Answer: Fair play, which is an essential and central part of successful involvement, promotion and development in both sport and life, can teach people tolerance and respect for others.
Explanation:
It allows them to integrate into society and create a sense of teamwork.
1 Explain the work being done at the New Mexico Institute of Mining and Technology and why it is significant.
The New Mexico Institute of Mining and Technology is significant because it proffer solutions to future challenges and problems.
What is the New Mexico Institute of Mining and Technology?The New Mexico Institute of Mining and Technology is also known as New Mexico Tech and it refers to a public university that is located in Socorro, New Mexico.
Basically, the New Mexico Institute of Mining and Technology is a public university which is devoted to excellence in education, innovation and research, so as to advance engineering, science, and technology.
In conclusion, the New Mexico Institute of Mining and Technology is significant because it proffer solutions to future challenges and problems.
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At a particular instant, a football has a velocity of 25 m s–1 and its direction makes an
angle of 30° above the horizontal. Determine the vertical and horizontal components
of its velocity
This question involves the concepts of the resolution of vector and rectangular components.
The vertical and horizontal components of velocity are "21.65 m/s" and "12.5 m/s", respectively.
What are rectangular components?The resolution of a vector into its rectangular components gives two components of the vector in the horizontal and the vertical directions. These components can be mathematically found as follows:
[tex]v_x=v\ Cos\ \theta[/tex]
where,
[tex]v_x[/tex] = horizontal component = ?v = velocity = 25 m/sθ = angle = 30°Therefore,
[tex]v_x = (25\ m/s)Cos (30^o)\\v_x = 21.65\ m/s[/tex]
For vertical component:
[tex]v_y=v\ Sin\ \theta[/tex]
where,
[tex]v_y[/tex] = vertical component = ?v = velocity = 25 m/sθ = angle = 30°Therefore,
[tex]v_y = (25\ m/s)Sin (30^o)\\v_y = 12.5\ m/s[/tex]
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An elevator lifts a total mass of 1.1×103 kg a distance of 40.0 m in 12.5 s. How much power does the elevator deliver?
The power delivered by the elevator is 34496 W.
What is power?Power is the rate at which energy is used up.
To calculate the power delivered by the elevator, we use the formula below.
Formula:
P = mgh/t.............. Equation 1Where:
P = Power delivered by the elevatorm = Total mass on the elevatorg = acceleration due to gravity h = HeightFrom the question,
Given:
m = 1.1×10³ kgh = 40 mt = 12.5 sg = 9.8 m/s²Substitute these values into equation 1
P = 1.1×10³×40×9.8/12.5P = 34496 W.Hence, the power delivered by the elevator is 34496 W.
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When an object has more negative charge than positive charge, the object is called
When an object has more negative charge than a positive charge, the object is called a negatively charged object or anion.
What is a negatively charged object?A negatively charged object has more electrons than protons. This is because electrons are negatively charged subatomic particles in an atom. A neutral object has the same number of protons as electrons. Electrons or negative charges can flow freely from object to object.
When an object has a positive charge, it has more protons than electrons. Therefore, when an object has a negative charge, then that object contains more electrons than protons. Electrical effects are caused by the charge imbalance between a negatively charged object and a positively charged object.
Therefore, when an object has more negative charge than a positive charge, the object is called a negatively charged object or anion.
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What is the frequency of this wave?
1
2
3
4
Answer:
I believe your looking at either 1 or 2
Explanation:
What is the resultant of the vectors shown?
Answer:
Option B
Explanation:
Option A is the wrong answer because the horizontal vector is in the opposite direction.
Option C is the wrong answer as the horizontal vector is in the opposite direction and all the vectors are connected head to tail [of the arrows] [Triangle law of vector addition]
Option D is the wrong answer as the horizontal vector is in the opposite direction.
