The correct answer is 900cm. dimensions: height 15cm, width 30cm and depth 20cm.
The box's longest side with a flap is always its length. The width is the following metric. Although it is always the side that is shorter than the length, the breadth side also contains a flap. The package's height should be measured. Height x Depth x Width is the equation for a solid rectangle's volume. To get the height of a rectangular item, divide the volume by the product of the length and width.
V = l x w x h
V = 10cm x 4cm x 5cm
V = 200cm3
"Height" may be replaced with "depth." For example, "The box has a height of 15cm, width of 30cm, and is 20cm deep
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The two-second rule applies to vehicles traveling under?
Answer:The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should ideally stay at least two seconds behind any vehicle that is directly in front of his or her vehicle.
Explanation:
which is true when comparing free weights and weight machines?
Free weights offer a greater range of motion, engage stabilizer muscles, provide customization options, and have a steeper learning curve. Weight machines offer more guidance and are easier to use for beginners.
When comparing free weights and weight machines, the following points hold true:
1. Range of Motion: Free weights allow for a greater range of motion as they are not restricted by the movement of a machine. Weight machines, on the other hand, often have a fixed range of motion.
2. Stabilizer Muscles: Free weights engage stabilizer muscles to a greater extent as they require balance and coordination. Weight machines, being more guided, target specific muscle groups with less emphasis on stabilizers.
3. Customization: Free weights offer more flexibility in terms of load adjustment, allowing for incremental increases. Weight machines typically have fixed weight increments.
4. Learning Curve: Free weights require proper technique and form, which may have a steeper learning curve. Weight machines provide more guidance and are generally easier to use for beginners.
Overall, the choice between free weights and weight machines depends on individual goals, preferences, and the specific benefits each offers.
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Suppose that the following eight jobs must be scheduled through a car repair facility (repair times are shown in days): Car Repair (Processing) Time Due Date A 3 11 B 10 9 C 7 10 D 12 8 E 4 17 F 15 35 G 8 13 H 9 23 Use the information in the above table to answer these questions (you may use a s/heet if you wish): What car is repaired the latest (the most past its due date) if an SPT ( shortest processing time) sequence is to be obeyed? What car is repaired the latest (the most past its due date ) if an EDD (earliest due date) scheduling sequence is to be obeyed?
Answer:
The answer is "F".
Hope this helped!
(35-39) A student travels on a school bus in the middle of winter from home to school. The school bus temperature is 68.0° F. The student's skin temperature is 94.4° F. Determine the net energy transfer from the student's body during the 20.00 min ride to school due to electromagnetic radiation. Note: Skin emissivity is 0.90, and the surface area of the student is 1.50m2.
Answer:
The net energy transfer from the student's body during the 20-min ride to school is 139.164 BTU.
Explanation:
From Heat Transfer we determine that heat transfer rate due to electromagnetic radiation (\(\dot Q\)), measured in BTU per hour, is represented by this formula:
\(\dot Q = \epsilon\cdot A\cdot \sigma \cdot (T_{s}^{4}-T_{b}^{4})\) (1)
Where:
\(\epsilon\) - Emissivity, dimensionless.
\(A\) - Surface area of the student, measured in square feet.
\(\sigma\) - Stefan-Boltzmann constant, measured in BTU per hour-square feet-quartic Rankine.
\(T_{s}\) - Temperature of the student, measured in Rankine.
\(T_{b}\) - Temperature of the bus, measured in Rankine.
If we know that \(\epsilon = 0.90\), \(A = 16.188\,ft^{2}\), \(\sigma = 1.714\times 10^{-9}\,\frac{BTU}{h\cdot ft^{2}\cdot R^{4}}\), \(T_{s} = 554.07\,R\) and \(T_{b} = 527.67\,R\), then the heat transfer rate due to electromagnetic radiation is:
\(\dot Q = (0.90)\cdot (16.188\,ft^{2})\cdot \left(1.714\times 10^{-9}\,\frac{BTU}{h\cdot ft^{2}\cdot R^{4}} \right)\cdot [(554.07\,R)^{4}-(527.67\,R)^{4}]\)
\(\dot Q = 417.492\,\frac{BTU}{h}\)
Under the consideration of steady heat transfer we find that the net energy transfer from the student's body during the 20 min-ride to school is:
\(Q = \dot Q \cdot \Delta t\) (2)
Where \(\Delta t\) is the heat transfer time, measured in hours.
