what is the name of the phobias of space?
Answers
Answer:
Astrophobia
Explanation:
heop it help
Related Questions
What is produced by AC and DC generators?
chemical energy
mechanical energy
electrical energy
magnetic energy
Answers
Answer:
electrical energy
Explanation:
In an AC and DC generator, electrical energy is generated in such systems.
Both AC and DC generators are used to produce electrical energy in order to power homes and industrial tools.
Electrical energy is produced due to movement of electrons. In the generators, often times, a fuel is the source of the energy for the process. The fuel has a chemical energy which is converted to electrical energy through the design of the system.a ball is thrown vertically upward with a speed of 30.0 m/s. how long does it take to reach its highest point?
Answers
It takes the ball 3.06 seconds to reach its highest point
To find how long does it take to reach its highest point
The time it takes for a ball to reach its highest point is given by the equation:
t = v / g
where
t is the time in secondsv is the initial velocity in meters per secondg is the acceleration due to gravity, which is approximately \(9.8 m/s^2\)In this case, the initial velocity is 30.0 m/s and the acceleration due to gravity is \(9.8 m/s^2\). Therefore, the time it takes for the ball to reach its highest point is:
\(t = 30.0 m/s / 9.8 m/s^2 = 3.06 s\)
Therefore, it takes the ball 3.06 seconds to reach its highest point.
Learn more about acceleration here : brainly.com/question/29223620
#SPJ4
What kind of feature results from the convergence of two oceanic plates?
A.
island arcs
B.
massive continental volcanoes
C
rift valleys
D.
tall mountain ranges
Answers
Answer:
A
Explanation:
Convergence is pushing them together so C is out of the question.
B and D are wrong because it is an oceanic plate. B and D are for continental plates.
a magnetic field of magnitude 0.300 t is oriented perpendicular to the plane of a ciruclar loop
Answers
A magnetic field of magnitude 0.300 T is oriented perpendicular to the plane of a circular loop. According to the Faraday's law of electromagnetic induction, the emf induced in a coil is directly proportional to the rate of change of magnetic flux .
which is given as;emf = -NdΦ/dtwhere, N = number of turns in the coil,dΦ/dt = rate of change of magnetic fluxThus, the main ans to this question is the emf induced in the circular loop. The explanation for the emf induced in a circular loop can be given as follows; The magnetic flux through a circular loop of area A is given by;Φ = B*AWhere,B = magnetic field strength A = area of the circular loop Hence, the rate of change of magnetic flux can be given as;dΦ/dt = dB/dt *
A Therefore, the emf induced in the circular loop can be given as;emf = -NdΦ/dtemf = -N*dΦ/dtTherefore,emf = -N * d(B*A)/dtemf = -N * A * dB/dt Given, B = 0.300 T Therefore, dB/dt = 0The magnitude of magnetic field and the area of the circular loop are given .Hence, the emf induced in the circular loop can be found by using the following formula; emf = -N * A * dB/dtemf = -N * A * 0Therefore,emf = 0
To know more about electromagnetic visit :
https://brainly.com/question/31039466
#SPJ11
A 20 gram bullet exits the rifle at a speed of 985 m/s. the gun barrel is 0.8 m long. what
was the force during the rocket's launch?
Answers
Hello!
We can use the following relationship:
\(\Delta KE = W = F \cdot d\)
ΔKE = Change in Kinetic Energy (J)
W = Work done on object (J)
F = Force (N)
d = distance of which the force is applied to the object. (This is equivalent to the length of the gun barrel, or 0.8 m)
Also, recall that:
\(KE = \frac{1}{2}mv^2\)
m = mass of bullet (0.02 kg)
v = velocity of bullet (vfinal = 985 m/s, vinitial = 0 m/s)
We can now solve.
\(\Delta KE = F \cdot d\\\\KE_f - KE_i = F \cdot d\\\\\frac{1}{2}(0.02)(985^2) - \frac{1}{2}(0.02)(0^2) = (0.8)F\\\\9702.25 = 0.8F\\\\F = \frac{9702.25}{0.8} = \boxed{12127.813 N}\)
What effect does the Earth spinning on its axis have on the winds and currents?
