which is the example of circular motion??
1)Ferris Wheel
2) Falling raindrop
3)The person sitting in ferris wheel
4)none of them
Guys am so confused in this question.Can u please answer this for me.??​

You can find the magnitude of the resultant vector : (B). By adding the magnitudes of the two vectors

A vector can be defined as any quantity which possesses magnitude and also has direction.

A Vector quantity is very useful because This type of quantity gives more details to the student or teacher analyzing it.

Lear more about Vectors: https://brainly.com/question/25705666

#SPJ1

Answer:

the decrease in energy is due to a transformational in internal energy of the body in the rebound.

Explanation:

For this exercise we can calculate the initial and final mechanical energy

        Em₀ = U = m g y₁

        \(Em_{f}\) = U = m g y₂

we look for the variation of the energy

       ΔEm = Em_{f} - Em₀

       ΔEm = m g (y_{f} -y₀)

       ΔEm = m g (0.86 -1.2)

       ΔEm = -3.332 m

We can see that there is a decrease in mechanical energy, this is transformed into internal energy of the ball during the impact with the ground, this energy can be formed by several factors such as a part of the friction with the surface, an increase in body temperature or a deformation of the body; there may be a contribution from several of these factors.

In conclusion the decrease in energy is due to a transformational in internal energy of the body in the rebound.

Answer:

Please find the answer in the explanation

Explanation:

Given that a student lefts a bouncy ball to 1.2m, then releases the ball. The ball bounces back up to 0.86m. To Construct an explanation as to what happened to the energy, let first consider the difference in the two height of the ball.

The initial height = 1.2 metres

Final height = 0.86 metres

There is a loss in elastic potential energy of the ball. And the loss energy is due to the difference in the height of the ball under the gravity.

The loss in elastic potential energy is being converted to the gravitational potential energy.

The solution to the equation is; x =4 and x = 10

In most cases, the goal is to isolate the variable (usually represented by x) on one side of the equation. To do this, you can use inverse operations (e.g., adding, subtracting, multiplying, or dividing both sides of the equation by the same value) to cancel out any other terms.

If the equation contains more than one variable, you will need to repeat the above steps to solve for the other variables.

Now we have that;

(x – 3)^2 = 49

x^2 - 6x + 9 = 49

Learn more about  equation:https://brainly.com/question/29657983?

#SPJ1

To complete the sentences, we have

Equilibrium is the phenomenom in which no net force acts on an object.

Static equilibrium is equilibrium is which the body is at rest and has equaland balanced forces acting on it.

Dynamic equilibrium is equilibrium is which the body in motion and has equaland balanced forces acting on it.

So, to complete the sentences, we have

Learn more about equilibrium here:

https://brainly.com/question/27965641

#SPJ1

The precision of an experimental measurement is determined by the smallest possible increment of the measuring instrument. In the case of a tuning fork, the frequency of the fork is the quantity being measured.

If a tuning fork with a larger frequency (f) is used, the resulting oscillations will be more rapid, and the time period between successive oscillations will be shorter. Therefore, measuring the frequency of a high-frequency tuning fork requires a more precise measurement of time. This could lead to a less precise measurement of the frequency because measuring short time intervals accurately can be challenging.

On the other hand, if a tuning fork with a smaller frequency (f) is used, the resulting oscillations will be slower, and the time period between successive oscillations will be longer. Measuring the frequency of a low-frequency tuning fork is less sensitive to small variations in time measurements. Therefore, using a low-frequency tuning fork may result in more precise measurements of the frequency.

Learn more about experimental measurement

https://brainly.com/question/29215743

#SPJ4

In the context of LTE-A (Long-Term Evolution Advanced), Type 1 and Type 1a relay nodes are different deployment options for relay nodes in the LTE network. Relay nodes are used to extend the coverage and improve the performance of the network by relaying signals between the base station and user equipment (UE).

Type 1 Relay Node:

A Type 1 relay node in LTE-A operates in half-duplex mode, which means it can either transmit or receive data at a given time but not both simultaneously. It has two separate sets of antennas: one for receiving signals from the base station (downlink) and another for transmitting signals to the UE (uplink). This type of relay node introduces a relay-specific interface called the Relay Physical Interface (R-PHY) to connect with the base station.

The Type 1 relay node receives downlink signals from the base station, decodes them, and then re-encodes and retransmits them to the UE. Conversely, it receives uplink signals from the UE, decodes them, and re-encodes and retransmits them to the base station. Due to the half-duplex operation, it cannot receive and transmit simultaneously, which can result in increased latency and reduced throughput compared to other relay types.

Type 1a Relay Node:

A Type 1a relay node is an enhanced version of the Type 1 relay node, specifically designed to improve performance. It operates in full-duplex mode, allowing simultaneous transmission and reception. It achieves this by utilizing advanced self-interference cancellation techniques, which cancel out the interference caused by the transmitted signal, allowing the relay to receive signals while transmitting.

The Type 1a relay node also utilizes the Relay Physical Interface (R-PHY) to communicate with the base station. By supporting full-duplex operation, it can provide better throughput and lower latency compared to the Type 1 relay node. This makes it more suitable for scenarios where higher data rates and improved performance are desired.

Both Type 1 and Type 1a relay nodes can be deployed in LTE-A networks to extend coverage and improve performance in areas with challenging propagation conditions or limited backhaul connectivity. The choice between the two types depends on the specific requirements of the network deployment and the desired trade-offs between performance and complexity/cost.

#spj11

Learn more about LTE-A: https://brainly.com/question/30868989

Answer:

a.) L = 2.64 kgm^2/s

b.) V = 4.4 m/s

Explanation: Jessica stretches her arms out 0.60 m from the center of her body. This will be considered as radius.

So,

Radius r = 0.6 m

Mass M = 2 kg

Velocity V = 1.1 m/s

Angular momentum L can be expressed as;

L = MVr

Substitute all the parameters into the formula

L = 2 × 1.1 × 0.6 = 1.32kgm^2s^-1

the combined angular momentum of the masses will be 2 × 1.32 = 2.64 kgm^2s-1

b. If she pulls her arms into 0.15 m,

New radius = 0.15 m

Using the same formula again

L = 2( MVr)

2.64 = 2( 2 × V × 0.15 )

1.32 = 0.3 V

V = 1.32/0.3

V = 4.4 m/s

Her new linear speed will be 4.4 m/s

The height at which the diver must jump in other to hit the water with a speed of 24 m/s is 29.4 m.

The height of the player above the ground can be calculated using the formula below.

Where:

From the question,

⇒ Given:

⇒ Substitute these values into equation 1

⇒ Solve for s.

Hence, The height at which the diver must jump in other to hit the water with a speed of 24 m/s is 29.4 m.

Learn more about height: https://brainly.com/question/12446886

The time with the larger angular acceleration at the pivot point will be the one with the larger calculated angular acceleration value.

Angular acceleration is the rate of change of angular velocity. When an object rotates about an axis, it has an angular acceleration. To determine which time has the larger angular acceleration at the pivot point, you will need to follow these steps:

1. Identify the two different times in question (time A and time B).
2. Calculate the angular acceleration (α) at both times using the equation α = Δω / Δt, where Δω is the change in angular velocity and Δt is the change in time.
3. Compare the angular accelerations calculated in step 2.

Therefore, the time with the larger angular acceleration at the pivot point will be the one with the larger calculated angular acceleration value.

To know more about acceleration , refer here

https://brainly.com/question/30499732#

#SPJ11

The color theory of light is based on the fact that light is made up of different wavelengths, each of which corresponds to a different color. The colors for different pH levels fully expressed below.

Based on the color theory, this can be said about the various pH;

1. pH 0: The highly acidic solution absorbs the shorter wavelengths of light, resulting in a red color appearance. This is because acidic substances, with a higher concentration of hydrogen ions (H+ ions), tend to absorb shorter wavelengths and reflect longer wavelengths, which we perceive as the color red.

2. pH 6: The slightly acidic or neutral solution absorbs equal amounts of all wavelengths of light, leading to a light green color appearance. At pH 6, the solution is closer to neutrality, so it does not strongly favor absorption of any particular wavelength, resulting in a more balanced and light green color.

3. pH 11: The highly alkaline solution absorbs the longer wavelengths of light, giving it a blue-ish violet color. Alkaline substances, with a higher concentration of hydroxide ions (OH- ions), tend to absorb longer wavelengths and reflect shorter wavelengths, which we perceive as a blue-ish - violet color.

Find more exercises on color theory;

https://brainly.com/question/26331602

#SPJ1

The required time taken for the block to slide on the rough surface after the projectile emerges before it comes to rest again is calculated to be 4.08 s.

The equation of law of conservation of momentum can be written as,

"m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂"

where,

v₁, v₂ are the final velocities of the fired projectile and wooden block

u₁, u₂ are the initial velocities of the fired projectile and wooden block

m₁, m₂ are the masses of the fired projectile and wooden block

Mass m₁ is given as 200 g = 200/1000 = 0.2 kg

Mass m₂ is given as 15 kg

Velocity u₁ is given as 900 m/s

Velocity u₂ is given as 0 m/s

Velocity v₁ is given as 300 m/s

Putting all the values into the equation, we have,

0.2 × 900 + 15 × 0 = 0.2 × 300 + 15 v₂

15 v₂ + 60 = 180

15 v₂ = 120

v₂ = 8 m/s

As we know, F = m a = μ m g

⇒ a = μ g = 0.2 × 9.81 = 1.962 m/s²

From the equation of kinematics, v = u - a t

0 = u - a t

u = a t

t = u/a = 8/1.962 = 4.077 s ≈ 4.08 s

The given question is inappropriate. The complete question is 'A 200 g projectile is fired with a velocity of 900 m/s toward the centre of a 15 kg wooden block which rests on a rough surface.

If the projectile penetrates and emerges from the back at a velocity of 300 m/s, determine the velocity of the block just after the projectile emerges.

How long does the block slide on the rough surface after the projectile emerges before it comes to rest again?

The coefficient of kinetic friction between the block and surface is 0.2.'

To know more about friction:

https://brainly.com/question/15177683

#SPJ4

Answer: The only advantage cutting crops with a sickle is that its very effective for cutting lodged crops.

If the ball is caught at the same height at which it was thrown, then the total work done by gravity on the ball is zero.

When the ball is thrown upwards, it gains potential energy due to the work done by the person throwing the ball. The potential energy is then converted into kinetic energy as the ball moves upwards. As the ball reaches the highest point, its kinetic energy is zero and all of its energy is in the form of potential energy.The force of gravity acts on the ball, pulling it downwards, and converting its potential energy into kinetic energy. As the ball descends, its velocity increases and its kinetic energy increases, while its potential energy decreases. When the ball reaches the same height at which it was thrown, its velocity is zero, and all of its energy is in the form of potential energy. At this point, the force of gravity is still acting on the ball, but its displacement is zero. Therefore, the total work done by gravity on the ball is zero.In summary, if a ball is thrown upwards, it gains potential energy due to the work done by the person throwing the ball. The force of gravity acts on the ball, converting its potential energy into kinetic energy.

As the ball descends, its velocity increases, and its kinetic energy increases while its potential energy decreases. When the ball reaches the same height at which it was thrown, its velocity is zero, and all of its energy is in the form of potential energy. At this point, the force of gravity is still acting on the ball, but its displacement is zero, so the work done by gravity is zero. Therefore, the total work done by gravity on the ball is zero.

To know more about gravity visit:

https://brainly.com/question/31321801

#SPJ11

A shaded pole is a short-circuited winding, which consists of a single turn of copper wire and acts on only a portion of the stator windings.

Most single-phase motors just require the two start leads to be switched in order to turn the rotor in the opposite direction.

An AC motor that starts using a shaded stator pole. A partial short-circuited winding that affects only some of the stator windings, made up of a single turn of copper wire.

The motor is momentarily changed into a two-phase motor during the starting time to get around this problem and make it self-start. A single-phase motor’s stator is equipped with an additional winding, referred to as the starting winding, for this function (or auxiliary).

To know more about shaded pole Visit:

https://brainly.com/question/4480551

#SPJ4

Answer:

90 A

Explanation:

Applying,

P = VI.............. Equation 1

Where P = Power, V = Supply voltage, I = current.

Make I the subject of the equation

I = P/V.............. Equation 2

From the question,

Assuming the Voltage of the main electric supply is 120 V

Given: P = 10.8 kW = 10800 W, V = 120 V (household voltage)

Substitute these values into equation 2

I = 10800/120

I = 90 A

Answer:

The size of an object is directly proportional to the gravity

Explanation:

The size of an object has significant impact on the gravity exerted by such a body.

The more massive a body is, the larger the gravity it exerts.

The reason for this is because of the newton's law of universal gravitation.

The two errors in the passage are:

pH is a measure of the concentration of OH− ions in a solution of an acid or base. The pH scale plots the concentration of solutions in a range from 0–16.

The answer that correct both errors is:

pH is a measure of the concentration of H+ ions in a solution of an acid or base. The pH plots the concentration of solutions in a range from 0–14.

A solution's acidity or basicity is determined using the pH scale. A pH of 0-6.9 is considered acidic, a pH of 7 is neutral, and a pH of 7.1-14 is considered basic. The pH scale is logarithmic, which means that each change in pH reflects a tenfold difference in acidity or basicity.

The concentration of hydrogen ions (H+) in a solution determines the pH of the solution. A base is a chemical that reduces the concentration of H+ ions in a solution, whereas an acid raises the concentration of H+ ions in a solution.

Therefore, The  correct answer choice is:

" pH is a measure of the concentration of H+ ions in a solution of an acid or base. The pH plots the concentration of solutions in a range from 0–14."

For more such questions on pH scale, click on:

https://brainly.com/question/14965267

#SPJ11

Answer:

initial velocity (u)=0

final velocity (v)=80m/s

time(t)=5s

acceleration (a)=?

Explanation:

we have

v=u+at

80=0+a×5

5a=80

a=80/5=16m/s²

The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)

The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.

To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).

The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).

In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).

Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.

If co > co_critical, the system is considered overdamped (Option E).

If co = co_critical, the system is considered critically damped (Option D).

If co < co_critical, the system is considered underdamped (Option C).

Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.

To know more about damping ratios, refer here:

https://brainly.com/question/31463018#

#SPJ11

On planets like Venus, Earth, and Mars do not see as many craters because most of them have been eroded away by wind, rain or volcanic activity. We do not see any craters Jupiter, Saturn, Uranus, and Neptune because there is no visible solid surface for the meteors to hit.

Craters heavily dominate the surfaces of Mercury and the Earth's Moon because both the bodies lack water on their surfaces that would erode impact craters with time. They also lack an atmosphere which could disintegrate meteoroids before they impact the surface.

As smaller planets have less gravitational pull as compared to large planets therefore impactors will strike at lower speeds. Greater is the mass of the impactor, greater is the size of crater. Craters are often circular.

To know more about craters, refer

https://brainly.com/question/7012368

#SPJ13

Answer:

Explanation:

Let the magnitude of magnetic field be B .

flux passing through the coil's  = area of coil x field x no of turns

Φ = 3.13 x 10⁻⁴ x B x 135 = 422.55 x 10⁻⁴ B .

emf induced = dΦ / dt , Φ is magnetic flux.

current i = dΦ /dt x 1/R

charge through the coil = ∫ i dt

= ∫   dΦ /dt x 1/R dt

= 1 / R ∫ dΦ

= Φ / R

Total resistance R = 61.1 + 44.4 = 105.5 ohm .

3.44 x 10⁻⁵ = 422.55 x 10⁻⁴ B / 105.5

B = 3.44 x 10⁻⁵ x 105.5  / 422.55 x 10⁻⁴

= .86 x 10⁻¹

= .086 T .

Answer:

15.34 i think

Explanation:

Answer:

set A is showing the same position in both graphs

Answer:

B

Explanation:

The answer is B.

I'm positive it's B

Answer:

Because of the heat that contains of the fire anf it make it boil because of the atmosphere that has form

Answer:

C. Thermal energy from the fire moves to the water in the form of heat.

Explanation:

Chen, Roll, and Ross included several factors in their multifactor model. Specifically, their model included the market factor, size factor, book-to-market factor, and momentum factor.

The market factor captures the overall performance of the stock market and is typically measured by the returns of a broad-based market index such as the S&P 500.

Know more about the multifactor model

https://brainly.com/question/1912006

#SPJ11

RFID (Radio Frequency Identification) tags have their own transmitter and a power source, typically a battery.

RFID tags are small electronic devices that can be attached to or embedded in various objects, allowing them to be tracked and identified using radio waves.

These tags contain a microchip that stores information about the object they are attached to, and a transmitter that sends this information wirelessly to an RFID reader.

There are two types of RFID tags: active and passive.

Active RFID tags have their own power source (typically a battery) and can transmit information over longer distances than passive tags, which rely on the energy of the RFID reader to transmit their information.

To know more about transmitter refer here

https://brainly.com/question/54629557#

#SPJ11

Explanation:

0.930kg/m^3+1.29kg/m^3=2.220kg/m^3

Answer:

False. Not everything can turn into a black hole. The formation of a black hole requires a massive object, typically a star, to collapse under its own gravity. This collapse causes the object to become so dense that it creates a singularity, a point of infinite density at the center of the black hole, which is surrounded by an event horizon, the point of no return beyond which nothing, not even light, can escape. So, only objects with sufficient mass and gravity can become black holes.

Explanation:

Answer:

1. the one with the raito

2. the one that stubbed their toe

Explanation: