a. Given below is the Table 2 which gives the ratings given by 5 users for 5 different items. Show how the recommendation is done using
i. user based CF method for user 1
ii. item based CF for item 2
ITEM/USER User 1 User 2 User 3 User 4 User 5
Item1 4 2 3 Item 2 3 2 5 Item 3 4 2
Item 4 3 5 Item 5 2 3 3

Answer:

umm okay for starters I have no clue lol.

what is aerodynamics????

Answer:

  both are

Explanation:

It depends on what the symptoms of the "basic circuit problem" are. Both overvoltage and shorts are the kinds of things that can cause circuit damage, and either can be the cause of the other.

Option c is correct. The steel beam d (0.5 x 0.5) tested showed the least deflection. Beam deflection refers to the state in which a beam has changed from its initial shape as a result of a force, load, or weight.

Beam deflection refers to the state in which a beam has changed from its initial shape as a result of a force, load, or weight. Obtaining equations that allow us to accurately calculate beam deflections in a variety of real-world situations is one of the most significant uses of beam deflection. Analysis of statically indeterminate beams also takes into account deflections.

In terms of structural engineering, deflection is the movement of a beam or node from its initial position as a result of loads and forces acting on the member. It is also referred to as displacement and can result from externally applied loads as well as from the structure's own weight and the force of gravity that applies to it.

To know more about beam deflections click here:

https://brainly.com/question/24230357

#SPJ4

The relative frequency distribution of the total plane crashes that occurred during the past 50 years can be obtained as follows: Cause Number of Crashes Relative Frequency Pilot error 104 0.106 Other human error 93 0.095 .

Weather 390 0.398 Mechanical problems 235 0.240 Sabotage 264 0.270 Total 1,086 1.109 The most serious threat to aviation safety is weather, which caused 39.8% of all plane crashes. Yes, something can be done to minimize the effect of weather on aviation safety.

The best way to prevent weather-related plane crashes is to gather and disseminate as much information as possible about weather conditions and adjust flight plans and routes accordingly.

To know more about plane crashes visit:-

https://brainly.com/question/24159064

#SPJ11

Answer:

0.2 x 100

Explanation:

Engineering strain is the original crossection/original crossection

cold work percentage is

original crossection/original crossection x 100

Answer: Contaminants can cause tremendous harm to a population; not only humans but entire local animal species can be devastated by poisonous drinking water. Crops and livestock can also be affected. Citizens can make prudent choices regarding natural resources and energy use. Scientists can research and create products that can reduce or eliminate unnecessary waste and pollution.

Explanation:

Answer:2.88 ohms

Explanation:

R= V^2 / P

12^2/50

144/50

2.88 ohms

Aquaplaning or hydroplaning by the tires of a road vehicle, aircraft, or other wheeled vehicle happens when a coating of water builds between the wheels of the vehicle and the road surface, leading to a failure of traction that controls the vehicle from responding to govern inputs.

Aquaplaning or hydroplaning by the tires of a road vehicle, aircraft, or other wheeled vehicle happens when a coating of water builds between the wheels of the vehicle and the road surface, leading to a failure of traction that controls the vehicle from responding to govern inputs. Aquaplaning, also understood as hydroplaning, is a situation in which standing water, slush, or snow, drives the moving wheel of an aircraft to lose contact with the load-bearing surface on which it stands rolling with the impact that braking action on the wheel stands not effective in decreasing the ground speed of the aircraft.

When driving on wet roads at increased speed, a wedge of water can create up between the tire and the road surface. The tire loses road contact, and the vehicle stands no longer responsive to steering. This phenomenon exists understood as aquaplaning or hydroplaning.

To learn more about Aquaplaning or hydroplaning refer to:

https://brainly.com/question/3157449

#SPJ4

Answer:

Not a good idea.

Explanation:

You don't want the vehicle moving while it's on a lift, so do not lift it up on a moving part.

Answer:

please give me brainlist and follow

Explanation:

Mild steel can be converted into high carbons steel by which of the following heat treatment process? Explanation: Case hardening, also referred as carburizing increases carbon content of steel, thus, imparting hardness to steel.

Substitute an analogous resultant and pair second acting at point O for this force system. Write the findings as Cartesian vectors.

The ontological dualism of mind (also known as spirit or soul) with matter was adopted by the Cartesian school. Self-conscious thought is the essence of the mind, while three-dimensional extension is the essence of matter. God is a third, limitless substance, and necessary existence is what makes God who He is.

The Cartesian plane is a plane with such a rectangular coordinate system which assigns each point in the surface with a pair of integers. It is named just after mathematician Rene Descartes (1596–1650).

To know more about Cartesian visit:

https://brainly.com/question/28574364

#SPJ1

Answer:

Mass flow rate = 15.96kg/s

Explanation:

From

P1V1=mRT1

V1=RT1/P1

V1=0.0492m³/kg

M=A(U)/V1

Where u is the velocity

A=πd²/4

M=π(0.2²)/4×25/0.0492

M=15.96kg/s

We must break down the forces acting on the eyeball into their component parts to calculate the required values ​​of T and (theta), and we must use the concept of equilibrium, which states that the net force acting on an object and net torque are both zero.

Let us examine in more detail the forces affecting the eyeball:

The equations for balancing in the x and y directions will now be presented as:

No pressure is acting in the x-direction, so the tension force is zero in that direction: T * cos(θ) = 0

T * sin(θ) + \(\rm F_1 + F_2 - F_3\)= 1200N (net pull force of 1200N in y-direction due to tension force in y-direction, f1, f2 and f3)

Let us now find the value of T and θ:

From the x-direction equation, we get:

T * cos(θ) = 0

T = 0

From the y-direction equation, we get:

0 + 500N + 800N - 600N = 1200N

T * sin(θ) = 1200N

T = 1200N / sin(θ)

Since T cannot be both 0 and 1200N, it implies that sin(θ) must be equal to 1:

sin(θ) = 1

To find θ, we take the inverse sine (or arcsine) of 1:

θ = arcsin(1)

The arcsine of 1 is 90 degrees or π/2 radians.

Therefore, the values are T = 1200N / sin(θ) = 1200N / 1 = 1200N and θ = 90 degrees or π/2 radians.

Learn more about Force, here:

https://brainly.com/question/13191643

#SPJ7

Answer:

The engineering design process

Explanation:

Answer:

the engineering process

Explanation:

just got it right

The thing that happens when a capacitor is connected to a DC source is that Capacitors charge up until the voltage across the capacitor is equal to the externally applied voltage when they are linked across a direct current DC supply voltage.

Capacitors slowly charge in a DC circuit until the charging voltage of the capacitor is equal to the supply voltage. The capacitor will not permit any extra charges to travel through it after it has been fully charged.

Note that the link between a capacitor and voltage and current can be summarized as follows: the capacitance and the rate of rise or fall of the voltage determine how much current flows through a capacitor. A strong positive current will be produced through a capacitor if the voltage across the capacitor rises quickly.

Learn more about capacitor from

https://brainly.com/question/14883923
#SPJ1

Hi sorry I need points I'm New

Answer: My favorite color is Red favorite letter C favorite fruit watermelon.

If you are working with an extension ladder that has 15 rungs in each of the two sliding sections, this is a 30-foot extension ladder. It can be easily estimated by adding both lengths.

An extension ladder refers to a portable ladder that can be adjusted in its length and easily managed by the operator.

An extension ladder is very useful to climb up and/or down, thereby this tool should have vertical supports along its whole length in order to avoid accidents.

This type of ladder (extension ladder) may have different sections in order to reach a specific length during work.

Learn more about extension ladders here:

https://brainly.com/question/2408315

If an engine fails during rollout or just before takeoff, immediately shut both throttles and land the aircraft safely. Before reaching a safe single engine speed right away after takeoff, drop your nose to increase velocity.

Closing the throttle, turning off the fuel pump, setting the mixture control to idle cutoff, and simply cranking the engine is the most reliable hot start method I've found.

If an engine fails during rollout or just before takeoff, immediately shut both throttles and land the aircraft safely. Before reaching a safe single engine speed right away after takeoff, drop your nose to increase velocity. If you are unable to climb, close both throttles and land straight ahead.

The typical practice for the majority of aircraft would be to abandon takeoff if an engine failed during takeoff. In small aircraft, the pilot should turn the throttles down to idle, activate the speed brakes (if provided), and apply the brakes as needed if the engine fails before VR (Rotation Speed).

To learn more about engine procedure refer to:

https://brainly.com/question/18428188

#SPJ1

To reduce the moisture content of the batch of food product from 150% on a dry basis to 20% on a wet basis, we need to remove 1.225 times the weight of the original batch in water.

To solve this problem, we can use the concept of moisture content on a dry basis and moisture content on a wet basis.

Let's first convert the given moisture content of 150% on a dry basis to moisture content on a wet basis:

Moisture content on a wet basis = (Weight of water / Total weight of the product) x 100%

150% = (Weight of water / (Weight of dry solids + Weight of water)) x 100%

Solving for the weight of water, we get:

Weight of water = 1.5 x Weight of dry solids

Next, we need to find the weight of dry solids in the original batch of food product. Since the batch is 5% of the total product weight, we can assume that the total weight of the product is 100 / 5 = 20 times the weight of the batch. Therefore, the weight of dry solids in the original batch is:

Weight of dry solids = 0.95 x Total weight of the product

Now, we can calculate the weight of water in the original batch of food product:

Weight of water = 1.5 x (0.95 x Total weight of the product) = 1.425 x Total weight of the product

To reduce the moisture content to 20% on a wet basis, we need to remove some amount of water from the product. Let's assume that the final weight of the product remains the same as the original weight. Then, we can write:

Weight of water in the final product = 0.2 x Final weight of the product

The amount of water that needs to be removed from the original batch to achieve the desired moisture content can be calculated as:

Amount of water to be removed = Weight of water in the original batch - Weight of water in the final product

= 1.425 x Total weight of the product - 0.2 x Total weight of the product

= 1.225 x Total weight of the product

Learn more about moisture here https://brainly.com/question/13724830

#SPJ4

The sexagesimal system angles for 125 is 2.18 and for 12 is 0.209

What is the sexagesimal system?

We know that 180 = π

Therefore,

(i) 125  = 125 *  π / 180

                         = 125 * 22/ 7 * 180

                         = 2750 / 1260

                          = 2.18

(ii) 180 = π

12 = 12*  π /180

   = 12* 22/ 7 *  180

    = 264/ 1260

  = 0.209

Therefore, The sexagesimal system angle for 125 is 2.18 and for 12 is 0.209.

To learn more about the sexagesimal system, refer to the link:

https://brainly.com/question/8163253

#SPJ1

Answer:

SECTION LEARNING OBJECTIVES

By the end of this section, you will be able to do the following:

Distinguish between static friction and kinetic friction

Solve problems involving inclined planes

Section Key Terms

kinetic friction static friction

Static Friction and Kinetic Friction

Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.

There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.

Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.

Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.

Answer:

14.5° ; THD % = 3.873 × 100 = 387.3%.

Explanation:

Okay, in this question we are given the following parameters or data or information which is going to assist us in solving the question efficiently and they are;

(1). "500 VAR reactive power from 230 Vrms 50 Hz 1.5 KVAR reactor".

(2). Consideration of up to 12th harmonic.

So, let us delve right into the solution to the question above;

Step one: Calculate the Irms and Irms(12th) by using the formula for the equation below;

Irms = reactive power /Vrms = 500/230 = 2.174 A.

Irms(12th) = 1.5 × 10^3/ 12 × 230 = 0.543 A.

Step two: Calculate the THD.

Before the Calculation of the THD, there is the need to determine the value for the dissociation factor, h.

h = Irms(12th)/Irms = 0.543/ 2.174 = 0.25.

Thus, THD = [1/ (h)^2 - 1 ] ^1/2. = 3.873.

THD % = 3.873 × 100 = 387.3%.

Step four: angle AC - Ac converter

theta = sin^-1 (1.5 × 10^3/ 12 × 500) = 14.5°.

Answer:

B is correct I believe

Security Information and events management describes an integration of Information and event management in the aspect of organizational security.

Hence, SIEM could leverage the capability of machine learning models and generated data in other build a robust security system.

Learn more : https://brainly.com/question/25675806

The timing for the first leg outbound in a nonstandard holding pattern should begin at the time of the initial clearance.

Which is when the ATC controller grants permission for the aircraft to depart and enter the airspace for the holding pattern. This clearance will also include the altitude, heading, speed, and other instructions needed to enter the pattern.  The aircraft should enter the pattern at the designated time, or as soon as possible depending on the operating environment. Once the aircraft is in the pattern, the time for the next leg will be determined by the controller. The aircraft should then continue to follow the instructions from ATC to maintain the desired spacing and separation in the pattern.

To learn more about Outbound :

https://brainly.com/question/29024618

#SPJ11

Answer:

staples

Door or window

Explanation:

staples.- can hit the internal core and risk of electrocution.

Door or window - can damage the outer core

staples.- can hit the internal core and risk of electrocution or Door or window - can damage the outer core.

A length of flexible electrical power cable (flex) with a plug on one end and one or more sockets on the other end (often of the same kind as the plug) is known as an extension cord (US), power extender, drop cord, or extension lead (UK).

The phrase is also used to describe extensions for various types of cabling, but it mainly refers to mains (home AC) extensions.

The phrase "adapter cord" may be used if the plug and power outlet are of different types. Although they can be produced up to 300 feet long, most extension cords are between two and thirty feet long.

Therefore, staples.- can hit the internal core and risk of electrocution or Door or window - can damage the outer core.

To learn more about Extension cords, refer to the link:

https://brainly.com/question/14925233

#SPJ2