the right answer for this question would be dispositional
Answer:
dispositional
Explanation:
Why is a cell phone more likely to break when dropped from a higher height than a lower one?
A cell phone more likely to break when dropped from a higher height than a lower one because it has more potential energy at high height.
What is potential energy?Potential energy is the energy stored by an object as a result of its position relative to other objects, internal tensions, electric charge, or other reasons.
Potential energy is commonly defined as an object's gravitational potential energy, the elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field. The joule is the SI unit of energy.
Although it has connections to the Greek philosopher Aristotle's concept of potentiality, the word potential energy was coined by the 19th-century Scottish engineer and physicist William Rankine.
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From which direction does most bad weather arrive? east west magnetic north South Pole
Answer:
most bad weather arrives from the west
Explanation:
At different latitudes, the Earth has conveyor belts of air which affect weather like the westerlies and the trade winds. North America is most influenced by the westerlies, which come from the west
On 16th August 2020, an asteroid (later called 2020 QG) has been recorded as the closest
asteroid (spotted so far) that flew by the Earth without colliding with it. At the nearest point
of approach, it was only 2 950 km above Earth’s surface and it had a velocity v = 12.3 km·s
−1
.
How much higher was its velocity compared to the escape velocity at that height above Earth’s
surface? Find the ratio v/vesc.
Answer:
V/Ve = 1.1
Explanation:
The formula to find the escape velocity of an object at a distance from Earth's Surface is given as follows:
Ve = √[2GM/R]
where,
Ve = escape velocity = ?
G = Universal Gravitational Constant = 6.67 x 10⁻¹¹ N.m²/kg²
M = Mass of Earth = 5.97 x 10²⁴ kg
R = Radius of Earth = 6.37 x 10⁶ m
Therefore,
Ve = √[2(6.67 x 10⁻¹¹ N.m²/kg²)(5.97 x 10²⁴ kg)/(6.37 x 10⁶ m)]
Ve = 11.2 x 10³ m/s = 11.2 km/s
Hence, the ratio will be:
V/Ve = (12.3 km/s)/(11.2 km/s)
V/Ve = 1.1
Determine the tangential speed of the moon given the mass of Earth and the distance from Earth to the moon. Determine the tangential speed of a satellite that takes 90 minutes to complete an orbit 150 km above Earth’s surface.
B and A
Yes, just a B and an A.
Answer:
1. B
2. A
Explanation:
edge2020
A 2.93 kg particle has a velocity of (2.98 i hat - 3.98 j) m/s.
Required:
a. Find its x and y components of momentum.
b. Find the magnitude and direction of its momentum.
Answer:
a) The x and y components of the momentum are [tex]8.731\,\frac{kg\cdot m}{s}[/tex] and [tex]-11.661\,\frac{kg\cdot m}{s}[/tex], respectively.
b) The magnitude and direction of its momentum are approximately 14.567 kilogram-meters per second and 306.823º.
Explanation:
a) The vectorial equation of momentum is represented by the following expression:
[tex]\vec p = m\cdot \vec v[/tex] (1)
Where:
[tex]\vec p[/tex] - Vector momentum, measured in kilogram-meters per second.
[tex]m[/tex] - Mass of the particle, measured in kilograms.
[tex]\vec v[/tex] - Vector velocity, measured in meters per second.
If we know that [tex]m = 2.93\,kg[/tex] and [tex]\vec v = 2.98\,\hat{i}-3.98\,\hat{j}\,\,\,\left[\frac{m}{s} \right][/tex], then the momentum is:
[tex]\vec p = (2.93)\cdot (2.98\,\hat{i}-3.98\,\hat{j})\,\,\,\left[\frac{kg\cdot m}{s} \right][/tex]
[tex]\vec p = 8.731\,\hat{i}-11.661\,\hat{j}\,\,\,\left[\frac{kg\cdot m}{s} \right][/tex]
The x and y components of the momentum are [tex]8.731\,\frac{kg\cdot m}{s}[/tex] and [tex]-11.661\,\frac{kg\cdot m}{s}[/tex], respectively.
b) The magnitude and direction of momentum are represented by the following expressions:
[tex]\|\vec p \| = \sqrt{p_{x}^{2}+p_{y}^{2}}[/tex] (2)
[tex]\theta = \tan^{-1}\left(\frac{p_{y}}{p_{x}} \right)[/tex] (3)
Where:
[tex]\|\vec p\|[/tex] - Magnitude of momentum, measured in kilogram-meters per second.