If we know that \(\dot Q = 417.492\,\frac{BTU}{h}\) and \(\Delta t = \frac{1}{3}\,h\), then the net energy transfer is:
\(Q = \left(417.492\,\frac{BTU}{h} \right)\cdot \left(\frac{1}{3}\,h \right)\)
\(Q = 139.164\,BTU\)
The net energy transfer from the student's body during the 20-min ride to school is 139.164 BTU.
Why do drivers always yield to emergency vehicles with lights and sirens
Answer:
So The emergency vehicle can pass so they can get to where they need to go
Explanation:
Compare automation and autonomous
Answer:
Automation generally means “a process performed without human assistance”, while autonomy implies “satisfactory performance under significant uncertainties in the environment and the ability to compensate for system failures without external intervention [emphasis mine].”
Explanation:
.Translate the following C code to MIPS assembly code. Initialize the variable factorial to 1, and calculate the factorial of 5 using a for loop. The result should be stored in the variable factorial. Assume that the value of factorial is stored in register $s0. If needed, you may use mul instruction. For example, mul $t0, $t0, $t1 performs a multiplication operation between the contents registers $t0 and $t1, and stores the result in register $t0.
C Code:
int factorial = 1;
for (int i = 1; i <= 5; i++) {
factorial *= i;
}
The translation of the following C code to MIPS assembly code is given below;
The Program.data
factorial: .word 1
.text
.globl main
main:
# Initialize variables
li $s0, 1 # factorial = 1
li $t0, 1 # i = 1
loop:
# Check loop condition
slti $t1, $t0, 6 # $t1 = 1 if i < 6, else $t1 = 0
beqz $t1, end # Branch to end if i >= 6
# Multiply factorial by i
mul $s0, $s0, $t0
# Increment i
addiu $t0, $t0, 1
# Repeat loop
j loop
end:
# End of the program
li $v0, 10 # System call for exit
syscall
The register $s0 contains the variable for factorial, while the register $t0 stores the loop control variable i in this MIPS assembly code. During each iteration of the loop, the value of i is multiplied with the factorial, which ranges between 1 and 5. Once the loop's condition becomes untrue, the program terminates.
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A standard carbon resistor has a gold band to indicate + 5% tolerance. If its resistance is 3,500 , what are the upper and lower limits for its resistance? OA . 3495 - 3505 2 OB. 3300 Q - 3600 0 OC. 3325 N - 3675 OD 3450 - 35500
Answer:
C. 3325 Ω - 3675 Ω
Explanation:
5% of 3500 Ω is ...
0.05 × 3500 = 175
The lower limit is this amount less than the nominal value:
3500 -175 = 3325
The upper limit is the nominal value plus the tolerance:
3500 +175 = 3675
The lower and upper limits are 3325 Ω and 3675 Ω, respectively.
Bob would like to run his house off the grid, therefore he needs to find out how many solar panels and batteries he needs to buy.
The power output of a 250 W solar panel is p=250−10(t−5)2 watts for the average 10 hour day. He plans on using 12 V, 120 A⋅h batteries and would like to able to store 3 days worth of energy. Bob's house uses 1100 kW⋅h per month (30 days).
Answer:
stink
Explanation:
Convert 10100111012 to base ten 3. Convert 228 10 to unsigned binary 4. Convert c0de 16 to unsigned binary 5. Convert the unsigned binary number 110000110112 (unsigned) to base 16 (hex) 6. Convert 2017 to decimal 7. Convert 264s to base 4 (easiest to go through base 10) 8. Convert −3010 to two's complement binary 9. Convert 2.37510 to unsigned binary
Conversions are given below:
1. 10100111012 in base ten is 334.
