases. As the pressure of the gas increases, its volume decreases.