[tex]\theta[/tex] - Direction of momentum, measured in sexagesimal degrees.
If we know that [tex]p_{x} = 8.731\,\frac{kg\cdot m}{s}[/tex] and [tex]p_{y} = -11.661\,\frac{kg\cdot m}{s}[/tex], then the magnitude and direction of momentum are, respectively:
[tex]\|\vec p\| = \sqrt{\left(8.731\,\frac{kg\cdot m}{s} \right)^{2}+\left(-11.661\,\frac{kg\cdot m}{s} \right)^{2}}[/tex]
[tex]\|\vec p\| \approx 14.567\,\frac{kg\cdot m}{s}[/tex]
[tex]\theta =\tan^{-1}\left(\frac{-11.661\,\frac{kg\cdot m}{s} }{8.731\,\frac{kg\cdot m}{s} } \right)[/tex]
[tex]\theta \approx 306.823^{\circ}[/tex]
The magnitude and direction of its momentum are approximately 14.567 kilogram-meters per second and 306.823º.
Which processes transfer energy from the core to the photosphere?
radiation, then friction
convection, then conduction
radiation, then convection
conduction, then friction
Answer:
radiation, then convection
Answer:
C, radiation then convection
Explanation:
got it correct on edgen (the sun's energy quiz)
4.) A hydroelectric dam runs water thru turbines that are connected to
generators to create electricity. What energy does the dam transfer to electrical
energy?
Answer:
Explanation:
A turbine and generator produce the electricity
"A hydraulic turbine converts the energy of flowing water into mechanical energy. A hydroelectric generator converts this mechanical energy into electricity.
What is the average speed in mph for a car that travels for 5 hours and 20 minutes?
Answer: If you meant 5 miles in 20 minutes than it’s 1 mile in 5 minutes
Explanation:
The car's average speed is
0.1875 • (the number of miles it covered)
how is it possible to move man made things
Answer: Because the human body is designed to use their muscles to create and transfer things from place to place, and that some man-made objects are light enough to be moved..?
please i don't get this at all
Answer:
6.4 minutes
Explanation:
because it says 3.2 m/s times by two because of two miles so it would be 6.4
convert 1000m/10s in km/h (with explenation)
What is the box on an instrument used for
Answer:
A sound box or sounding box (sometimes written soundbox) is an open chamber in the body of a musical instrument which modifies the sound of the instrument, and helps transfer that sound to the surrounding air. Objects respond more strongly to vibrations at certain frequencies, known as resonances.
Explanation:
How does an object's acceleration change if the net
force on the object is doubled?
A. The acceleration is cut in half.
B. The acceleration does not change.
C. The acceleration is doubled.
D. The acceleration is multiplied by four.
How does increasing plant biomass affect atmospheric co2
Answer:
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Explanation:
What happens to a copper wire when it is moved across a magnetic field?
A. Voltage and electric current are induced
B. It’s attracted to the positive pole of magnetic field
C. Electric current is induced, but not voltage.
D. It’s attracted to negative pole of magnetic field
Answer:
it is attracted to negative pole
A copper wire will get attracted to negative pole of magnetic field when it
is moved across it
The copper wire has free electrons in it which when moved across the
magnetic field will result in the movement of the electrons to the negative
pole of the magnetic field.
This is because unlike poles attract and like poles repel. Copper is a metal
and positively charged and so it gets attracted to the negative pole during
electron flow.
