Can robots be made to reason like humans?
A) scientific
B) non-scientific

Answer:

Palladium

Hope this helps!

The boat had sailed 1130km.

Initial Boat travel time = 7 hours.

The boat's initial speed is 80 km/h

The boat's current speed is 95 km/h.

Boat travel time at present = 6 hours.

Total nautical miles traveled =?

Solution:

Speed = distance / time.

The distance = Speed * Time

1. Distance = 80 km/h x 7 hours

  Distance = 560 km

2. Distance = 95km/h x 6hours

   Distance = 570 km

Hence, total distance = 560km + 570km

                                    = 1130km

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Answer:

A lightbulb has 25 W stamped on it. What does this mean?:

These labels mean that each lightbulb has Its respective power delivered to It when It Is connected to a constant

Explanation:

Answer:

D

Explanation:

120/2= 60km per hour

The speed of the ball seven seconds later is 28.6 m/s.

We have the following information;

initial velocity of the ball = 40 m/s

time taken = 7 seconds

Acceleration of the ball = 9.8 m/s^2

Now;

v = u - gt (the ball is moving upwards)

v = 40 - (9.8 * 7)

v = 28.6 m/s

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The graph that corresponds to 0.1 s in one complete cycle is graph D.

option D is the correct answer.

The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. Period, being a time, is measured in units of time such as seconds, hours, days or years.

Also, the period of a wave is the amount of time it takes for a wave to complete one wave cycle or wavelength.

From the given parameter, the coil rotates 10 times in one second. The period of the coil is calculated as;

Period = 1 s / 10

Period = 0.1 s

From the graphs, the only option that has one complete cycle in one second is option D.

Check option D, half cycle is 0.05 s and one full cycle is 0.1 s.

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Answer: 44m/s

Explanation:

The height of the utility pole she has climbed is 60 m

When an object is dropped under gravity, the initial velocity is zero. While at the maximum height reached by an object when thrown up, the final velocity will be zero.

Given that a utility line worker drops a screwdriver which takes 3.5 seconds to hit the ground. The height of the utility pole can be calculated by using the formula below

h = ut + 1/2gt²

but u = 0

h = 1/2gt²

Substitute all the parameters into the equation

h = 1/2 × 9.8 × 3.5²

h = 4.9 × 12.25

h = 60.025 m

Therefore, the height of the utility pole she has climbed is 60 m approximately.

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Answer:

12.18

Explanation:

The maximum height that the orange will reach is 12.18 m.

When an object is thrown at an angle from the horizontal direction, the object is said to be in projectile motion.

You throw an orange out a window at a height of 12.00 meters upwards at an angle of 32° to the horizontal at a velocity of 3.5 m/s.

If u is the initial speed, the maximum height of the ball from the point of throwing is

H = u² sin²θ / 2g

Put the values, we get

H = 3.5² sin²32° / (2x9.81)

H = 0.1753 m

So, the maximum height calculated from the ground is

12 + 0.18 = 12.18 m

Thus ,the maximum height that the orange will reach is 12.18 m.

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Answer:

None of these less than the resistance of either lamp.

Explanation:

When resistors are connected in parallel, the total resistance decreases compared to the resistance of either individual lamp. The combined resistance is lower because the current has multiple pathways to flow through. Therefore, the battery senses a resistance that is lower than the resistance of either lamp.

A possible length for the third side of the scalene triangle could range between 12 cm and 42 cm.

To determine a possible length for the third side of a scalene triangle, we can use the triangle inequality theorem. In geometry, the triangle inequality theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Given that two sides of the triangle measure 15 cm and 27 cm, let's consider the possible range for the length of the third side:

1. The third side must be greater than the difference between the lengths of the other two sides: |15 - 27| = 12 cm.

2. The third side must be smaller than the sum of the lengths of the other two sides: 15 + 27 = 42 cm.

Therefore, a possible length for the third side of the scalene triangle could range between 12 cm and 42 cm.

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Answer:

R= v/I

R= 9/1.05=8.5714 ohms

Answer:

v = 39.6 m/s (first answer option)

Explanation:

Use conservation of mechanical energy.