2. 22810 in unsigned binary is 111001002.
3. C0DE16 in unsigned binary is 11000000110111102.
4. The unsigned binary number 110000110112 in base 16 (hex) is C1B16.
5. 2017 in decimal is 2017.
6. 264s in base 4 is 1204.
7. -3010 in two's complement binary is 11111111111100112.
8. 2.37510 in unsigned binary is 10.0112.
1. To convert 10100111012 to base ten, we start from the right and assign powers of 2 to each digit. Starting with the rightmost digit, we have 2° = 1. Moving to the left, the next digit has 2¹ = 2, the next has 2² = 4, and so on. Multiplying each digit by its corresponding power of 2 and summing the results, we get 4 + 8 + 32 + 128 + 256 = 334.
2. To convert 22810 to unsigned binary, we divide the number by 2 repeatedly until we reach 0. The remainders, starting from the bottom, give us the binary representation. In this case, the remainders are 0, 0, 1, 1, 1, 0, 0. Reversing the order gives us 111001002.
3. To convert C0DE16 to unsigned binary, we convert each hexadecimal digit to its corresponding 4-bit binary representation. C is 1100, 0 is 0000, D is 1101, and E is 1110. Combining these binary representations, we get 11000000110111102.
4. To convert the unsigned binary number 110000110112 to base 16 (hex), we group the bits into groups of 4 starting from the right. 1100 is C, 0011 is 3, 0111 is 7, and 0111 is 7 again. Combining these groups, we get C1B16.
5. 2017 in decimal is already in base 10, so there's no conversion required.
6. To convert 264s to base 4, we first convert it to base 10 by multiplying 2 by 64 and adding 6. This gives us 134. To convert 134 to base 4, we divide by 4 repeatedly until we reach 0. The remainders, starting from the bottom, give us the base 4 representation. In this case, the remainders are 0, 1, 2, 1. Reversing the order gives us 1204.
7. To convert -3010 to two's complement binary, we start by representing 3010 in binary form, which is 101111001002. Then, we invert all the bits to get 0100001101112. Finally, we add 1 to the least significant bit, resulting in 0100001110002.
8. To convert 2.37510 to unsigned binary, we separate the whole number part and the fractional part. The whole number part, 2, can be directly represented as 10 in binary. To convert the fractional part, we multiply it by 2 repeatedly until the fractional part becomes zero or until we reach the desired precision. The integer parts of the multiplied results, starting from the left, give us the binary representation of the fractional part. In this case the fractional part is 0.375, which gives us 0.0112 in binary. Combining the whole number and the fractional part, we get 10.0112.
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What are the advantages to a quality
saw?
when installing subfloor plywood or osb panels, which dimension of the panel needs to run perpendicular to the floor joist framing?
When installing subfloor plywood or OSB panels, the dimension of the panel needs to run perpendicular to the floor joist framing is the "Longer Dimension".
What is an OSB Panel?Oriented strand board (OSB) is a type of engineered wood that is similar to particle board in that it is made by applying adhesives and then compressing layers of wood strands in certain orientations. Armin Elmendorf created it in California in 1963.
Historically, the main advantage of OSB has been its lower production cost. It is rated comparable to plywood for most applications such as subflooring and wall sheathing. However, its effectiveness in damp regions is uncertain, as it is prone to retaining moisture, which can cause the board's edges to swell.
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Which explanation best summarizes what went wrong during Paul’s cost analysis?
Paul is developing a new automobile. His cost analysis took into consideration the costs of materials, insurance, and labor. Suddenly, unanticipated bills have begun coming in, putting his project far over budget.
He forgot to include direct costs such as advertising, legal fees, and repairs.
He forgot to include circumstances such as employee vacations and faulty materials.
He forgot to include indirect costs such as advertising, legal fees, and repairs.
He forgot to include circumstances such as attrition and failure of delivery of materials
Answer:
The correct answer is He forgot to include indirect costs such as advertising, legal fees, and repairs.
Explanation:
Which of the following is iterative? *
Science
Engineering
Criteria
Infrastructure
Which of the following is not a building automation and control protocol?
A. BACnet
B. LonWorks
C. Modbus
D. Wi-Fi
Wi-Fi is not a building automation and control protocol.Building automation and control protocols are a group of technologies that are used in buildings to automate the building's control and energy management systems. They are designed to allow for the integration of different systems in a building, such as HVAC, lighting, security, and other systems, into a single, centralized system that can be controlled and monitored from a central location.
There are many different building automation and control protocols that are in use today. Some of the most common ones include BACnet, LonWorks, Modbus, and KNX. Each of these protocols has its own strengths and weaknesses, and each is best suited for different types of buildings and different types of control systems.Wi-Fi, on the other hand, is not a building automation and control protocol. It is a wireless networking technology that is used to connect devices to the Internet and to each other. While Wi-Fi can be used to connect building automation and control systems, it is not specifically designed for this purpose, and there are other protocols that are better suited for building automation and control applications.Wi-Fi is a common wireless network technology that allows devices to connect to the Internet and to each other. However, Wi-Fi is not a building automation and control protocol. Building automation and control protocols are specifically designed for the automation and control of building systems, and they are better suited for this purpose than Wi-Fi.
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In an RL parallel circuit, VT = 240 V, R = 330 Ω, and XL = 420 Ω. What is the Apparent Power (VA)?
Answer:
that answer is correct
Explanation:
This answer is correct because they explained everything they needed.
Tammy, age 18 months, has a beach ball and a Nerf ball, and she knows what a basketball and a tennis ball are. When she encounters a golf ball for the first time, she mentally adds this new example to her "ball" scheme. Adding another example to an existing scheme is a process that Piaget called ________.
Answer:
Explanation:
The process that Piaget called "adding another example to an existing scheme" is called assimilation. Assimilation refers to the cognitive process of incorporating new information or experiences into existing mental schemas or frameworks. In this case, Tammy assimilates the new example of a golf ball into her existing "ball" scheme, expanding her understanding of what falls under the category of a ball.
A refrigerator with a COP of 3.0 removes heat from the refrigerated space at a rate of 10 kW. Determine the rate of power input.
The rate of power input for this refrigerator is 3.33 kW.
A refrigerator with a COP (Coefficient of Performance) of 3.0 is designed to remove heat from the refrigerated space efficiently. The COP is the ratio of the amount of heat removed from the refrigerated space to the work (power input) done by the refrigerator.
In this case, the heat removal rate is given as 10 kW. To determine the rate of power input, we can use the following formula:
COP = (Heat removal rate) / (Power input)
Rearranging the formula to solve for the power input:
Power input = (Heat removal rate) / COP
By substituting the given values:
Power input = (10 kW) / (3.0)
Power input = 3.33 kW (approx.)
So, the rate of power input for this refrigerator is approximately 3.33 kW. This means that for every 3.33 kW of electrical power supplied to the refrigerator, it is able to remove 10 kW of heat from the refrigerated space. A higher COP indicates a more energy-efficient refrigerator.
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Write 3 important things learned about oxyfuel cutting and welding system.
Answer:
see and make me brainlist
Explanation:
What is oxy fuel cutting used for?
Oxy-fuel cutting is used for the cutting of mild steel. Only metals whose oxides have a lower melting point than the base metal itself can be cut with this process. Otherwise as soon as the metal oxidises it terminates the oxidation by forming a protective crust.
Solve for R.
What is the current going through the 6 ohms light bulb?
Answer:
9A
Explanation:
Which of the following is NOT a risky food:
a
Raw Meat
b
Uncleaned fruits & vegetables
c
Bread
d
All of the above
e
Soft Cheeses
i think it's c. bread.
Answer:I think raw meat because if you eat raw meat you get sick and get stomach aches so always when you cook meat it kill the bacteria
Explanation:what I'm trying to says is stay safe
Consider a 50-cm-diameter and 95-cm-long hot water tank. The tank is placed on the roof of a house. The water inside the tank is heated to 808C by a flat-plate solar collector during the day. The tank is then exposed to windy air at 188 C with an average velocity of 40 km/h during the night. Estimate the temperature of the tank after a 45-min period. Assume the tank surface to be at the same temperature as the water inside, and the heat transfer coefficient on the top and bottom surfaces to be the same as that on the side surface. Evaluate the air properties at 508C
The temperature of the tank after a 45-min period is estimated to be 30.908 K.
What is temperature?Temperature is a measure of how hot or cold something is relative to a standard reference point. It is typically measured in degrees Celsius (°C), Kelvin (K), or Fahrenheit (°F).
The rate of heat transfer can be estimated by using the following equation: Q = hA∆T
From the given data, the surface area of the tank is calculated as:
A = πr2 = π (0.25 m)2 = 0.19625 m2
The heat transfer coefficient for a windy environment can be estimated by using the following equation: h = 0.024V1/2, where V is the wind speed (m/s).
From the given data, the wind speed is calculated as: V = 40 km/h = 11.1 m/s
Therefore, the heat transfer coefficient is calculated as: h = 0.024 (11.1)1/2 = 0.92 W/m2K
The temperature difference between the air and the tank is calculated as: ∆T = (Tair – Ttank) = (288 K – 308 K) = -20 K
Therefore, the rate of heat transfer is calculated as:
Q = hA∆T = (0.92 W/m2K) (0.19625 m2) (-20 K) = -3.7 W
Since the tank is losing heat, the rate of heat transfer is negative.
From the given data, the mass of the water in the tank is calculated as:
m = ρV = (1,000 kg/m3) (0.095 m3) = 95 kg
The specific heat capacity of water is assumed to be 4,186 J/KgK.
Therefore, the temperature difference is calculated as:
∆T = Q/(mc) = (-3.7 W)/ [(95 kg) (4,186 J/KgK)] = -0.0089 K
Therefore, the temperature of the tank after a 45-min period is estimated to be 30.908 K.
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Discuss on forced convection heat transfer with real examples.
Answer:
forced convection
Explanation:
When a fan, pump or suction device is used to facilitate convection, the result is forced convection. Everyday examples of this can be seen with air conditioning, central heating, a car radiator using fluid, or a convection oven.
to submit tenders for a structure to help people safely cross the river at KwaDukuza The Thukela Municipality placed a tender request in the newspaper asking contractors village. Municipalities are not allowed to choose a contractor without giving as many contractors as possible a chance to apply. This is to stop anyone from being favoured over others, and to prevent corruption. Each contractor writes a tender document, which is a description of their plan for the project and shows how much they will charge to complete the work. The job is given to the contractor who presents the best plan at the lowest price. You are going to build a structure to help the community. Read the story again and then investigate the different bridges below to decide which structure will be the best solution for the problem.
Answer:
In general, the choice of bridge design will depend on various factors such as the location, the environment, the length of the span, the expected traffic, the budget, and the construction time. Different types of bridges, such as beam bridges, arch bridges, suspension bridges, and cable-stayed bridges, have different strengths and weaknesses, and are suitable for different situations.
Some factors to consider when choosing a bridge design include:
Span: If the river is wide, a longer span bridge such as a suspension or cable-stayed bridge may be required.
Location: The local geology, topography, and environmental conditions may dictate the type of bridge that can be built.
Budget: Some bridge designs are more expensive than others. A beam bridge may be the most cost-effective option.
Traffic: If the bridge will carry heavy vehicles or high volumes of traffic, a stronger, more durable bridge such as a cable-stayed bridge may be required.
Ultimately, the choice of bridge design will depend on a careful evaluation of these factors and the needs of the community. It is important to consult with experts and stakeholders to ensure that the chosen design is safe, effective, and meets the requirements of the project.
Explanation:
ANSWER : PONTOON BRIDGES
OR SUSPENSION BRIDGES
PONTOON BRIDGES:
take a bunch boats or rafts
tie them together
put a path/road on top of them
if a boat can carry a truck then so can a pontoon bridge
armies use them
smaller cost & safe
SUSPENSION BRIDGES:
source of strength its flexibility to wind,gravity, physical considerations
can be made of steel
but even cheaply with rope or jute etc.
When considering the strength in terms of load-bearing capacity and versatility, truss bridges are often considered to be the strongest type of bridge. Truss bridges are made up of interconnected triangles that distribute weight evenly across the structure, making them highly resistant to bending and compression forces. They are also relatively easy to construct using simple materials such as wood or steel, which may make them a more practical option for underserved communities.
That being said, arch bridges can also be quite strong and durable, as they rely on the inherent strength of their curved shape to distribute weight. Suspension and cable-stayed bridges, on the other hand, require more advanced engineering and construction techniques, and may be less feasible for communities with limited resources. Beam bridges are typically the simplest type of bridge, but may not be as strong or versatile as truss or arch bridges.
ChatGPT
FILL IN THE BLANK. ____is the order in which waveforms from each phase (A,B, and C) cross zero. (Current crest rotation; Harmonic sequence; Phasor rotation ; Harmonic degree)
Phasor rotation is the order in which waveforms from each phase (A, B, and C) cross zero.
In a three-phase electrical system, the voltage and current waveforms of each phase are offset by a specific angle from each other. This angle is called the phase angle, and it determines the relationship between the waveforms. The phasor rotation is the order in which the voltage or current waveforms from each phase (A, B, and C) cross the zero axis, which is also known as the reference or neutral line.
In a three-phase electrical system, the waveform of each phase completes one full cycle (360 degrees or 2π radians) within a given time period. The phasor rotation refers to the order in which each waveform completes this cycle, starting from the point where it crosses the zero axis.
For example, in a three-phase system, the voltage waveforms for each phase (A, B, and C) may be offset by 120 degrees from each other. This means that each waveform crosses the zero axis at a different time relative to the other waveforms. The phasor rotation refers to the order in which these waveforms cross the zero axis, as they complete one full cycle.
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Determine the location of the maximum bending moment. In the formula, w is the rate of load increase in lb ft and l is the length (in ft) of the beam. calculus
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On a plastic part the iso code:
what? is this a question or a statement?
2. What is the main job of a cylinder head?
OA. Contain the rapid increase in combustion chamber temperature
OB. Contain the rapid increase in combustion chamber pressure
OC. Prevent engine oil from getting past the pistons
OD. Hold the Head Gasket in place
Grade/Exit
Answer:
Explanation:
The cylinder head sits on the engine and closes off the combustion chamber. The gap that remains between the cylinder head and the engine is completed by the head gasket. Another task of the cylinder head is to ensure the constant lubrication of the cylinder
What are some of the most complex building types to design?.
if any part of a rt crane tire touches the ground before a lift you should
If any part of an RT (Rough Terrain) crane tire touches the ground before a lift, it is important to take the following steps:
Assess the situation: Determine why the tire is touching the ground. It could be due to an uneven or unstable surface, improper positioning of the crane, or other factors.
Ensure stability: If the tire touching the ground compromises the stability of the crane, it is crucial to address the issue before proceeding with the lift. Instability can lead to accidents and pose a risk to both personnel and equipment.
Adjust positioning: If the tire touching the ground is a result of improper positioning, carefully reposition the crane to achieve a stable setup. Use proper techniques and safety precautions during the repositioning process.
Evaluate the lift plan: Review the lift plan and consider whether any modifications or adjustments are necessary due to the tire touching the ground. Ensure that the crane's capacity and stability are not compromised.
Seek assistance if needed: If repositioning or stabilizing the crane is challenging, or if there are concerns about the lift's safety, seek assistance from a qualified crane operator, supervisor, or engineer.
Remember, safety is paramount when operating cranes. If any part of the crane tire touches the ground before a lift, it is essential to address the issue to ensure a safe and successful operation.
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