The figure above shows a rod that is fixed to a horizontal surface at pivot P The rod is initially rotating
without friction in the counterclockwise direction. At time t, three forces of equal magnitude are applied
to the rod as shown. Which of the following is true about the angular speed and direction of rotation of
the rod immediately after time t?
The angular speed is decreasing and direction of rotation clockwise of the rod immediately after time t.
What is angular speed ?The rate of change of angular displacement is defined as angular speed. It is stated as follows:
ω = θ t
Where,
θ is the angle of rotation,
t is the time
ω is the angular velocity
The torque is found as;l
[tex]\rm T = F \times r[/tex]
If the force is acting on the rod from the three point is the same, the value of the torque is depends upon the radius or the perpendicular distance.
The perpendicular distance of the right force is grater. Hence, the force acting on the right side is more, and the rod will rotate clockwise.
Both the forces are acting downwards. Thus, the resultant force is the less due to which the speed is increasing.
Hence, the angular speed is decreasing and direction of rotation clockwise of the rod immediately after time t.
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is the fastest launch coaster in the world, launching its 3864 kg trains to 240 km/h (149 mph) in 4 seconds. This means its rate of acceleration is 16.67 m/s/s. How much force was required to do this?
Answer:
64 412 .88 N
Explanation:
F = ma
= 3864 kg * 16.67 m/s^2 = 64412.88 N
A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 35.80°. The indices of refraction for the blue and red components of the ray are: blue (ndiamond = 2.444, ncrown glass = 1.531), and red (ndiamond = 2.410, ncrown glass = 1.520). Determine the angle between the refracted blue and red rays in the crown glass.
Answer:
N1 Sin θ1 = N2 Sin θ2 Snell's Law
For blue light
Sin θ2 = N1 / N2 sin 35.8 = 2.444 / 1.531 * .5850 = .9339
θ2 = 69.04 deg
For red light
Sin θ2 = 2.410 /1.520 * .5850 = .9275
θ2 = 68.05 deg
The separation is .01 deg
4. Solve 3x2 - 7x - 4 = 0 by completing the square. (10)
Answer:
（3x - 4）（x - 1）
Explanation:
Your question is wrong
Donald Trump has a mass of 108 kg, calculate his height when he is at the following heights (g=9.81 N/kg):
a) 20 J b) 1050 J c) 150 kJ
d) 120 J e) 2000 J f) 57 J
g) 1200 J h) 1 kJ i) 92 kJ
Answer:
(a)
Q=mgh
20=108×9.81×h
20=1059.48h
divide both side by 1059.48
h= 20/1059.48
h=0.02
(b)
1050= 108×9.81×h
1050= 1059.48h
h=1050/1059.48
divide both side by 1059.48
h=0.99
repeat the remaining following and check the answers
(c) h=0.14
(d) h=0.11
(e) h=1.89
(f) h= 0.05
(g) h=1.13
(h) h=0.94
(i) h= 86.84
note the (h) and (i) you need to change the kj to j by multiple by 1000
Microwaves and gamma rays
- none of these.
- have the same wavelength.
- have the same color.
- have the same speed.
- have the same frequency.
Answer:
Have the same speed.
Explanation:
All electromagnetic waves travel at the same speed, which is 300,000,000 m/s.
Two astronauts of mass 100 kg are 2 m apart in outer space. What is the
force of gravity between them? (G= 6.67 x 10-11 N·m2/kg?)
O A. 3.33 x 10-7N
O B. 1.67 x 10-7N
х
O C. 3.33 x 10°N
-
O D. 1.67 x 10°N
SUBMIT
Answer:
solution here
The correct anwer isB .
A car traveling at a constant speed of 30m/s passes traffic police on a motorcycle hidden behind a tree. Two seconds after the speeding car passes, the police set out to catch the car, accelerating at a constant rate of 6m/s2.
How far does the police travel until he catches the speeding car?
Give your answer in [m].
