Physik
Kinematik, Kraftanalyse, Elektrizität und Gleichungslogik.
-
una esfera metálica tiene una densidad de 2,5 kg/metro cúbico y una mas…
5,0 metros cúbicos
-
when should you exercise extreme caution around power lines? select the…
Whenever you work around them
-
what are pneumatic tools powered by? select the best option. compressed…
Compressed Air
-
which of the following is the best example of heat transfer by conducti…
Heat traveling through a metal spoon in a hot bowl of soup.
-
in nursing, one procedure for determining the dosage for a child is chi…
\(155.45\)
-
which of these mobile technologies offers the fastest data access? 1g 4…
5G
-
what should you do to avoid caught - in or caught - between accidents w…
Never work in an unprotected trench more than five feet deep
-
osha requires employers to protect workers from pinning dangers by usin…
Create a clear travel path when loading materials
-
poor housekeeping exposes workers to several types of hazards, includin…
Hazards associated with harboring pests, such as rats or mice
-
drag the text blocks below into their correct order. mouth: the beginni…
Mouth, Pharynx, Esophagus, Lower esophageal sphincter, Stomach, Pyloric sphincter.
-
lee needs to move a large box of packing material across his warehouse.…
Ask for assistance in case he trips.
-
it is safe to keep a cylinder next to the actual welding or cutting ope…
False
-
which of these standards has the fastest connection? 802.11a 802.11b 80…
802.11ac
-
which of these is a type of ethernet? 4g 802.11ac 1000baset
1000BaseT
-
if an object is shot upward with an initial velocity, ( v_0 ), in feet …
\(106\) ft/s
-
7. a student used the graduated cylinder to the right to measure the vo…
D. No, the precision of this graduated cylinder is to the tens place.
-
question 1 of 10 careers in the ______ field are likely to pay among th…
A. STEM
-
which of the following statements about cylinder placement are true? se…
All the statements are true. So, "Cylinders containing oxygen or acetylene shall not be placed in confined spaces", "Cylinders should be placed as far away as possible from the we…
-
which of the following types of protective equipment protects workers w…
Visors
-
which of these application protocols provides a secure way of transferr…
SFTP
-
under what circumstances can cylinders containing oxygen or acetylene b…
Oxygen or acetylene cylinders should not be placed in confined spaces
-
which of these is a suite of protocols that governs how the internet an…
TCP/IP
-
30 in which situation would you expect the greatest rate of heat transf…
Large temperature difference and thin material with high thermal conductivity
-
which of the following are popular fuels used with oxygen for gas weldi…
Acetylene, Mapp gas, Hydrogen
-
how can you manage hazards associated with breathing in welding fumes? …
Using adequate ventilation.
-
each internet location has a unique ________ address. choose the answer…
IP
-
who should inspect a crane? select the best option. employer experience…
Competent person
-
during a crane inspection, which of the following must be inspected? se…
Clearance for swing radius, Slings, Load capacity, Wire rope wear and sheaves
-
24. why does steam at 100°c cause more severe burns than liquid water a…
Steam contains additional energy from the latent heat of vaporization ### Question 25
-
what part of the crane is an incline spar, strut, or other long member …
Boom
-
2. humans see a large portion of the total range of wavelengths. true f…
False
-
what part of the crane is used to lift and lower the load? select the b…
Hoist
-
1. light is the physical stimulus for vision. true false
True
-
warm-up: debugging html structure debug the following code? 1 <idoctype…
Missing `</head>`
-
warm-up: debugging html structure what is wrong with the following code…
Missing both closing and opening tag
-
warm-up: debugging html structure no content should be written after wh…
`<html>`
-
24. why does steam at 100°c cause more severe burns than liquid water a…
Steam contains additional energy from the latent heat of vaporization ### 25.
-
algebra skill review #2 score: 12/21 answered: 12/21 question 13 if an …
\( t = 0,2 \) seconds
-
if there is a small fire and the room temperature is only slightly incr…
Yes
-
18. a pressure gauge reads 30 psig. if atmospheric pressure is 14.7 psi…
18. 44.7 psia 19. Decreases 20. Isobaric
-
gina is about to use a fire extinguisher on a small fire. what factor d…
The type of fire.
-
click on the one organ listed below that is not part of the gastrointes…
Kidney
-
read the section of the \beat the heat\ infographic with the graphic of…
to inform the reader about how quickly temperatures can rise in cars
-
15. what is 77°f in kelvin? * mark only one oval. 318 k 288 k 308 k 298…
15. \(298K\) 16. \(540^{\circ}R\) 17. \(10.3\ psig\)
-
read the \who\ section of the \beat the heat\ infographic. what is the …
to inform the reader about who is most vulnerable to extreme heat
-
12. convert 86°f to celsius: * mark only one oval 25°c 35°c 30°c 40°c 1…
12. \(30^{\circ}C\) 13. \(0^{\circ}C\) 14. \(212^{\circ}F\)
-
9. which material typically has the highest specific heat capacity? * m…
9. Water 10. \(0.016\space ft^{3}/lbm\) 11. \( ho = 1/v\)
-
6. what is the latent heat of fusion for water? * mark only one oval. 1…
110 Btu
-
read the excerpt from president kennedys report to the american people.…
Anaphora to emphasize the lack of equality.
-
question 30 which logic function is represented by the equation abcd = …
B. AND
-
the graph below shows the noon temperatures for five days. (a) what was…
(a) \(71\) (b) Monday to Tuesday
-
for a moving object, the force acting on the object varies directly wit…
\(8\)
-
a hot star is more luminous than a cool star. true false
False
-
question 29 if one input of a two - input nand gate is tied to + vcc, t…
an inverter.
-
read the \did you know?\ section of the \beat the heat\ infographic. wh…
The US drought and heatwave cost the US thirty billion dollars.
-
the graph below shows the amounts of rainfall for six months. (a) what …
(a) 65 (b) April to May
-
what is the characteristic that determines the color of a star? tempera…
Temperature
-
question 27 74ls00 is a: single 8 - input or gate. quad 2 - input nand …
Quad 2 - input NAND gate.
-
read the \how to avoid\ section of the \beat the heat\ infographic. wha…
to inform the reader how to avoid heat - related death
-
question 26 when the inputs to a 3 - input and gate are 001, the output…
B. False
-
which type of decay involves the emission of a beta particle? delta dec…
Beta decay
-
question 24 the ground and power pins on a typical ttl 14 - pin dip are…
pins 7 and 14.
-
highlight the vague word or phrase in the thesis statement below. riley…
"everything"
-
alpha decay emits an alpha particle, while beta decay emits a beta part…
Alpha decay emits an alpha particle, while beta decay emits a beta particle.
-
which property determines a stars lifetime on the main sequence? lumino…
Mass
-
what is the symbol for a beta particle? 7/10
$\beta$
-
when does a star move off the main sequence? when helium begins to fuse…
When it stops fusing hydrogen into helium
-
if one input of an and gate is low while the other is a clock signal, t…
LOW.
-
what are the three main types of radioactive decay? alpha decay, beta d…
B. alpha decay, beta decay, and gamma decay
-
what is the symbol for an alpha particle?
\(\alpha\)
-
alpha decay gamma decay beta decay neutron decay which type of decay in…
Alpha decay
-
when the inputs to a 3 - input nand gate are 001, the output is 1. true…
B. False
-
an alpha particle can be stopped by______ 2/10 the air only gold a shee…
a sheet of paper
-
1. red stars have a temperature compared to blue stars. 2. larger stars…
1. lower 2. more luminous (brighter)
-
the uppercase letter q has an ascii code of 101 0001. what is the hexad…
A. 51
-
renaissance music overview the renaissance period of music happened fro…
1. B. 1400–1600 2. B. Lute 3. B. A song for a small group of singers 4. A. Music was smoother than the music of the middle ages.
-
question 19 the hexadecimal equivalent for 1100 1010 0111 1001₂ is: da8…
C. DA79
-
7. explain the structure of the electron cloud by... a. listing the num…
i. \(2\) ii. \(8\) iii. \(18\) iv. \(32\)
-
question 18 convert binary 1111101 to octal. 95₈ 275₈ 175₈ 761₈
C. \(175_{8}\)
-
our sun is a main sequence star. in this diagram, it has an absolute ma…
The Sun has an absolute magnitude of about \(5\) and a temperature around \(6000^{\circ}K\).
-
question 17 the decimal equivalent of hexadecimal 16 is _________. 32₁₀…
C. \(22_{10}\)
-
what term describes the balance between pressure and gravity in a star?…
hydrostatic equilibrium
-
question 16 the decimal equivalent of hexadecimal aa is ________. 165₁₀…
170₁₀
-
question 15 repeated division - by - 10 is used to convert decimal numb…
False
-
question 14 convert octal 107 to decimal. 97₁₀ 71₁₀ 77₁₀ 101₁₀
\(71_{10}\)
-
question 13 which of the following is an invalid bcd code? 1001 0011 01…
1101
-
convert hexadecimal 8b3f to binary. 1011001111100011 1000101100111111 0…
1000101100111111
-
question 11 convert binary 010101 to octal. 15₈ 5₈ 25₂ 21₈
C. \(25_8\)
-
question 10 parallel format means that no clock is needed. both binary …
C. each digital signal has its own conductor.
-
question 8 what is the period of a clock waveform whose frequency is 15…
6.66 μs
-
serial format means digital signals are sent in groups of eight signals…
C. sent over one conductor sequentially.
-
what is the frequency of a clock waveform whose period is 20 microsecon…
B. 50 kHz
-
2. explain the three forces at work that hold an atom together a. b. c.
a. Electromagnetic force (attracts protons and electrons). b. Strong nuclear force (holds protons and neutrons in the nucleus). c. Weak nuclear force (involved in nuclear processe…
-
question 3 which format can send digital information faster? parallel s…
A. parallel
-
identifying situations where convection occurs identify three situation…
Boiling water, radiator - heated room, ocean currents.
-
question 2 the clock waveform synchronizes all other waveforms in a cir…
True
-
nuclear fusion: inside a stars core, extreme heat and pressure cause sm…
The two hydrogen (\(H\)) labels should be labeled as "lighter element". The product (the larger nucleus) should be labeled as "heavier element".
-
question 1 a digital waveform that repeats itself at a fixed interval i…
True
-
when a scientist draws conclusions, they... reach out to colleagues for…
C. evaluate and interpret the results of their experiment.
-
2. units of measurement used to label a quantity of acceleration are: *…
2. d. cm/sec2 3. c. acceleration