The starting is completely potential energy and the final is all kinetic energy:

\(m*g*h=\frac{1}{2}*m*v^2\\g * h=\frac{1}{2} v^2\\9.8*80=\frac{1}{2} v^2\\v^2=1568\\v\approx 39.6\,\,m/s\)

which agrees with the first answer shown.

Answer:

I would say metals

Ok so let's start off by saying that chemicals take a big part in our life, right? Nevertheless, many of these chemicals may, especially if not appropriately used, endanger our health and poison our environment. Some reactions may result in death and injury to people, damage to physical property, and severe effects on the environment.

Next, let's talk about metals.

Metals are often good conductors of electricity and heat, shiny and pliable. The metals we use day-to-day are converted from metallic ores to their final form. Toxic metals sometimes imitate the action of an essential element in the body, interfering with the metabolic process resulting in illness.

Last, acids.

Acids can react violently with water and are harmful in the presence of moisture in the mouth or eyes or in proximity with other aqueous solutions

I hope this helps :)

Answer:

metals i think

Explanation:

Answer:

Eye function renders you the sense of sight. They convert light into electrical signals. Afterwards, the brain deciphers these electrical signals into images. Properly working healthy eyes are able to perform the following functions.

Explanation:

To project an enlarged, real, and inverted image of an object, the object should be placed in front of the convex lens in the region between the focal point and the lens.

When light rays pass through a convex lens, they converge and form an image. The characteristics of the image depend on the relative positions of the object, lens, and the focal point. In order to achieve an enlarged image, the object must be positioned closer to the lens than the focal point. This allows the converging rays to interact with the lens and create a larger, magnified image on the other side of the lens.

Furthermore, the image formed by a convex lens is real and inverted when the object is located beyond the focal point. In this scenario, the rays of light converge to a point on the opposite side of the lens, resulting in an inverted image. Placing the object between the lens and the focal point would produce a virtual and erect image, rather than the desired real and inverted image.

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Answer:

Explanation:

A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. The particles in solids vibrate about fixed positions; even at very low temperatures. Individual particles in liquids and gases have no fixed positions and move chaotically.

Both the assertion and the reason given are true.If the mass of the object is less, the acceleration produced by the force will be more. Hence, the acceleration produced by the force is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.

The given assertion: When astronauts throw something in space, that object would continue moving in the same direction and with the same speed; and the given reason: The acceleration of an object produced by a net applied force is directly related to the magnitude of the force, and inversely related to the mass of the object are both correct.Astronauts are capable of throwing objects in space because they are beyond Earth's gravity and do not have to deal with any significant air resistance. In the absence of other forces like friction or air resistance, the initial velocity will be conserved, and the object will continue to move with the same speed and direction. The object would continue to move in a straight line with the same speed because no external force acts on it to change the object's state of motion.Newton's second law states that the force of an object is directly proportional to its acceleration, but inversely proportional to its mass. F=ma, where F is force, m is mass, and a is acceleration. Therefore, if the mass of the object is less, the acceleration produced by the force will be more. Hence, the acceleration produced by the force is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.

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Answer: velocity

Explanation: Acceleration = change in velocity / time interval

5m/s to 25 m/s, in 2 seconds. So 25m/s - 5 m/s, then divide by time =

10m/s squared

According to the question the speed of the balls just before they collide is 1.81 m/s.

Collide is a term used to describe the process of two objects or particles coming into contact with each other, often resulting in a collision. In physics, the term is used to refer to the force of two objects impacting one another. In everyday language, the term is used to describe two things, such as people or ideas, coming together in a way that produces a powerful impact.