Answer:
411.37 meters
Explanation:
car position = 60 + 30 t
cop position = 1/2 a t^2 = 3 t^2 equate them
30t + 60 = 3t^2 re-arrange
3t^2 - 30t - 60 = 0 use quadratic formula to find t = 11.71 sec
1/2 (6)(11.71)^2 = 411.37 meters
Andy described the functions of two human body organs and labeled them A and B. Look at the table and select the answer that correctly identifies the organs. (2 points)
Table labeled A and B. A includes the text: Oval-shaped organs, located in body of a female, and produce eggs. B includes the text: Oval-shaped organs, located in the body of a male, and produce sperm
A are the ovaries and B are the testes
A are the testes and B are the ovaries
A are the Lungs and B are the testes
A are the ovaries and B are the kidneys
Answer:
A are the ovaries and B are the testes
If a snowboarder going over a jump has 45,000 Jof mechanical energy and you know the snowboarder has 30,000 J of kinetic energy, how much potential energy does the snowboarder have?
Answer:
15,000 J of potential energy
Explanation:
Mechanical energy of an object is the sum of its potential energy and kinetic energy.
45,000 = x + 30,000
45,000 - 30,000 = x
x = 15,000
Mark brainliest please!
ME=KE+PE
45000=30000+PE
PE=15000 J
Can anybody write a short poem about friction
Three metal fishing weights, each with a mass of 1.00x102 g and at a temperature of 100.0°C, are placed in 1.00x102 g of water at 35.0°C. The final temperature of the mixture is 45.0°C. What is the specific heat of the metal in the weights?
Answer:
Approximately [tex]0.253\; {\rm J \cdot g^{-1} \cdot K^{-1}}[/tex] assuming no heat exchange between the mixture and the surroundings.
Explanation:
Consider an object of specific heat capacity [tex]c[/tex] and mass [tex]m[/tex]. Increasing the temperature of this object by [tex]\Delta T[/tex] would require [tex]Q = c\, m \, \Delta T[/tex].
Look up the specific heat of water: [tex]c(\text{water}) = 4.182\; {\rm J \cdot g^{-1} \cdot K^{-1}}[/tex].
It is given that the mass of the water in this mixture is [tex]m(\text{water}) = 1.00 \times 10^{2}\; {\rm g}[/tex].
Temperature change of the water: [tex]\Delta T(\text{water}) = (45 - 35)\; {\rm K} = 10\; {\rm K}[/tex].
Thus, the water in this mixture would have absorbed :
[tex]\begin{aligned}Q &= c\, m\, \Delta T \\ &= 4.182\; {\rm J \cdot g^{-1}\cdot K^{-1}} \\ &\quad \times 1.00 \times 10^{2}\; {\rm g} \times 10\; {\rm K} \\ &= 4.182 \times 10^{3}\; {\rm J}\end{aligned}[/tex].
Thus, the energy that water absorbed was: [tex]Q(\text{water}) = 4.182 \times 10^{3}\; {\rm J}[/tex].
Assuming that there was no heat exchange between the mixture and its surroundings. The energy that the water in this mixture absorbed, [tex]Q(\text{water})[/tex], would be the opposite of the energy that the metal in this mixture released.
Thus: [tex]Q(\text{metal}) = -Q(\text{water}) = -4.182 \times 10^{3}\; {\rm J}[/tex] (negative because the metal in this mixture released energy rather than absorbing energy.)
Mass of the metal in this mixture: [tex]m(\text{metal}) = 3 \times 1.00 \times 10^{2}\; {\rm g} = 3.00 \times 10^{2}\; {\rm g}[/tex].
Temperature change of the metal in this mixture: [tex]\Delta T(\text{metal}) = (100 - 45)\; {\rm K} = 55\; {\rm K}[/tex].
Rearrange the equation [tex]Q = c\, m \, \Delta T[/tex] to obtain an expression for the specific heat capacity: [tex]c = Q / (m\, \Delta T)[/tex]. The (average) specific heat capacity of the metal pieces in this mixture would be:
[tex]\begin{aligned}c &= \frac{Q}{m\, \Delta T} \\ &= \frac{-4.182 \times 10^{3}\; {\rm J}}{3.00 \times 10^{2}\; {\rm g} \times (-55\; {\rm K})} \\ &\approx 0.253\; {\rm J \cdot g^{-1} \cdot K^{-1}}\end{aligned}[/tex].
A car of mass 800 kg is climbing an incline of 10° to the horizontal. If the car moves a distance of 50 m up the incline, determine the potential energy.
Answer:
h = distance up = 50 sin 10
m g h = 800 * 9.81 * 50 sin 10 Joules
Explanation:
What is the velocity between the times t=3 to t = 4?
Answer:
The answer is t=4 + t=3=t=7
Select the correct answer. What system prepares the body for the fight-or-flight response in stressful situations? A. somatic nervous system B. sympathetic nervous system C. parasympathetic nervous system D. central nervous system
Answer:
the sympathetic nervous system
Explanation:
It triggers the fight-or-flight response.
Explain why a lorry loaded with bags of maize packed high up is likely to topple when negotiating a corner.
Answer:
Due to its centre of mass being too high and because of that it is at a high risk of toppling at the corner
What is the radius of the 5th orbital in hydrogen?
Answer:the radius of fifth Bohr orbital of hydrogen is 1.3225x10^-9
Explanation:
Let's see
According to bohrs model
[tex]\\ \rm\Rrightarrow r\propto n^2/Z^2[/tex]
[tex]\\ \rm\Rrightarrow r= r_on^2/Z^2[/tex]
[tex]\\ \rm\Rrightarrow r=0.529\times \dfrac{5^2}{1^2}[/tex]
[tex]\\ \rm\Rrightarrow r=0.529(25)[/tex]
[tex]\\ \rm\Rrightarrow r=1.32nm[/tex]
How is the gravitational force acting on a falling object calculated
Taking into account the Newton's second law, the gravitational force acting on a falling object is calculated by multiplying mass and acceleration due to gravity (third option).
Newton's second lawIn first place, acceleration in a body occurs when a force acts on a body. There are two factors that influence the acceleration of an object: the net force acting on it and the mass of the body.
Newton's second law states that this force will change the speed of an object because the speed and / or direction will change. These changes in velocity are called acceleration.
So, Newton's second law defines the relationship between force and acceleration mathematically. This law says that the acceleration of an object is directly proportional to the sum of all the forces acting on it and inversely proportional to the mass of the object.
Mathematically, Newton's second law is expressed as:
F= m×a
where:
F = Force [N]m = Mass [kg]a = Acceleration [m/s²]Gravitational forceIn this case, the only force is gravity. Then, the gravitational force acting on a falling object is calculated by multiplying mass and acceleration due to gravity (third option).
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Light can travel through materials that you cannot see through, like wood or aluminum foil.
agree or disagree
Answer:
Agree
Explanation:
Regarding the aluminium foil, its actually a transparent material, allowing almost all light to pass through. Non-visible light, such as radio waves, x-rays, and gamma-energy photons, can most definitely can travel through wood too. So yeah agree.
Light can travel through transparent materials which we can see through. Materials like, wood, aluminums foil etc. are opaque to light and does not pass light through it. Hence, disagreeing to the statement.
What is transparency?A material is said to be transparent if light can pass through it. Thus light any of the phenomenon like transmission, absorption or reflection. A fraction of light transmitting through the material is absorbed by it.
Mirror, glass, water etc. are transparent and light can transmit through it. These materials can absorb light and reflect a portion. The amount of incident light that is absorbed by the material is dependent on its nature.
Objects that does not pass light through them are called opaque. They cant absorb or reflect light. Objects such as wood, aluminum foil, metals such as iron etc. are opaque. Thus, the given statement is false.