Α. Global winds will move along a straight path, and the ocean currents will not be affected.
B
Global winds will move along a curved path; therefore, causing the ocean currents to curve as well.
C.
The Moon's gravitational pull on the Earth is increased causing ocean water to move up the coast.
D.
The density of water is increased causing the water to sink forming deep ocean currents.
Answers
Three small identical spheres A, B, and C, which can slide on a horizontal, frictionless surface, are attached to three strings of length l which are tied to a ring G. Initially the spheres rotate clockwise about the ring which moves along the x axis with a velocity v0. Suddenly the ring breaks and the three spheres move freely in the xy plane. Knowing that vA = (1.039 m/s)j, vC = (1.800 m/s) i, a = 416 mm, and d = 240 mm, determine (a) the initial velocity of the ring, (b) the length l of the strings, (c) the rate in rad/s at which the spheres were rotating about G. Please explain each step.
Answers
(a) The initial velocity of the ring can be determined by taking the vector sum of the individual velocities of the spheres:
v0 = -(vA + vC)
Given that vA = (1.039 m/s)j and vC = (1.800 m/s)i, the initial velocity of the ring can be calculated.
(b) The length of the strings, l, can be determined using the distance formula between the spheres A and C:
d = sqrt((l^2 + l^2) - 2l*l*cos(120°))
Given that d = 240 mm, the length l can be calculated.
(c) The rate in rad/s at which the spheres were rotating about G can be calculated using the formula:
ω = vA / r
where ω is the angular velocity and r is the distance between the center of sphere A and the center of the ring G.
Given that a = 416 mm, the angular velocity can be calculated using the known values.
Note: The calculations involving vectors, trigonometry, and unit conversions are not provided here, but they can be performed using the given information and appropriate mathematical operations.
To learn more about velocity click here:brainly.com/question/19979064
#SPJ11
What are the two action-reaction force pairs when a ball is hung by a string?
Describe the direction of each of the four forces and the objects that exert those forces. Include whether they are contact or noncontact forces.
Answers
1. The force of the ball pulling down on the string is equal in magnitude and opposite in direction to the force of the string pulling up on the ball. The direction of the force of the ball pulling down on the string is downwards, while the direction of the force of the string pulling up on the ball is upwards. Both of these forces are contact forces.
2. The force of the string pulling down on the attachment point (such as a hook or a nail) is equal in magnitude and opposite in direction to the force of the attachment point pulling up on the string. The direction of the force of the string pulling down on the attachment point is downwards, while the direction of the force of the attachment point pulling up on the string is upwards. Both of these forces are contact forces.
In summary, when a ball is hung by a string, there are two action-reaction force pairs: the force of the ball pulling down on the string and the force of the string pulling up on the ball, and the force of the string pulling down on the attachment point and the force of the attachment point pulling up on the string.
1. A single coin is flipped four times. What do you think is the most likely outcome?
A. Four heads
B. Three heads, one tail
C. Two heads, two tails
no boor
amlo
D. One head, three tails
E. Four tails
F. All are equally likely
Answers
Answer:F. all are equally likely
Explanation:
F. because there is no way to tell if or what the persentage of tails to heads could be.
The ____ is a line drawn at a right angle to a barrier. a. normal c. node b. ray d. wave front
Answers
Answer:
a. normal
Explanation:
In the field of physics the normal is a line drawn at a right angle to a barrier. In other words the normal line is the line that is drawn perpendicular (right angle, 90 degrees) to the reflective surface of a mirror, or the particular boundary in which refraction occurs at the point of incidence of a light ray. This can be seen in the picture attached below.
The Ultimate exercise in planning for security is essentially about? O Risk Management O Employee Training O Security Surveys O Event Correlation What is a non-technical component that is typically the weakest link in information Security. Procedures O Policies O Employees O Cleaning Crews
Answers
The ultimate exercise in planning for security is essentially about risk management.
It involves identifying potential risks and threats to an organization's assets, evaluating the likelihood and potential impact of those risks, and implementing measures to mitigate or minimize those risks.A non-technical component that is typically the weakest link in information security is employees. Employees can inadvertently or intentionally compromise the security of an organization's information assets by, for example, falling for phishing scams, using weak passwords, or mishandling sensitive information. Therefore, it is essential for organizations to provide regular training and awareness programs to their employees to educate them on best practices for information security and to encourage a security-minded culture throughout the organization.To know more about management visit:
https://brainly.com/question/30452782
#SPJ1
Explain E=mc2 in Short And Easy Definition
Answers
It means mass can be converted into energy.
I. E. In a nuclear fission, we start of with a greater mass of our rectant, which then decrease due to mass being converted into the (thermal) energy released, in our reaction. Later, being used to produce electricity, for example.
Hope this helps!
which region includes the lowest pressures and highest temperatures at which the phase of x is known?
Answers
The region with the lowest pressures and highest temperatures at which the phase of x is known is the supercritical region.
This region is between the critical temperature and pressure, and is characterized by a single phase that is neither liquid nor gas, but rather a combination of the two.
This region exhibits properties that are intermediate between those of a liquid and a gas, and so the phase of X is known here.
A fluid is referred to as "supercritical" when it is subjected to pressure and temperature above the compound's critical point. The fluid exhibits specific characteristics and behaves in a manner that is in between that of a liquid and a gas in the supercritical region.
To know more about region here
https://brainly.com/question/13162113
#SPJ4
How are energy, force, and the motion of objects related?
Answers
Answer:
When two objects interact, each one exerts a force on the other that can cause energy to be transferred to or from the object. For example, when energy is transferred to an Earth-object system as an object is raised, the gravitational field energy of the system increases. This energy is released as the object falls; the mechanism of this release is the gravitational force. Likewise, two magnetic and electrically charged objects interacting at a distance exert forces on each other that can transfer energy between the interacting objects.
Explanation:
Even when an object is sitting still, it has energy stored inside that can be turned into kinetic energy (motion). ... A force is a push or pull that causes an object to move, change direction, change speed, or stop. Without a force, an object that is moving will continue to move and an object at rest will remain at rest.
Energy can be transmitted to or from an object when two things interact because of the forces that each one of the items applies to the other.
What is Energy force?For instance, the gravitational field energy of a system including the Earth and an object grows as energy is transmitted to the system when the object is raised.
As the object falls, this energy is released, and the gravitational force provides the mechanism for this release. Similar to this, when two electrically and magnetically charged objects contact at a distance, they exert forces on one another that can transmit energy.
Even when an item is at rest, it still contains energy that can be converted to kinetic energy (motion). A push or pull that moves, changes direction, or otherwise affects an object is called a force.
Therefore, Energy can be transmitted to or from an object when two things interact because of the forces that each one of the items applies to the other.
To learn more about Energy, refer to the link:
https://brainly.com/question/11399976
#SPJ2
According to Newton’s third law of motion, what happens whenever one object exerts a force on a second object?
Answers
Answer:
When one object exerts a force on another object, the second object exerts the same size force on the first object
Explanation:
Question 2 - A circuit breaker is designed to operate with a voltage capacity between 110-220 Volts
and a current capacity in the range of 15-30 Amp. How would you test the circuit for its tripping
behavior. (Hint: Identify the type of test that is applicable for range of values)
Answers
To test the circuit breaker's tripping behavior, you can perform an overload test.
A circuit breaker is a mechanical switching device that interrupts an electric circuit's current when it detects an overcurrent condition. A circuit breaker is designed to operate with a voltage capacity between 110-220 Volts and a current capacity in the range of 15-30 Amps.The following are the procedures for testing the circuit breaker:
Inspection:
Examine the circuit breaker for any visual harm or defects.
Ensure that all screws and terminals are secure and free of debris.
Continuity:
Use a multimeter to check the circuit breaker's continuity.
Ensure that there is continuity between the input and output wires of the circuit breaker and that the multimeter's resistance reading is zero when the breaker is closed.
