C4 & C5, CO2 & CO3, PO2, PO3, PO9 and PO10) (ii) By referring Fig. 1 [Merujuk Kepada Rajah. 1] 8255 PP) TOR TOW AS X Decoder M 74151.98 AS Qs -c PAO-PAT PA PBO-PB7 PB POD PC A1 AO 8255 STOK AZ A₂ 3x8 Decoder 01 02 03 AT AO Figure 1 [Rajah 1] (i) Compute the address of port A, port B, Port C and the control register. [Kirakan alamat pelabuhan A, pelabuhan B, pelabuhan C dan daftar kawalan.] [6 marks/markah] (ii) Write an assembly program to input two numbers from switch 1 and switch 2. Switch 1 is connected to port A and switch 2 is connected to port B. Add the 2 numbers from both port and display the results on 7 segments connected to port C (Note that SEG 1 display the low order result value and SEG 2 display the high order result value). (iii) [Tulis program pemasangan untuk input dua nombor suis 1 dan suis 2. switch 1 disambungkan kepada port A dan suis 2 disambung kepada port B. Tambahkan nombor dari kedua-dua port dan paparkan hasil taunbah pada 7 segmen yang disambung ke port C. (Perhatikan bahawa SEG I paparan nilai hasil usaha yang rendah dan SEG 2 paparan nilai hasil usaha yang tinggi)]

Answer:

a = 5 [m/s²]

Explanation:

To solve this equation we must use the following equation of kinematics.

\(v_{f} =v_{o} +a*t\)

where:

Vf = final velocity = 25 [m/s]

Vo = initial velocity = 5 [m/s]

a = acceleration [m/s²]

t = time = 4 [s]

Note: The positive sign for the acceleration in the above equation means that the car is increasing its velocity.

25 = 5 +a*(4)

25 - 5 = 4*a

20 = 4*a

a = 5 [m/s²]

According to Einstein's theory of relativity, mass and energy are interchangeable, The energy equivalent to 1.0 × 10⁻⁴ kg of matter can be calculated using Einstein's famous equation, E = mc², where c is the speed of light (3.0 × 10⁸ m/s).

According to Einstein's theory of relativity, mass and energy are interchangeable, and their relationship is given by the equation E = mc², where E represents energy, m represents mass, and c represents the speed of light. To find the energy equivalent to a given mass, we can simply substitute the mass value into the equation.

Using the given mass of 1.0 × 10⁻⁴ kg and the speed of light c = 3.0 × 10⁸ m/s, we can calculate the energy equivalent:

E = (1.0 × 10⁻⁴ kg)(3.0 × 10⁸ m/s)²

E = 9.0 × 10¹⁶ kg⋅m²/s²

The unit kg⋅m²/s² represents joules (J), which is the unit of energy. Therefore, the energy equivalent to 1.0 × 10⁻⁴ kg of matter is 9.0 × 10¹⁶ joules. This demonstrates the tremendous amount of energy that can be released from a small amount of matter, as predicted by Einstein's equation.

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Answer:

it's true I'm pretty sure

Answer:

the answer is true.I'm sure

Answer:

Harmful bacteria are called pathogenic

Explanation:

Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.

Answer:

There is no Buoyant force.

The block will only float to the surface when the pressed face is released

Explanation:

There would be no Buoyancy force on the cube of Oak wood when one face is pressed flat against the Bottom of a tank and this is simply because there is no upward force acting on the side of the cube that is pressed against the bottom

Buoyant force is simply caused by the pressure difference between the water over and under an object immersed in water . hence since there is no water pressure under the immersed cube there will be no pressure difference between the water under and over the cube of oak wood immersed in the water.

The angular resolution at 505 nm for a telescope with a 9 meter primary mirror is 6.8455 x 10^⁻¹⁰  radian.

To put it simply, a telescope's resolution limit establishes the smallest detail that can be resolved in an image. The impact of diffraction establishes the resolution limit in the absence of aberrations.

The ability of any image-forming tool, such as an optical or radio telescope, a microscope, a camera, or an eye, to differentiate minute features of an object is known as angular resolution, and as such, it is a key factor in determining picture resolution.

Even the human eye can resolve angles! Rayleigh criterion is another name for angular resolution. An empirical formula for angular resolution has been proposed by renowned physicist Lord Rayleigh, where d is the diameter of the lens aperture.

We have,

Wavelength(λ) = 505 × 10^-9 m, D = 9 m

So, Angular resolution = 1.22(λ)/D

Angular resolution = 616.1 × 10^-9/9

Angular resolution = 6.8455 x 10^⁻¹⁰ rd

Thus, required angular resolution is 6.8455 x 10^⁻¹⁰ rd.

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Answer:

Uranus, Pluto, Neptune, Saturn , Jupiter, mars, Venus ,mercury and sun

Answer: the car mass with four would have an accelaration

Explanation:

a) The current will reach its maximum value after t=3.56×10⁻⁴ seconds

b) Inductance L= 2.50×10⁻³ H

c) Total energy= 3.20×10⁻³ J

a) Given,

Capacitance C= 64mf

Current I= 1.60sin(2500t+0.680)

The general equation of current for LC oscillations  is i=Isin(ωt+φ)

Here, ω= frequency,  φ= phase difference

On comparing the given equation with general equation we get

I= 1.60 Amperes,

ω=2500 rad/s

φ=0.680

For maximum value of current phase difference φ=\(\frac{\pi }{2}\)

\((2500t+0.680)=\frac{\pi }{2}\)

On solving,

t=3.56×10⁻⁴ seconds

b) To find inductance

We know that the frequency is given by ω=\(\frac{1}{\sqrt{LC} }\)  

On putting the values of ω and C and solving we get

L=2.50×10⁻³ H

c) To find the total energy

In an LC oscillation the total energy is given by

\(U=\frac{1}{2}LI^{2}\\\)

On putting L=2.50×10⁻³ H and I=1.60A and solving we get

U=3.20×10⁻³ J

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The wavelength of each gamma ray photon would be 1.22 x 10⁻¹¹ meters.

We need to use the equation E = hc/λ, where E is the energy of the gamma ray photon, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.

The total energy from the annihilation is given by E = mc², where m is the mass of the particle and antiparticle that annihilated each other. Since the question doesn't specify which particles were involved in the annihilation, we can't calculate m directly. However, we do know that all of the energy was carried away by two gamma ray photons.

Therefore, we can say that each photon has an energy of E/2. Plugging this into the equation above, we get:

E/2 = hc/λ

Rearranging, we get:

λ = 2hc/E

To calculate the wavelength, we need to know the energy of the photons. If we assume that the annihilation involved an electron and positron (the most common type of annihilation), then m = 9.11 x 10⁻³¹ kg (the mass of an electron), and E = 2mc² = 1.02 x 10⁻¹³ J.

Plugging this into the equation above, we get:

λ = 2hc/E = 2 x 6.63 x 10⁻³⁴ J s x 3 x 10⁸ m/s / 1.02 x 10⁻¹³J = 1.22 x 10⁻¹¹ m

Therefore, the wavelength of each gamma ray photon would be 1.22 x 10⁻¹¹ meters.

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In a deep vacuum, the pressure exerted by the atmosphere on a gauge line is negligible or close to zero. A vacuum is defined as a region with a low gas pressure, typically much lower than atmospheric pressure.

In a deep vacuum, the pressure is significantly lower compared to atmospheric pressure. The atmosphere exerts pressure on objects due to the weight of the air above them. However, in a deep vacuum where air or any other gas is absent, there is no medium to exert pressure on the gauge line.

A vacuum is defined as a region with a low gas pressure, typically much lower than atmospheric pressure. In a deep vacuum, the pressure is close to zero or negligible. This means that the atmosphere does not exert any significant pressure on a gauge line placed in a deep vacuum.

It is important to note that the absence of pressure in a deep vacuum does not mean the absence of other effects, such as radiation pressure or gravitational forces, which may still be present depending on the specific conditions. However, in terms of atmospheric pressure, it is essentially nonexistent in a deep vacuum.

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The phenomenon in hearing that is analogous to spatial frequency channels in vision is critical bands. Hence, the correct option is A: Critical bands.

Critical bands are regions of the audible frequency range in which a complex sound is divided into individual, discrete frequency bands by the human auditory system.

For instance, when different frequencies in a complex sound, such as a musical instrument or a human voice, are picked up by the ear, they are sent to the brain via various channels that respond to specific frequencies.

These channels are referred to as critical bands. The frequency range of these bands varies depending on the loudness of the sound.

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Answer:

the reaction force is to the left and of the same magnitude

Explanation:

To analyze this collision we see that when the bowling ball collides with the pin it exerts a force on it and by the law of action and reaction the pin exerts a force of equal magnitude and opposite direction on the ball.

Due to the high difference in mass, the speed and direction of the bowling ball is little altered, instead the speed and direction of the pin change significantly.

In summary the reaction force is to the left and of the same magnitude

A step-up transformer for electric power creates 119,340 V across the secondary. The voltage across the primary is 117 V and the number of turns in the secondary is 25,500.

According to the transformer equation, the ratio of the number of turns in the primary coil to the number of turns in the secondary coil is equal to the ratio of the voltage in the primary coil to the voltage in the secondary coil.

\(N_{1}\)/\(N_{2}\) = \(V_{1}\)/\(V_{2}\)

Where \(N_{1\) and \(N_2}\) are the number of turns in the primary and secondary coils, respectively, and \(V_{1}\) and \(V_2}\) are the voltages across the primary and secondary coils, respectively.

We can rearrange this equation to solve for the number of turns in the primary coil we get

\(N_{1\) = (\(V_{1}\)/\(V_{2}\)) * \(N_{2}\)

Substituting the given values, we get

\(N_{1}\) = (117 V / 119,340 V) * 25,500 turns

\(N_{1}\)= 25.1 turns

Hence, the number of turns in the primary coil is approximately 25 turns.

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The majority of oils have densities that fall within the 700–950 kg/m3 (kg/kg/m3) range. In oils, it is typically stated as +15°C or +20°C, in kilograms per square meter.

Density Definition How closely a material gets packed together is determined by its density. It is described as the mass per volume. Density Symbol: D or Density formula: = m/V, where m is the object's mass and V is its volume.

How compact & concentrated anything is is described by its density. Consider having two boxes, on large and one tiny. They each weigh the same, though. As a result, the small box does have a greater density than the huge box. Additionally, density reveals how crowded or concentrated something is.

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Answer: 4698 feet or 1432 Meters.

Explanation:

The change in gravitational potential energy stored in 16 Jule.

What is gravitational potential energy?

gravitational potential energy

In classical mechanics, of the  gravitational potential at in a  location is equal to the work per unit mass that's would be needed to Move an object to that locations from a fixed references  location. It is analogous to the electric potential with the mass playing the role of charge.

Sol-As per the given question ∆PE = mgh

M= skg

g= 4m/s^2

∆h = 2m

∆PE = 2m×4m×2m

= 16 Joules.

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Answer:

Errors:

1) Hypotenuse pertains to right triangles - if the triangle were isosceles then the acute angles would each be necessarily 45 degrees.

2) the horizontal component is M cos g

Answer:

Yes.

Explanation:

Sound waves travel through metal 17 times faster than air.

The Kuiper Belt has been known since the 1950s, but it wasn't until the 1990s that technology advanced enough to provide astronomers with the means to observe and detect Kuiper Belt objects.

Advances in telescope and imaging technology made it possible to detect faint and distant objects, and the use of powerful computers enabled the analysis of vast amounts of data. The discovery of the first Kuiper Belt object, 1992 QB1, in 1992, marked the beginning of a new era of exploration and discovery of the Kuiper Belt.

Is a region of the outer solar system beyond the orbit of Neptune that is home to thousands of icy small bodies, including dwarf planets like Pluto. It is believed to contain the source material for comets that originate in the outer solar system.

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Answer:

17 A

Explanation:

hope it helps you

17 a is correct

There must be 17A flowing out of the other two wires

Electric current is a stream of moving electrons.

The number of electrons that leave a point has to be the same as the number of electrons that arrive there.

. If they arrive and don't leave, then there has to be a way to store them there, like a capacitor or a battery.

And if they're leaving but not arriving, then there has to be a tiny factory there, manufacturing electrons and shipping them out.

The whole idea is called "Conservation of electric charge". The idea is that charge can't be created or destroyed. If charge appears, it had to come from somewhere. And if you have some that you don't want, you have to send it somewhere, because it never just disappears.

There's actually a law in electronics that covers this nicely, called Kirchhoff's current law. It says that the sum of all currents entering a single point is zero. (current coming in is positive, current going out is negative). In other words, All current In and all current Out are equal.

1. C. It is one of the richest in natural resources.

2. D. Conflict often occurs over natural resources.

3. C. earthquake

4. B. earthquake

5. C. switching to a more plant-based diet

A seismograph is a device that is used to detect and measure seismic waves caused by earthquakes or other ground vibrations. Therefore, a seismograph helps predict and record earthquakes.

.

The Pacific Ocean and the Ring of Fire are known for having a high frequency of earthquakes and volcanic eruptions, which are some of the biggest hazards in this region.

The most effective way for an individual on their own to reduce climate change is by switching to a more plant-based diet.

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Answer:

Explanation:

the directions may change

Or they will repel and become opposite sides

The resistance of resistor, R₁ in the given circuit is 7.5 A Ω (last option)

First, we shall obtain the current flowing through the resistor, R₁. Details below:

I = I₁ + I₂

5 = I₁ + 3

Collect like terms

I₁ = 5 - 3

I₁ = 2 A

Finally, we shall determine the resistance of resistor, R₁. Details below:

Voltage (V) = Current (I) × resistance (R)

15 = 2 × R₁

Divide both sides by 2

R₁ = 15 / 2

R₁ = 7.5 A Ω

Thus, the resistance is 7.5 A Ω (last option)

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The article by M. Dafermos and I. Rodnianski provides a detailed analysis of the black hole stability problem for linear scalar perturbations.

The article written by M. Dafermos and I. Rodnianski in 2010 provides an in-depth analysis of the black hole stability problem for linear scalar perturbations. Numerous researchers over the years. The article offers a critical review of the existing literature on the topic and provides a new perspective on the issue.

The authors begin by discussing the evolution of linear scalar fields in the vicinity of a black hole. They show that the solutions to the wave equation can be expressed as a linear combination of ingoing and outgoing modes. The ingoing mode corresponds to the wave function falling into the black hole, while the outgoing mode corresponds to the wave function escaping to infinity.

The authors then examine the behavior of the solutions to the wave equation as the black hole approaches its final state. They show that the solutions remain smooth and well-behaved as the black hole approaches its final state. This indicates that the black hole is stable to linear scalar perturbations.

The article by M. Dafermos and I. Rodnianski provides a detailed analysis of the black hole stability problem for linear scalar perturbations. The authors offer a new perspective on the issue and provide evidence to support the claim that black holes are stable to linear scalar perturbations.

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Answer:

150 km

Explanation:

It has a maximum speed of 150 km/h, and it sails at half its top speed, so it sails at 75 km/h. If it remains constant for 2 hours, it will have gone 150km.

19.15 feet is the distance the car travel in that time when a car traveling at 80 feet/sec decelerates at a constant rate so that it comes to a complete stop after 30 seconds.

To find the constant deceleration rate we use a = Δv/Δt.

a=80feet/sec/30s

a=-2.66 m/s^2

now to find the distance travelled

s =  80*-2.66 *30^2 =19.15 feet    (where s= distance)

Hence,19.15 feet is the distance the car travel in that time when a car traveling at 80 feet/sec decelerates at a constant rate so that it comes to a complete stop after 30 seconds.

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Answer:they are a renewable source

Explanation: because they come from the ocean and the ocean is 75% of the world so there will always be waves.

Answer:

If the water in the left side drops .2 m then the water on the right side rises by .2 m

The pressure on the gas is due to the height difference of the water on the two sides.

P = ρ g h

ρ g = 9.8 m/s^2 * 1000 kg / m^3 = 9800 N/m^3      weight density of water

P = 9800 N/m^3 * .4 m = 3920 N / m^2 = 3.92E3 N/m^2

Absolute pressure of gas = 3.92E3 / 1.01E5 = .0388 atmosphere