Stars and planets form when dust and gas from space is pulled together by.. what?

Answer:

Explanation:

It would actually be A. 30 , as each hour of ascension (i am not sure about the correct terminology) equals 15 .

Answer:

30

Explanation:

Answer:

C

Explanation:

The option (C) "The period of oscillation for an object" does not involve an assumption about the equivalence of inertial and gravitational mass.

The option that does not involve an assumption about the equivalence of inertial and gravitational mass is At a point on the earth's surface, the freefall acceleration of all objects is the same.(B)


A) The centripetal acceleration of a satellite given by G implies that the gravitational force (which depends on gravitational mass) provides the necessary centripetal force (which depends on inertial mass) for the satellite's orbit. Thus, it involves the equivalence of inertial and gravitational mass.

C) The period of oscillation for an object, such as a pendulum or a spring-mass system, also depends on both gravitational and inertial mass. The relationship between these masses is necessary for predicting the period of oscillation.

Option B, on the other hand, does not involve this equivalence.

The freefall acceleration (g) at a point on Earth's surface being the same for all objects simply states that all objects fall towards the Earth with the same acceleration due to gravity, regardless of their mass. It doesn't require any assumption about the equivalence of inertial and gravitational mass.

To know more about freefall acceleration click on below link:

https://brainly.com/question/29146658#

#SPJ11

Size: large, drop height: 1 metre, surface: hard floor, and size: large, drop height: 10 metres, surface: hard floor are the two trials that would allow a researcher to examine the influence of increasing drop height upon the force experienced by the egg.

Since the goal of the experiment is to understand how a difference in mass (or size) can impact the force that the egg experiences, It means that the other points of measurement should remain the same and only the size should change. Therefore, the Trials that would enable an experimenter to ascertain the impact of increasing drop height on the force felt by the egg under two sets of experimental conditions are size: large, drop height: 1 metre, and surface: hard.

Learn more about Trials

brainly.com/question/18150840

#SPJ4

Micah will experience a larger magnification is because the angular size of the object is smaller for Micah than for Lyra.

Why angular size of the object is smaller for Micah than for Lyra?

The magnification produced by a magnifier is given by the formula:

M = (25cm/f) + 1, where f is the focal length of the magnifier.

The magnification is larger when the focal length is smaller. However, in this case, both Micah and Lyra are using the same magnifier, so the focal length is the same for both of them.

The near point is the closest distance at which an object can be brought into focus by the eye. The near point varies from person to person, and it depends on the elasticity of the lens and the shape of the eye. In this case, Micah's near point is located farther away from his eye than Lyra's near point is located relative to her eye. This means that Micah's eye has less ability to focus on close objects than Lyra's eye.

When an object is located at the near point, the image formed on the retina is at its maximum size.

The angular size of the object is given by the formula:

θ = tan⁻¹ (s/d), where s is the size of the object and d is the distance between the object and the eye.

Since Micah's near point is farther away than Lyra's near point, the distance d is larger for Micah. This means that the angular size of the object is smaller for Micah than for Lyra.

When Micah uses the magnifier to inspect the object, the magnification will be larger because the angular size of the object is smaller.

This is because the magnification is proportional to the ratio of the angular size of the image to the angular size of the object.

Since the angular size of the object is smaller for Micah, the angular size of the image produced by the magnifier will be larger, resulting in a larger magnification for Micah.

Therefore, the correct reason why Micah will experience a larger magnification is because the angular size of the object is smaller for Micah than for Lyra when the object is located at his near point.

Learn more about magnification
brainly.com/question/21370207
#SPJ11

When the object is located at his near point, the angular size of the object is smaller for Micah than for Lyra, for which reason Micah will experience a larger magnification.

The statement that is correct for the given question is "When the object is located at his near point, the angular size of the object is smaller for Micah than for Lyra."

Micah and Lyra are two people with different near points but are equally close to an object.

Both inspect the object through the same magnifier by holding the lens close to the eye. In this context, magnification is the ratio of the size of the image seen through the magnifier to the size of the object when viewed directly.

The distance between the object and the lens must be greater than the focal length of the lens to create a virtual image. Micah's near point is located farther away from his eye than Lyra's near point is located relative to her eye.

So, Micah will experience a larger magnification for the reason that when the object is located at his near point, the angular size of the object is smaller for Micah than for Lyra.

To know more about magnification here:

https://brainly.com/question/21370207

#SPJ11

Answer:

First at all normal force

Explanation:

F= MG ( 50kg)(9.8m/s)= 490 N

The magnetic field is in perpendicular to both of electric field and the EM wave and its magnitude will be E/c. where c be velocity of light.

EM waves are another name for electromagnetic waves. When an electric field interacts with a magnetic field, electromagnetic waves are created. These electromagnetic waves make up electromagnetic radiations. It is also possible to say that electromagnetic waves are made up of magnetic and electric fields that are oscillating. The basic equations of electrodynamics, Maxwell's equations, have an answer in electromagnetic waves.

According to question: an  electromagnetic wave moves to the right and  electric field's direction is out of the page.

So, magnetic field is in perpendicular to both of electric field and the EM wave and its magnitude will be E/c. where c be velocity of light.

Learn more about electromagnetic wave here:

https://brainly.com/question/3101711

#SPJ1

Answer:

The final velocity s 12 m/s.

For the upwards trajectory:   (using the positive value of g in the downward direction)

Vf = Vi - g t = 0   where Vi is initial velocity and Vf the velocity at max height

Vf = 12 - g t = 0      t = 12 / g     time to reach max height

For the downwards trajectory

Vf = Vi + g t = 0 + g t    =  g * 12 / g = 12  where t was found above

We know the from  2 g h = Vf^2 - Vi^2, since the height is the same in both directions, that the ball reaches the ground with at the same speed at which it was sent.

Also, conservation of energy shows that the ball must return to the ground with the speed with which was projected.

Answer:

False

Explanation:

Larger pulse with more energy means that the wave has large amplitude. As in the given question, both the waves are travelling in the same medium, hence their speeds will remain same and therefore the larger pulse will not overtake the smaller pulse. Remember the amplitude of a wave does not affect the speed at which the wave travels

Answer:

False

Explanation:

The amplitude of a wave does not affect the speed at which the wave travels.  The speed of a wave is only altered by alterations in the properties of the medium through which it travels.

Answer:

25 and 24

Explanation:

Answer:

Explanation:

The region where the magnetic field around a current-carrying solenoid is uniform is inside the solenoid.

Yes, some current will be induced in coil Q if coil P is moved towards Q. This is due to the phenomenon of electromagnetic induction. When a changing magnetic field passes through a coil, it induces an electromotive force (EMF) in the coil, causing a current to flow. The movement of coil P towards coil Q will result in a changing magnetic field, inducing a current in coil Q.

If coil P is moved away from coil Q, the magnetic field passing through coil Q will decrease, resulting in a change in the magnetic flux. This change in magnetic flux will induce an EMF in coil Q, causing a current to flow in the opposite direction compared to the previous scenario.

iii. Some methods of inducing current in a coil include:

Moving a magnet towards or away from the coil

Changing the magnetic field through the coil by varying the current in a nearby coil

Rotating a coil in a magnetic field

Changing the area of the coil within a magnetic field

Comparison between a permanent magnet and an electromagnet:

Permanent Magnet: It is made of materials that are naturally magnetic, such as iron, cobalt, or nickel. It has a constant magnetic field and does not require an external power source to generate the magnetic field.

Electromagnet: It is made by wrapping a current-carrying coil (usually around an iron core). The magnetic field of an electromagnet can be controlled by varying the current flowing through the coil. It requires an external power source (such as a battery) to generate the magnetic field.

(i) If the amount of current in the conductor increases, the displacement of the conductor will experience a greater force. According to the right-hand rule, the force experienced by a current-carrying conductor is directly proportional to the current and the magnetic field strength. Therefore, an increase in current will result in a larger force and may lead to a greater displacement of the conductor.

(ii) If the horse shoe magnet is replaced by a weak horse shoe magnet, the displacement of the conductor may be less pronounced. This is because a weaker magnetic field will exert a smaller force on the current-carrying conductor, resulting in a reduced displacement.

The description of the circular metallic loop above the wire AB is missing. Please provide additional information or context for a more accurate response.

Answer:

The magnetic field through the coil must change.

Explanation:

Expand the left hand side using distributive property:

Add 50 to both sides:

Divide both sides by 10:

Answer:

x = 13

It will be very difficult to if you could travel back to the time when the Earth first formed as a planet.

When Earth first formed as a planet, the surface would be extremely hostile and inhospitable and life won't be possible. It was just molten volcanic land with no water or ocean.

Atmosphere and life were also not formed at that time. During the first period of time the temperature of Earth's atmosphere was extremely high and collisions were continuously happening between celestial bodies.

The heat produced in the atmosphere  thus was in a state of molten volcanic state. Just magma and lava. High temperature prevented the formation of oceans and thus life also.

Learn more about Earth:

https://brainly.com/question/21698090

#SPJ4

Answer:

3.a. 6m away

b. 3m away

Explanation:

a)

Effort = 10000N

Load=5000 N

effort distance=3 m

load distance=?

We can use the following equation to calculate the distance of the load from the fulcrum:

\(\boxed{\bold{\tt{Load * Load \:Distance = Effort * Effort \:Distance}}}\)

Plugging in the known values, we get:

\(\bold{\tt{5000 N * Load Distance = 10000 N * 3 m}}\)

dividing both side by 5000 N

\(\bold{\tt{Load\: Distance =\frac{ 10000 N * 3 m }{5000 N}}}\)

Load Distance = 6 m

Therefore, the load must be 6 meters away from the fulcrum in order for the crane to be balanced.

b)

If the load is increased to 10,000N, the effort and effort distance do not change.

Effort = 10000N

Load=10,000 N

effort distance=3 m

load distance=?

This is because the moment of the load will increase, and the moment of the effort will remain the same.

The moment of the load is calculated as follows:

\(\boxed{\bold{\tt{Load * Load \:Distance = Effort * Effort \:Distance}}}\)

Plugging value

\(\bold{\tt{10,000 N * Load Distance = 10,000 N * 3 m}}\)

dividing both side by 10,000 N

\(\bold{\tt{Load\: Distance =\frac{ 10,000 N * 3 m }{10,000 N}}}\)

New Load Distance = 3 m

Therefore, if the load is increased to 10,000N, it should be placed 3 meters away from the pivot point to balance the crane.

Answer:

A. 490

Explanation:

soln

mass = m = 5kg

Height = h = 10m

Acceleration due to gravity = g = 9.8ms²

K.E = 1/2 × mass × (velocity)²

Recall from equations of motion

v² = u² + 2gh

Therefore,

K.E = 1/2 × mass × ( u² + 2gh)

K.E = 1/2 × 5 × ( 0² + 2×10×9.8)

K.E = 1/2 × 5 × 196

K.E = 1/2 × 980

K.E = 490 Joules

Answer:

d=s×t 2.5*10^4×580N=14500000

Answer:

the mass of the body is 4 kg

Explanation:

PE = mass • height • gravity

200J = mass • 5m • 10m/s/s

divide both sides by 50

4kg = mass

The mass of the body is 4 kg

Formula: PE = mass*height*gravity

200J = mass*5m*10m/s/s

divide both sides by 50

∴ mass = 4kg

Capacity energy is saved energy that relies upon the relative position of diverse elements of a machine. Spring has more capacity strength while it's miles compressed or stretched. A steel ball has extra capability strength raised above the floor than it has after falling to Earth.

Learn more about potential energy here: https://brainly.com/question/14427111

#SPJ2

The required peak wavelength of the blackbody radiation emitted by the human body when the skin temperature is 35°C is calculated to be 9.408 μ m.

The temperature is given as 35 °C.

We know that, Wein's displacement law constant b is 2.898 × 10⁻³ m.K

The absolute temperature is calculated using,

T = t + 273 = 35 + 273 = 308 K

The relation of Wein's displacement law is,

λm T= b

where,

λm is maximum wavelength

T is absolute temperature

b is Wein's constant

λm = b/T = (2.898 × 10⁻³)/308 = 9.408 × 10⁻⁶ m = 9.408 μ m

Thus, the peak wavelength is calculated to be 9.408 μ m.

To know more about wavelength:

https://brainly.com/question/9964289

#SPJ4

The option that can be considered a limited resources is A: fertile soil.

Therefore, option A is correct.

Learn more at:

https://brainly.com/question/439768?referrer=searchResults

Answer:

fertile soil

Explanation:

trust

The distance from the base of the cliff is 13.67 m.

The impact velocity of the block when it falls off the cliff is 15.3 m/s.

Initial velocity of the block, u = 15 m/s

Mass of the block, m = 5 kg

Coefficient of friction, μ = 0.3

Height of the cliff, h = 12 m

μmg = ma

a = μg

a = 0.3 x 9.8

a = 2.94 m/s²

At the initial surface,

Total energy of the block = 1/2mu² - mgh'

E = m(u²/2 - gh)

E = 5(15²/2 - 9.8 x 5)

E = 5 x 63.5

E = 317.5J

The impact velocity of the block when it falls off the cliff is given by,

1/2 mv² = mgh

v = √2gh

v = √(2 x 9.8 x 12)

v = √235.2

v = 15.3 m/s

The distance from the base of the cliff is given by,

R = v√(2h/g)

R = 15.3 x√(2 x 13/9.8)

R = 15.3 x 1.628

R = 13.67 m

To learn more about projectile, click:

https://brainly.com/question/28043302

#SPJ1

Answer:

Wait what is the distance of the water from the br

The speed of the penny drops of a bridge just before it hits the water is 11.76 ms⁻¹.

Given,

Time, t = 1.2 s

The initial velocity (u), final velocity (v), acceleration (a), displacement (s), and time (t) of an object traveling with constant acceleration are related by the first equation of motion, often known as the first kinematic equation or the equation of motion with constant acceleration.

From the first equation of motion:

v = u + at

Since the initial velocity is zero. The final velocity is:

v = at

v = (9.8 ) × (1.2 s)

v = 11.76 ms⁻¹

Hence, the speed of the penny drops of a bridge just before it hits the water is 11.76 ms⁻¹.

To learn more about Speed, here:

https://brainly.com/question/17661499

#SPJ4

The final momentum of the volleyball is  0.5 kg · m/s .

We have to consider the Second law that was put forward by Isaac Newton. According to the law, the rate of change of the momentum would be directly proportional to the impressed force.

We would now have  momentum   to make use of the law as we know it to be able to obtain the final  of the object. Let us bear in mind that;

Ft = p2 - p1

F = force

t = time

p2 = final momentum

p1 = initial momentum

Then we would  now substitute the values from what we have in the question and have;

150 * 0.01 = p2 - (-1)

150 * 0.01 = p2 + 1

1.5 =  p2 + 1

p2 = 1.5 -1

p2 = 0.5 kg · m/s

Thus the final momentum as we have done the calculation here is  0.5 kg · m/s .

Learn more about momentum:https://brainly.com/question/24030570

#SPJ1

Missing parts;

A volleyball that has an initial momentum of -1.0 ⋅ kg⋅m/s changes direction after a hand hits it with a force of 150 N for 0.01 seconds. What is the final momentum of the object in the figure shown below?

Our ability to retain encoded material over time is known as memory.

memory is the cognitive process by which information is encoded, stored, and retrieved. It involves the ability to retain encoded material over time. encoding refers to the process of converting sensory information into a form that can be stored in memory. Once information is encoded, it can be stored in different types of memory systems, such as sensory memory, short-term memory, and long-term memory.

Retention is the ability to maintain and retrieve information from memory over time. It is influenced by various factors, including the strength of the initial encoding, the level of rehearsal or repetition, and the presence of retrieval cues. The stronger the initial encoding of information, the more likely it is to be retained over time.

Therefore, our ability to retain encoded material over time is known as memory.

Learn more:

About ability to retain encoded material here:

https://brainly.com/question/9290044

#SPJ11

The ability to retain encoded material over time is known as memory.

Memory is the ability of the mind to store and recall information and events that have already occurred. Memory is the capacity to acquire, process, store, and retrieve information over time. Encoding, storage, and retrieval are the three processes that makeup memory.

Encoding is the process of converting information into a format that can be stored in memory. Storage is the retention of information in memory. Retrieval is the process of recalling stored information from memory.

Memory is classified into three types: sensory, short-term, and long-term memory. Sensory memory retains information from the senses for a very short period of time.

Short-term memory is also known as working memory, and it can hold information for up to 20-30 seconds. Long-term memory has an indefinite storage capacity and can last from hours to years.

Memory formation is based on the principle of association. This implies that when information is encoded in the brain, it is connected to related information, which makes it easier to retrieve.

The more connections made, the more likely the information will be recalled. Memory can also be influenced by a variety of factors, including attention, emotion, motivation, and practice.

Memory is a complex phenomenon that involves a variety of processes and structures in the brain. While we still have much to learn about how memory works, our current knowledge provides us with insight into how to improve our ability to retain information over time.

Know more about the Memory click here:

https://brainly.com/question/31836353

#SPJ11

If a sphere is hanging freely from a cord, it is in stable equilibrium.

In stable equilibrium, a small displacement of the sphere from its equilibrium position results in a restoring force that brings the sphere back to its original position. In this case, if the sphere is displaced slightly from its hanging position, the force of gravity will act to return it to its original position.

Neutral equilibrium occurs when a small displacement of the object from its equilibrium position does not result in any net restoring force.

Unstable equilibrium occurs when a small displacement of the object from its equilibrium position results in a net force that moves the object further away from its original position.

Negative equilibrium is not a commonly used term in physics.

For more such questions on equilibrium

https://brainly.com/question/517289

#SPJ4

In general, exhibitions are a cheap way to advertise a business, build brand recognition, and interact with potential clients and partners.

These are two justifications for why exhibitions are essential:

Improved Visibility: Businesses may promote their goods, services, and brands to a sizable audience by participating in exhibitions. Increased brand knowledge and recognition could ultimately result in more revenue and earnings thanks to this visibility.

Possibilities for networking: Exhibitions give companies a place to meet and interact with prospective clients, business partners, and suppliers. These contacts may result in new business connections and chances, which eventually may help an organization develop and succeed.

To learn more about exhibitions visit:

brainly.com/question/19689448

#SPJ9

Answer:

Ally has a harder time

ally takes more time

juan is quick

juan is more experienced

if none of those are awnser choices what are the awnser choices?

Explanation:

Answer:

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses.

Explanation:

Resistors are common elements of electrical networks and electronic circuits and are ubiquitous in electronic equipment. Practical resistors as discrete components can be composed of various compounds and forms. Resistors are also implemented within integrated circuits.

The electrical function of a resistor is specified by its resistance: common commercial resistors are manufactured over a range of more than nine orders of magnitude. The nominal value of the resistance falls within the manufacturing tolerance, indicated on the component.

During capillary action, the water will rise higher in a narrower tube or channel with a smaller diameter.

This is because the smaller diameter creates a greater surface tension, which pulls the water upward against gravity. Additionally, a surface with a higher degree of attraction to the water molecules will also enhance capillary action, allowing the water to rise higher.
                                     This is because the adhesive forces between the water molecules and the tube's surface, as well as the cohesive forces between the water molecules themselves, are stronger in smaller diameter tubes, leading to a greater capillary rise.

Learn more about narrower tube

brainly.com/question/30882026

#SPJ11