Load:
Examine the circuit breaker's load-carrying capacity.
To do so, use a power source that is within the circuit breaker's current range and attach the circuit breaker to it.
As a result, the power source's current would flow through the circuit breaker.
Observe the tripping behavior:
After the power source has been connected, increase the current gradually to see if the circuit breaker trips at the appropriate value.
To do this, use a variable resistor or a load bank device to regulate the current flowing through the circuit breaker.
Learn more about the circuit breaker:
brainly.com/question/30715455
#SPJ11
A ball tied on a string rotates in a circular path as shown above. The only forces acting on the ball at any point are the weight and of the string. What is the equation for the net centripetal force at point C?
Answers
Answer:
the third one T-W
Explanation:
the direction of the Tension and weight are opposite
A ball is projected with an initial velocity of 40 meter per second and reached maximum height of 160 meters calculate tge angle of projection
Answers
There's a problem with the question as given. Even with a maximum projection angle of θ = 90°, the initial velocity is not large enough to get the ball up in the air 160 m. With angle 90°, the ball's height y at time t would be
y = (40 m/s) t - 1/2 g t ²
Set y = 160 m, and you'll find that there is no (real) solution for t, so the ball never attains the given maximum height.
From another perspective: recall that
v ² - v₀² = 2a ∆y
where
• v₀ = initial velocity
• v = final velocity
• a = acceleration
• ∆y = displacement
At its maximum height, the ball has zero vertical velocity, and ∆y = maximum height = 160 m. The ball is in free fall once it's launched, so a = -g.
So we have
0² - (40 m/s)² = -2g (160 m)
but this reduces to
(40 m/s)² = 2 (9.8 m/s²) (160 m)
1600 m²/s² ≠ 3136 m²/s²
A person can jump out of an airplane at 5000 feet, without a parachute, AND land on the ground safely (without any injury), IF they can manage to do what physics trick?
Lengthen the moment/time of impact
Bend knees right before impact
Spread out arms and legs to slow down
Shorten the length/time of impact
Answers
Answer:
Momentum is equal to mass for velocity (p1=mv)
But momentum is also equal to Force for time of impact (p1=Ft). Hence the impact force is inversely proportional to the fall time and directly proportional to the mass and fall velocity : F=mv/t^2 or F=p1/t
If he slows down, v diminishes and F diminishes
Hence correct Answer is C
The jet engine has angular acceleration of -2.5 rad/s2. Which one of the following statements is correct concerning this situation? 1. The direction of the angular acceleration is counterclockwise. 2. The direction of the angular velocity must be clockwise. 3. The angular velocity must be decreasing as time passes. 4. If the angular velocity is clockwise, then its magnitude must increase as time passes. 5. If the angular velocity is counterclockwise, then its magnitude must increase as time passes.
Answers
Answer:
The direction of the angular acceleration is counterclockwise.
Explanation:
Angular acceleration is a vector quantity and has both magnitude and direction. The negative sign indicates that the angular acceleration is in the opposite direction to the initial angular velocity.
In this case, the negative angular acceleration of -2.5 rad/s2 indicates that the engine is slowing down, which means that the angular acceleration is in the opposite direction to the angular velocity, and hence it must be counterclockwise.
Statement 2 is incorrect because the direction of the angular velocity is not specified, and it can be either clockwise or counterclockwise.
Statement 3 is correct because the negative angular acceleration implies that the angular velocity is decreasing as time passes.
Statement 4 is incorrect because the direction of the angular velocity is not specified, and the magnitude of the angular velocity may increase or decrease depending on its direction.
Statement 5 is also incorrect for the same reason as statement 4.
To know more about angular acceleration refer here
brainly.com/question/29428475#
#SPJ11
7. An airplane travels 4988.966 Km in 57 minutes. Calculate the average speed in
km/sec.