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Why can't heat be transferred between two objects that have the same temperature
Answer: Because temperature is a measure of the average kinetic energy of the atoms or molecules in the system. The zeroth law of thermodynamics says that no heat is transferred between two objects in thermal equilibrium; therefore, they are the same temperature.
Explanation:9 (- _ -)
as an object falls:
a) both velocity and acceleration increase
b) velocity increases and acceleration decreases
c) velocity increases and acceleration is unchanged
Answer:
c it is not accelerating on it's on but gravity pulls it there for velocity increases.
As an object falls, velocity increases and acceleration is unchanged. Therefore, option C is correct.
What do you mean by velocity ?The term velocity is defined as the direction of the movement of the body or the object.
Speed is fundamentally a scalar quantity. Velocity is, in essence, a vector quantity. It is the rate at which distance changes. It is the displacement rate of change.
The velocity of something is the rate at which it moves in a specific direction. For example, the speed of a car driving north on a highway or the speed of a rocket after launch. The scalar denotes that the absolute magnitude of the velocity vector is always the speed of motion.
Thus, it is not accelerating on it's on, but gravity pulls it there as velocity increases.
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An object starts from rest at the origin and moves along the x axis with a constant
acceleration of 4 m/s
2
. Its average velocity as it goes from x = 2 m to x = 8 m is:
Answer:
6.9m/s
Explanation:
Given parameters:
Acceleration of the object = 4m/s²
Distance = from x; 2m to x; 8m
Unknown:
Average velocity = ?
Solution:
From the given parameters, we use the right motion equation to solve the problem.
v² = u² + 2aS
v is the final velocity
u is the initial velocity
a is the acceleration
S is the distance covered
Distance = 8m - 2m = 6m
Initial velocity = 0m/s
The final velocity gives us the average velocity in this problem;
v² = 0² + (2 x 4 x 6) = 48
v = √48 = 6.9m/s
Which force is a noncontact force?
(15 points)
A.
magnetic force
B.
frictional force
C.
normal force
D.
impact force
Answer:
Magnetism is an example of a non-contact or action-at-a-distance force. These are forces which can act on an object without being in physical contact with it. The force of gravity is another example. Thus, gravity will pull a raindrop down to Earth without any tangible physical link between the Earth and the drop.
Explanation:
hope this helps u, sorry if it doesn't.
Answer:
Magnetic force
Explanation:
It would be this because all of th other forces are touching the object to make it move or somhting like that, the only one that makes it move by not touching it would be the magnetic force,
Hope this helps
Consider two samples of gas. Sample A consists of n moles and is kept at temperature T in container of volume V. Gas B consists of 2n moles, and is kept under the temperature T/2 in a container of volume V/2. What is the pressure of gas B in terms of pressure of gas A, P?
a. 2P
b. 4P
c. 8P
d. P
e. P/2
f. P/4
g. P/8
Answer: e. P/2
Explanation:
For ideal gases, we have the relation:
P*V = n*R*T
where:
n = number of mols
R = Gas constant
T = temperature
V = volume
P = pressure.
We know that for sample A, we have n moles, a temperature T and a volume V, then the pressure of this sample will be:
Pa = (n*R*T)/V.
For sample B, we have:
n/2 moles, temperature T/2 and a volume V/2, then the pressure will be:
Pb = (n/2)*R*(T/2)*(2/V) = (n*R*T/V)*(2/4)
and:
(n*R*T/V) = Pa
Then we can replace it and we get:
Pb = (n*R*T/V)*(2/4) = Pa*(2/4) = Pa*(1/2) = Pa/2.
Then the correct option is e.
A massive tractor is rolling down a country road. In a perfectly inelastic collision, a small sports car runs into the machine from behind. (i) Which vehicle experience a change in momentum of larger magnitude? (a) The car does. (b) The tractor does. (c) Their momentum changes are the same size. (d) It could be either vehicle. (ii) Which vehicle experiences a larger change in kinetic energy? (a) The car does. (b) The tractor does. (c) Their kinetic energy changes are the same size. (d) It could be either vehicle.
Explanation:
In an inelastic collision, the momentum remains conserved while the kinetic energy is not conserved.
(i) Here, a small sports car runs into the machine from behind.
Due to the conservation of momentum, it remains conserved. It means their momentum changes are the same size.
Hence, the correct option is (c).
(ii) The car is moving faster than the tractor. A faster moving object will lose more energy as compared to the other. It means car's most of the energy is converted to internal energy. The car will have a a larger change in kinetic energy. Hence, the correct option is (a).
WATS THE BEST ANIME
VERY IMPORTANT PLS ANSWER!!!!!!!
pls someone answer it's an exam I have only 15 mins it's in physics
Answer:
1 is gas
2. a false
b. true
c. true
d. false
3. fig(3)
Q2. Fill in the spaces with the correct form of the verb in future progressive tense.
1)
you (feed)
the dogs while Mom is in the hospital?
Answer:
will you fed the dogs while mom is in the hospital?
Explanation:
hope it may help
You will be feeding the dogs while Mom is in the hospital.
What is a verb?A verb is a word that is used to describe a certain action, state, or event.
What is a future progressive tense?The future progressive tense is a verb tense that denotes that something will happen in the future and will last a certain amount of time.
What is the syntax of future progressive tense?The syntax is Subject + will + be + verb + ing + rest of the predicate.
What are the other examples of future progressive tense?The other examples are:
I will be reading this every morning.It will be raining the entire week. etc.To learn more about the future progressive tense and verb here,
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Where does the peak wavelength emitted by the Sun fall in the electromagnetic spectrum?
in the green-blue range
in the ultraviolet range
in the yellow-green range
in the infrared range
Answer:
the answer is in the ultraviolet range
Answer:
in the yellow-green range
Explanation:
Right on Edge
21. As a future healthcare professional, how could you use operant conditioning to minimize a patients’ fears or anxieties? (Remember: Operant conditioning relates to voluntary behaviors that are driven by reinforcers or punishments.)
Answer:
Try to be their friend
Explanation:
Ask what sports they like
Connect to them
Tell them embarrassing stories that happened to you
Always say that everything will be okay
A 2.5 kg object has an acceleration of 4 m/s2. What is the force of the object?
Force = Mass × Acceleration
Mass = 2.5 kg
Acceleration = 4 m/s^2
Force = 2.5 × 4
Force = 10 N
The force of the object is 10 N
What wave characteristic of stage 1 sleep
Which elastic modulus describes the relationship between stress and strain for a block of iron sliding across a horizontal floor? The friction force between the sliding block and the floor causes the block to deform.
A. Young's Modulus
B. Shear Modulus
C. Bulk Modulus
D. None of these
Answer:
B. Shear Modulus
Explanation:
In this scenario, the friction force between the sliding block and the floor causes the block to deform.
Hence, the elastic modulus which describes the relationship between stress and strain for a block of iron sliding across a horizontal floor is Shear Modulus.
Shear Modulus can be defined as the ratio of shear stress to shear strain with respect to a physical object.
This ultimately implies that, Shear Modulus arises as a result of the application of a shear force on an object or body which eventually leads to its deformation. Thus, this phenomenon is simply used by scientists to measure or determine the rigidity of an object or body.
Mathematically, Shear Modulus is given by the formula;
[tex] G = \frac {Fl}{ADx} [/tex]
Where;
G is the Shear Modulus.
F is the force applied to the object.
A is the area of the object.
l is the length of the object.
Dx is the change in length.
Shear Modulus is measured in Pascals.
The weight of an object can be determined by multiplying the mass of the object by which of the following?
A the object's velocity
B the object's size
C the object's change in speed
D the object's acceleration due to gravity
Answer:
A, the objects velocity
Explanation: