Hello,
please the answers should be for A-LEVEL students.
thank you very much
Answer:
see attached for a diagram and loads
Explanation:
The mass of the man represents a downward force of ...
F = ma
F = (85 kg)(9.8 m/s²) = 833 N
at a point 1.5 meters from one support. In the attached diagram, the man is standing left of center, so is 1.5 m from the left support, and 4.9 m from the right support.
The mass of the beam represents a downward force of ...
F = (15 kg)(9.8 m/s²) = 147 N
This is effectively modeled by a force acting on the center of the beam, 3.2 m from each support. The distance between supports is 6.8 -2(0.2) = 6.4 m.
The net torque on the beam is zero. This means we can sum the torques at either support and set them to zero. If we let s1 represent the upward force supplied by the left pillar, and s2 the upward force supplied by the right pillar, the two torque equations are ...
torque = force × distance
CW torque about the left pillar: 833×1.5 +147×3.2 -s2×6.4 = 0
s2 = 1719.9/6.4 ≈ 268.7 . . . newtons
CCW torque about the right pillar: -s1×6.4 +833×4.9 +147×3.2 = 0
s1 = 4552.1/6.4 ≈ 711.3 . . . newtons
The magnitudes of the loads carried by the supports are 268.7 N and 711.3 N.
__
Check
For static equilibrium, the sum of upward forces must match the sum of downward forces:
268.7 +711.3 = 980 . . . . newtons (total of upward forces)
883 +147 = 980 . . . . . . . newtons (total of downward forces)
Q2- The figure below shows a closed tank holding water and oil. Air pressure is P kPa is
the air pressure above the oil. Calculate the pressure at the bottom of the container?
What is the pressure at the bottom of the container?
Use your last three digits of your ID the pressure values
0.25 m
Air
0.50 m
Oil
(sg = 0,85)
0,75 m
Water
18 m
1.2 m
ID:306
Answer:
The figure below shows a closed tank holding water and oil. Air pressure is P kPa is the air pressure above the oil. Calculate the pressure at the bottom of the container? What is the pressure at the bottom of the container? Use your last three digits of your ID the pressure values 355 0.25 Air 0.50 m O. isg 0.85 0.75 m Wat 1.8m 1.2m
Answer:
the air pressure above the oil. Calculate the pressure at the bottom of the container?
What is the pressure at the bottom of the container?
Use your last three digits of your ID the pressure values
0.25 m
Air
0.50 m
Oil
(sg = 0,85)
0,75 m
Water
18 m
1.2 m
ID:306
Explanation:
the air pressure above the oil. Calculate the pressure at the bottom of the container?
What is the pressure at the bottom of the container?
Use your last three digits of your ID the pressure values
0.25 m
Air
0.50 m
Oil
(sg = 0,85)
0,75 m
Water
18 m
1.2 m
ID:306
Anew student in your class has something different about his appearance. No one wants to sit beside him. You step forward and decide to sit next to him and make him feel comfortable and welcoming. This is an example of:
Answer:
approaching a lady or a man
Select the correct answer.
Which responsibility belongs to the Coast Guard?
ОА.
to save people promptly in case of earthquakes through efficient disaster management
OB.
to provide national security through offensive and defensive combat techniques via the airways
O C.
to take part in wars under the US Navy
OD.
to offer law and order to the public through peaceful protests and actions
Answer:
The Coast Guard is the nation's oldest continuous seagoing service with responsibilities including search and rescue (SAR), maritime law enforcement (MLE), aids to navigation (ATON), ice breaking, environmental protection, port security and military readiness.
Explanation:
there
Tires can be recycled instead of thrown out.
True
False
Answer:
True :)
Explanation:
You can recycle it! Tire recycling is the most practical and environment-friendly way of disposing of old and worn-out tires. Due to their inherent durability, large volume and environment and health risks, tires are one of the most problematic sources of solid wastes.
Hope it helped have a nice day! :)
What does the line strung between the batter boards represent?
Batter boards (or battre boards, Sometimes mispronounced as "battle boads") are temporary frames, set beyond the corners of a planned foundation at precise elevations. These batter boards are then used to hold layout lines (construction twine) to indicate the limits (edges and corners) of the foundation.
Nêu các kí hiệu và kích thước của các
khổ giấy chính ?
Answer:
sorry I can't understand your language
Explanation:
what is the fastest spacecraft ever created
Answer:
NASA solar probe becomes fastest object ever built as it 'touches the sun'
☞Fastest human-made object: 244,255 mph (393,044 km/h).
☞Closest spacecraft to the sun: 11.6 million miles (18.6 million kilometers).
☞The Parker Solar Probe is a NASA space probe launched in 2018 with the mission of making observations of the outer corona of the Sun. It will approach to within 9.86 solar radii from the center of the Sun, and by 2025 will travel, at closest approach, as fast as 690,000 km/h, or 0.064% the speed of light.
☞ It was launched on 12 August 2018 .
☞ it's price was 1.5 billion USD ( in 2018 )
☞ it was manufactured in
' Applied Physics Laboratory ' .
source of energy in wind power
The energy in which wind is used to generate electricity is known as wind energy. Wind turbines convert the kinetic energy in the wind into mechanical power. This mechanical power is then used for various purposes. Wind energy is a free and renewable resource. It is a clean and non-polluting source of energy.
component of earthing and reasons why each material is being used
Answer:
The components of earthing are Earth electrode, Main earthing terminals/bars, Earthing conductors, Protective conductors Equipontential binding conductors and Electrically independent electrodes.
why exam is important in our life
Answer:
I am also finding this ans but it is difficult
Explanation:
well to live in this world exam r important
we have to come with every difficulty
so that we can learn
Explanation:
Exam gives the result that what you learnt
And for Education exam is main
without Education everything is very difficult
Which of the following describes the purpose of project management?
Answer:
The purpose of project management is to help you foresee the risks and challenges that could derail the completion of a project. It applies proven methodologies and uses current software tools so you can plan, control, and monitor people, processes, and other components needed to make your project a success.
What is the latest space exploration rocket?
Answer:
NASA's Space Launch System will be the most powerful rocket we've ever built. When completed, SLS will enable astronauts to begin their journey to explore destinations far into the solar system.
Chọn dữ liệu phù hợp và biểu diễn chúng dưới dạng biểu đồ, từ đó cho biết 3 yếu tố
mà người dùng xem xét nhiều nhất khi mua một chiếc tablet.
Answer:
Please explain it in English so that i can help you or you need someone who can speak Vietnam help you
What is the number for account receivable?
Answer:
113 or 1-1300
Explanation:
Account receivable => Current Assets (11)
For receivable => 3
So, the number for account receivable is 113
Answer:
113
Maybe thats the answer for this question
Q.1 I am Brainliest ok what you are
Answer:
A hotdog :P
And potato :3
the weight of the frame, body, and engine is supported by the springs is called what?
it is called supported mass :)
If you answer the whole question and show your work/coding I will rate 5 stars/brainliest!!! Walnut Orchard has two farms that grow wheat and corn. Because of different soil conditions, there are differences in the yields and costs of growing crops on the two farms. The yields and costs are shown in the following table. Each farm has 100 acres available for cultivation. 11,000 bushels of wheat and 7,000 bushels of corn must be grown. Please have an LP model to minimize the total cost while meeting the demand and solve it with Lindo or Excel. You need to have all parts of a model: notation, objective function, constraints, and sign restrictions.
Answer: 18,100
Explanation: two farms that grow wheat and corn.
I will rate 5 stars/brainliest if you help me!!! A company produces A, B, and C and can sell these products in unlimited quantities at the following unit prices: A, $10; B, $56; C, $100. Producing a unit of A requires 1 hour of labor; a unit of B, 2 hours of labor plus 2 units of A; and a unit of C, 3 hours of labor plus 1 unit of B. Any A that is used to produce B cannot be sold. Similarly, any B that is used to produce C cannot be sold. A total of 40 hours of labor are available. Formulate an LP to maximize the company’s revenues. (Please solve the LP with Lindo or Excel).
Answer: 0
Explanation: i need to add it up to get what u want
An enclosed parts washer does not wash, rinse, and dry.
True
False
Answer:
false cause a parts washer doesn't wash , rinse or dry
___________ are used in an automotive shop and can be harmful to the environment if not disposed of properly.
Oil filters
Fluorescent lamps
Mercury-containing lamps
All of the above
Answer: D all above
Explanation:
Jus done it
1. types of ecosystem ?
2. explain each ecosystem
The oil system is:
The pistons and chambers
Anything in the engine that motor oil touches
The camshaft and lifters
The dipstick
Answer:
From the main bearings, the oil passes through feed-holes into drilled passages in the crankshaft and on to the big-end bearings of the connecting rod.
Liquid water flows isothermally at 20°C through a one-inlet, one-exit duct operating at steady state. The duct’s inlet and exit diameters are 0.02 m and 0.1 m, respectively. At the inlet, the velocity is 10 m/s and pressure is 1 bar. At the exit, determine the mass flow rate, in kg/s, and velocity, in m/s.
The continuity equation allows finding the results for the speed and flow of the outlet pipe are:
Q = 3.14 kg / s v₂ = 0.4 m / s
Fluid mechanics studies the movement and fluid dynamics, it is described by two fundamental relationships:
The Bernoulli equation that an expression of the energy conservation[tex]P_1 + \frac{1}{2} \rho v_1^2 + \rho g y_1 = P_2 + \frac{1}{2} \rho v_2^2 + \rho g y_2[/tex]
Where P is the pressure, v the velocity, y the height, the subscripts are two selected points of interest in the pipe.
The continuity equation which is an expression that our principle of mass conservation for fluids
[tex]A_1v_1 = A_2 v_2[/tex]
Where A₁ and A₂ is the area of the inlet and outlet pipes and v₁ and v₂ are the velocities of the fluid at the inlet and outlet
They indicate the inlet and outlet diameters of the pipe are d₁ = 0.02 m and d₂ = 0.1 m, the inlet velocity v₁ = 10 m / s, with the continuity equation let's find the outlet velocity
[tex]v_2 = ( \frac{A_1}{A_2} )^2 \ v_1[/tex]
the cross section of the tavern is
A = [tex]\pi r^2 = \pi \ d^2/4[/tex]
Where r is the radius and d is the diameter
Let's substitutes
[tex]v_2 = (\frac{d_1}{d_2} )^2 \ v_1[/tex]
[tex]v_2 = (\frac{0.02}{0.1} )^2 \ 10[/tex]
v₂ = 0.4 m / s
The flow (Q) is defined as the amount of liquid that passes through the section of the pipe per unit of time, we can see that this is the same conservation of mass, therefore
Q = A v
Q = [tex]\pi \frac{d_2^2}{4} \ v_2[/tex]π d2 ^ 2 v2
Q = [tex]\pi \ \frac{0.1^2}{4} \ 0.4[/tex]
Q = 3.14 10⁻³ m ^ 3 / s
As the transported liquid is water
1 liter water = 1 kg
Consequently
1 m³ = 1000 liter = 1000 kg of water
Let's reduce the flow
Q = 3.14 10⁻³ m³/s ( [tex]\frac{10^3 kg}{1 m^3}[/tex] )
Q = 3.14 kg / s
In conclusion using the continuity equation we can find the results for the speed and flow of the outlet pipe are:
v₂ = 0.4 m / s Q = 3.14 kg / s
Learn more here: brainly.com/question/14747327
How many volts of alternating current passes through the electrolytic capacitor
Answer:
The capacitor in its conventional form is constructed from two electrically conducting metallic plates facing each other and separated by an electrically insulating medium.
two technicians are describing how an air-conditioning system gets rid of the heat. Technician A says that heat always flows from the hotter to the colder object. Technician B says that as refrigerant evaporates, it absorbs heat as it changes from a liquid to a gas. which technician is correct?
Based on the information provided by these technicians, both of them are correct.
How does heat flow?According to heating, ventilation, and air conditioning (HVAC), heat in an air-conditioning system generally flows from the hotter object to the colder object.
As the refrigerant evaporates in a small radiator-type unit (evaporator), it absorbs heat as it changes phase from liquid to gas. Also, as the heat is being absorbed by the refrigerant, the small radiator-type unit (evaporator) becomes cold.
In conclusion, we can logically deduce that both of them are correct.
Read more on heat flow here: https://brainly.com/question/16055406
#SPJ1
It is illegal to improperly dispose of antifreeze.
True
False
Answer: True
Explanation:
It is illegal to dispose of antifreeze in the trash, ground, or storm drains.
Answer:
true
Explanation:
Which of the following is a characteristic of a basic hydraulic
system?
Answer:
hydraulic fusis,filters,wear resistance,compressibility,viscosity.
Explanation:
viscosity is a measure of an hydraulic fluid resistance to flow
One: the Church is one. This means that it is a single, united and global Church which has its basis in Christ Jesus. Holy: the Church is holy, because it is the Body of Christ with Jesus as the head. ... Apostolic: the origins and beliefs of the Church started out with the apostles at Pentecost.
Answer:
amen?...............
A liquid mixture containing 0.45 mol fraction of heptane and 0.55 mole fraction ethyl benzene is fed as saturated vapor to a distillation column at a flow rate of 200 kgmol/h for product separation. The distillation operates at 1 atm (absolute). The recovery of heptane (to the distillate product) is 95% and the required heptane purity in the distillate is 0.98 (mole fraction). Calculate the following:
a. The distillate and bottom flowrates
b. The minimum reflux ratio
c. The minimum number of stages
d. The number of stages at a reflux ratio of 1.5Rmin