Answers
Answer:
wow easy
Explanation:
Describe the optional methods and time-course to follow when ascending from deep-sea diving to sea-level
Answers
When ascending from deep-sea diving to sea-level, it is necessary to follow certain methods and a time-course to prevent decompression sickness. The optional methods and time-course to follow are given below:
Optional methods:1. Safety stop: This is the process of stopping at a depth of 15 feet for a few minutes. This allows the nitrogen in the body to escape safely. This is not necessary if the dive is less than 50 feet.2. Decompression stops: If the dive is deeper than 50 feet, decompression stops should be performed. This involves stopping at various depths on the way up to allow nitrogen to escape from the body.3. Surface Marker Buoy: This is a buoy that is placed at the surface to alert boat traffic that a diver is in the area.
Time-course:
1. For dives that are less than 30 feet, there is no need to follow any specific time-course.2. For dives that are deeper than 30 feet, it is recommended to ascend slowly and steadily, at a rate of no more than 30 feet per minute.
3. For decompression stops, the diver should remain at the stop depth for the recommended time, which is usually based on the depth of the dive.
4. The ascent should be interrupted if any signs of decompression sickness are present.
To know more about sea-level visit
https://brainly.com/question/33196344
#SPJ11
is rainwater hardwater?
Answers
Answer:
As rainwater falls, it is naturally soft. However, as water makes its way through the ground and into our waterways, it picks up minerals like chalk, lime and mostly calcium and magnesium and becomes hard water. ... Even hair washed in hard water may feel sticky and look dull.
Explanation:
ACTIVITY 4
Applying the equation learned, answer the following problems:
1. A bowling ball whose mass is 4.0 kg is rolling at a rate of 2.5 m/s. What is its momentum? p = m/s. What Is Its Momentum?
Given:
Find:
Formula:
Solution:
2. A skateboard is rolling at a velocity of 3.0 m/s with a momentum of 6.0 kg-m/s. What is its mass?
Given:
Find:
Formula:
Solution:
3. A pitcher throws a baseball with a mass of 0.5 kg and a momentum of 10 kg-m/s. What is its velocity?
Given:
Find:
Formula:
Solution:
Subject Is Science
Good Perfect Complete=Brainlist
Copy Wrong Incomplete=Report
Good Luck Answer Brainly Users:-)
Answers
Answer:
1) 10 kg-m/s
2) 2 kg
3) 20 m/s
Explanation:
The momentum of an object can be calculated using the equation:
\(\large\boxed{p=mv}\)
where:
p is momentum (measured in kilogram meters per second).m is mass (measured in kilograms).v is the velocity (measured in meters per second).\(\hrulefill\)
Question 1For this question we need to find the momentum of a bowling ball whose mass is 4.0 kg is rolling at a rate of 2.5 m/s.
Given values:
m = 4.0 kgv = 2.5 m/sSubstitute the given values into the momentum formula and solve for p:
\(p=4.0\;\text{kg} \cdot 2.5\;\text{m/s}\)
\(p=10\;\text{kg m/s}\)
Therefore, the momentum of the bowling ball is 10 kg-m/s.
\(\hrulefill\)
Question 2For this question we need to find the mass of a skateboard rolling at a velocity of 3.0 m/s with a momentum of 6.0 kg-m/s.
Given values:
p = 6.0 kg-m/sv = 3.0 m/sAs we want to find mass, rearrange the momentum formula to isolate m:
\(\large\boxed{m=\dfrac{p}{v}}\)
Substitute the given values into the formula and solve for m:
\(m=\dfrac{6.0\; \text{kg m/s}}{3.0\; \text{m/s}}\)
\(m=2\;\text{kg}\)
Therefore, the mass of the skateboard is 2 kg.
\(\hrulefill\)
Question 3For this question we need to find the velocity of a baseball with a mass of 0.5 kg and a momentum of 10 kg-m/s.
Given values:
p = 10 kg-m/sm = 0.5 kgAs we want to find velocity, rearrange the momentum formula to isolate v:
\(\large\boxed{v=\dfrac{p}{m}}\)
Substitute the given values into the formula and solve for v:
\(v=\dfrac{10\; \text{kg m/s}}{0.5\; \text{kg}}\)
\(v=20\;\text{m/s}\)
Therefore, the velocity of the baseball is 20 m/s.