The initial energy of the system can be calculated as:
\(E_{initial\) = m₁*g*h + 0
where m_1 is the mass of the upper ball (2.0 kg), g is the acceleration due to gravity (9.8 m/s²), and h is the vertical distance between the two balls (12.0 cm).
The final energy of the system can be calculated as:
\(E_{final} = (m_1 + m_2)\times v^2\)
where m_1 and m_2 are the masses of the two balls (2.0 kg and 3.0 kg, respectively), and v is the velocity of the lower ball when the two balls stick together.
From these equations, we can solve for v:
\(v = sqrt[(m_1\timesg\timesh)/(m_1 + m_2)] = sqrt[(2.0 kg\times9.8 m/s^2\times12.0 cm)/(2.0 kg + 3.0 kg)] = 1.81 m/s\)
Therefore, the velocity of the lower ball when the two balls stick together is 1.81 m/s.

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The speed of a tide wave as a free wave on the surface is determined by the depth of the water. This is known as the wave speed-depth relationship.

In general, the speed of a wave is directly proportional to the square root of the water depth. So, as the water depth increases, the wave speed also increases. Conversely, as the water depth decreases, the wave speed decreases.

This relationship can be understood using the equation:

Wave speed = √(g * h)

where:
- Wave speed is the speed of the wave,
- g is the acceleration due to gravity (approximately 9.8 m/s²),
- h is the depth of the water.

For example, let's consider two scenarios:

If the water depth is shallow (e.g., 1 meter), the wave speed will be relatively slow. This is because the depth is small, and the gravitational force has a greater influence on the wave speed.

On the other hand, if the water depth is deep (e.g., 10 meters), the wave speed will be relatively fast. This is because the depth is large, and the gravitational force has a smaller impact on the wave speed.

The speed of a tide wave as a free wave on the surface is determined by the depth of the water. The wave speed is directly proportional to the square root of the water depth.

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Answer:

B. A metal image of gas molecules as tiny balls

Answer:

B. A mental image of gas molecules as tiny balls

Answer:

A

Explanation:

THAT is th equation for Potential Energy

According to the second law of Newton, the acceleration is directly proportional to the net force acting on the object:

From this formula, we can also see that the acceleration is inversely proportional to the mass: For the same force, if the mass increases, the acceleration decreases.

Therefore the correct option is d.

Answer:

All the objects experience the same acceleration

Explanation:

According to Newton's law of universal gravitation, we have the gravitational force F given by the relation;

\(F=G \times \dfrac{M_1 \times m_{2}}{R^{2}}\)

Where;

G = The universal gravitational constant

M₁ = The mass of the Earth

m₂ = The mass of the object in the Earths gravitational field

R = The radius of the Earth

Therefore, we have;

\(F= m_2 \times a = G \times \dfrac{M_1 \times m_{2}}{R^{2}}\)

Which gives;

\(a = G \times \dfrac{M_1 }{R^{2}} \ which \ is \ a \ constant = 9.80665 \ m/s^2, \ known \ as \ g, \ which \ is \ \\the \ (acceleration \ due \ to \ gravity)\\\)Therefore, based on the above calculation, all three object will have the same acceleration due to gravity, g, when air resistance is ignored.

At point A the spinning wheel will experience least centripetal force.

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Centripetal force is applied on object depends on the centre and object distance. So B will experience maximum force while A is least.

At point A the spinning wheel will experience least centripetal force.

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Answer:

To the right if you are in the USA to the left if you are in Europe

Explanation:

You always want your tires to pull you away from traffic.

It is generally knowledge that sound waves may bend around corners or pass through doorways, enabling us to hear conversations taking place in nearby rooms.

The air on the opposing side of the barrier also vibrates as a result of the audio hitting the wall. You will be able to hear some sound through a sturdy, solid wall since it won't spread the vibrations too much.

A reflecting wave is created as a sound crosses a room and collides with a wall, reintroducing some of that waveform back into the space. The originating sound will endeavor to go through the wall and into the next space. Sound Transmission is the name for the energy that remains after this transmission.

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Polarization of light is achieved by passing the light through a polarizer which causes the light to vibrate in only one direction.

The question is unclear but I will try  to explain what is meant by polarization of light.  We know that light is an electromagetic wave and vibrates in all directions.

The polarization of light enables light to vibrate in a specified direction. This is achieved by passing the light through a polarizer which causes the light to vibrate in only one direction.

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