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Calculate the final velocity of m1=2kg with its velocity at 5m/s
The final velocity of the two objects after the collision is determined as 4 m/s.
Final velocity of the two objects after the collisionThe final velocity of the two objects after the collision is determined from the principle of conservation of linear momentum as shown below;
m₁u₁ + m₂u₂ = v(m₁ + m₂)
where;
m1 = 2 kgu1 = 5 m/sm2 = 0.5 kgu2 = 0v = ?2(5) + 0.5(0) = v(2 + 0.5)
10 = 2.5v
v = 10/2.5
v = 4 m/s
The complete question is below:
A body of mass 2kg moving with velocity of 5m/s collides with a stationary body of mas 500g. if the two bodies move together after impact. Calculate the magnitude of their common velocity.
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If a 0.08 kg cell phone falls off a table at 15 m/s, then what is its
kinetic energy right before it hits the ground?
J
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The kinetic energy of the cell phone before it hits the ground given the data is 9 J
Data obtained from the question Mass (m) = 0.08 Kg Velocity (v) = 15 m/sKinetic energy (KE) =?How to determine the kinetic energy
The kinetic energy of the cell phone can be obtained as follow
KE = ½mv²
KE = ½ × 0.08 × 15²
KE = 0.04 × 225
KE = 9 J
Thus, the kinetic energy of the cell phone is 9 J
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The kinetic energy right before it hits the ground is 0.6 J
Kinetic EnergyKinetic energy is the energy possessed by a body in motion. The S.I unit is Joule. Kinetic energy depends on:
The mass of the bodyThe velocity of the bodyGiven that a 0.08 kg cell phone falls off a table at 15 m/s, its
kinetic energy right before it hits the ground can be calculated by using the formula;
K.E = 1/2 x m x [tex]v^{2}[/tex]
The given parameters are:
mass m = 0.08 kg
velocity v = 15 m/s
Substitute the parameters into the formula
K.E = 1/2 x 0.08 x 15
K.E = 0.6 J
Therefore, its kinetic energy right before it hits the ground is 0.6 J
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Which of the following statements about postpartum depression is TRUE? Most cases of postpartum depression must be treated medically. Postpartum depression is very common. Postpartum depression is related to breastfeeding. Most women can work through severe postpartum depression on their own.
Answer:
Postpartum depression is very common
Explanation:
Common for ages 18-35
Postpartum depression: A mood disorder or depression that occurs in mothers after the birth of a baby. Usually this will be a short term disorder.
Postpartum depression is very common. The correct option is B.
Following childbirth, postpartum depression (PPD) is the most prevalent psychological disorder.
Postpartum depression (PPD) can affect one in seven women. The "baby blues" are a common postpartum condition for new mothers.
It is crucial to understand that postpartum depression is a serious problem that can have a substantial influence on mothers' and families' wellbeing.
In order to address and manage postpartum depression, it is essential to seek treatment and support from healthcare professionals.
Thus, the correct option is B.
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Your question seems incomplete, the probable complete question is:
Which of the following statements about postpartum depression is TRUE? A. Most cases of postpartum depression must be treated medically.
B. Postpartum depression is very common.
C. Postpartum depression is related to breastfeeding.
D. Most women can work through severe postpartum depression on their own.
how does cool roofs help the co2?
Answer:
These cool down not only the house but even helps with the potential of canceling the heating effect of up to two years of worldwide carbon dioxide emissions. Which would over help the co2 rates.
Emma constructed a simple motor. When connected correctly, the coil of copper wire spins. Which of the following best describes the energy transformation that takes place between the paper clips and the spinning coil? undefined Question 4 options: Kinetic energy transforms into electrical energy. Chemical energy transforms into electrical energy. Electrical energy transforms into kinetic energy. Kinetic energy transforms into chemical energy.
Answer:
The first one. Kinetic to Electric
Explanation:
The wire is spinning which is Kinetic energy, and the energy is being transferred into electric.