Which of the following has both kinetic and potential energy?
A. A bug crawling on the ground
B. A ball rolling on the ground
C. A hot air balloon flying
D. A book sitting on a shelf
PLEASE HURRY
Answers
Answer:
c
Explanation:
A 2141.00 lb car is moving at 49.00 miles per hour. Calculate the magnitude of its momentum p in SI units.
Answers
The magnitude of the car's momentum (p) in SI units is 965.88 kg·m/s.
To calculate the momentum, we need to convert the mass of the car from pounds (lb) to kilograms (kg) and the velocity from miles per hour (mph) to meters per second (m/s).
Converting the mass of the car, 2141.00 lb, to kilograms, we use the conversion factor 1 lb = 0.453592 kg. Thus, the mass of the car is 2141.00 lb * 0.453592 kg/lb = 971.34 kg.
Converting the velocity, 49.00 mph, to meters per second, we use the conversion factor 1 mph = 0.44704 m/s. Therefore, the velocity of the car is 49.00 mph * 0.44704 m/s/mph = 21.89 m/s.
The momentum is calculated by multiplying the mass and velocity: p = mass * velocity = 971.34 kg * 21.89 m/s = 21277.9826 kg·m/s. Rounding to the appropriate number of significant figures, the magnitude of the car's momentum is 965.88 kg·m/s.
Learn more about magnitude of momentum here:
https://brainly.com/question/31259466?referrer=searchResults
#SPJ11
Jack plays floor hockey. He moves with a velocity of 7.5 m/s [East] for 2.25 seconds. What is his displacement during this time? show your work below.
Answers
Answer:
16.875 m [East]
Explanation:
In a velocity time displacement problems
displacement is given by
displacement of moving body = velocity of the that body * time
displacement will be in the direction of velocity of body.
Given
velocity = 7.5 m/s [East]
time = 2.25 seconds
displacement = 7.5 m/s [East] *2.25 seconds
displacement = 16.875 m [East]
Thus, displacement of jack is 16.875 m [East].
An 80 kg fisherman jumps from a dock into a 100 kg rowboat which is not moving. If the velocity of the fisherman is 4 m/s when he jumps into the boat, what is the final velocity of the fisherman and the boat?
Answers
Answer:
1.78 m/s
Explanation:
We again have to use the inelastic collision formula, which is m1*v1 + m2*v2 = (m1+m2)*vf. The question gives us m1 = 80kg, v1 = 4 m/s, and m2 = 100kg. Plugging this into the equation gets us: 80 * 4 = (80 + 100) * vf. Solving for vf, we get: vf = 320/180 = 1.78 m/s.
Answer:
v = 1.78 m/s
Explanation:
Momentum of the fisherman before = mass of the fisherman x velocity of the fisherman
= 80 kg x 4 m/s
= 320 kg·m/s
Momentum of the boat before = mass of the boat x velocity of the boat
= 100 kg x 0 m/s
= 0 kg·m/s
Total momentum before = Momentum of the fisherman before + Momentum of the boat before
= 320 kg·m/s + 0 kg·m/s
= 320 kg·m/s
Total mass after = mass of the fisherman + mass of the boat
= 80 kg + 100 kg
= 180 kg
Total momentum before = Total momentum after
320 kg·m/s = 180 kg x v
v = 320 kg·m/s / 180 kg
v = 1.78 m/s
All interactions between the atmosphere and the geosphere involve
gases or particles in air and water
water and living things.
soil and gases or particles in the air
soil and living things
Answers
Answer:
The geosphere consists of the solid Earth and the atmosphere consists of the gaseous components in the air. Thus, the answer is C.
Explanation:
Answer:
C
Explanation:
Which of the following is an example of a dry lubricant? oil grease graphite petroleum
ANSWER ASAP WILL GIVE BRAINLIEST!
Answers
Answer:
Dry lubricants or solid lubricants are materials that, despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium.
Explanation:
Answer:
Your answer is graphite :) Have a nice day
Explanation: