flammability is a material’s ability to burn in the presence of? A)hydrogen B)nitrogen C)oxygen D)carbon dioxide I think the answer is A am i right?
A simple lever is used to lift a heavy load. When a 58-N force pushes one end of the lever down 1.1 m the load rises 0.14 m. How much work is done by the 58-N force? What is the gain in potential energy of the load? How does the work done compare to the increased potential ...
I have 10g of magnesium oxide that I heat to make 6g of magnesium and oxygen. how much oxygen is made? What kind of change is this, physical or chemical? why did you pick your answer? Explain in 2 sentences
Physical science check answers
1. Imagine that you pushed a box, applying a force of 60 newtons, over a distance of 4 meters. How much work have you done? 15 joules 56 joules 64 joules 240 joules*** Question 2 (Multiple Choice Worth 2 points) Which statement best describes the relationship between atoms and...
Which of the following most directly resulted from the Neolithic Revolution? •Populations increased. •Complex cultures blended. •Religion became less important. 2. Which of the following best describes the emergence of social classes in early civilizations? •People ...
Which of the following is the definition of ecology? -the social movement with a goal to protect the environment -the recycling of human-made materials to reduce the waste going into landfills -the study of interactions among organisms and between organisms and their ...
5. Assume you have a 45°C 100g block of gold (cp=0.129J/g°C) and a 150°C , 150g block of silver (cp=0.240J/g°C)(1). You place these blocks into an adiabatic container in thermal contact. a. Calculate the final temperature b. Calculate the heat transferred c. Describe how ...
To pass a slow vehicle within the length of the passing lane roger got up well over the speed limit . He then spotted a police cruiser coming around the corner and hit the brakes . If he braked at 6 m/s^2 , and it took him 1.50 seconds to get back to 40 m/s , what speed had he...
Anesthesia services for closed treatment of fracture of numerous;patient is 85 years old,but healthy.Provide the code(s)and physical status modifier.
Which of the following describes the operating system? A - It commands and controls all of the hardware and other software applications ** B - It contains the circuitry that processes the information coming into the computer. C - It is one of the physical components of the ...
A pure gold bar is made up of 19.55mol of gold. What is the mass of the bar in grams?
Do you think the copper and zinc underwent a physical change or a chemical change?
You drop a water balloon off of a tree branch, and you time the drop time at Δt = 0.8 sec, from the instant you drop it to the instant it impacts the sidewalk. What is the height of the tree branch?
Which of the following is an appropriate cue for running? (Points : 1) bend your knees drive the arms strongly step-close push off with toes
1. The way in which your emotions affect your physical and overall health is part of? Setting goals. heredity. The mind-body connection. (MY ANSWER) Your cultural environment. 2.In order to make healthy choices, You must to _______ risks. Ignore. Advocate for.(MY ANSWER) ...
Which part of the health triangle includes sharing feelings with others A) physical B) social*** C) mental and emotional D) monetary My second answer would be mental and emotional
What are the physical aspects of sound?
Physical science check my answers
5. Steve's older brother got this cool new car. He said it can go from a stopped position to 80 miles per hour in ten seconds. His brother is describing the car's A. acceleration. *** B. average velocity. C. instantaneous speed. D. average speed. 6. Radar devices are used by ...
Physical science check my answers
2. On my bike, I was able to travel 40 miles in one hour. From this information, we can determine the bike's A. speed. *** B. velocity. C. acceleration. D. direction. 3. The local news team is tracking the storm and has reported that it is traveling north, northwest at 20 ...
Your life expectancy can be related to the overall well-being of your body, your mind, and your relationships with other people. (true ***) or false Which side of the health triangle corresponds to having loving relationships with other and giving and accepting health? ...
Two charged spheres P and Q have charges of+3C and -6C respectively.how far apart must the spheres be placed so that they exert an electrostatic force of 5 N on each other
How many significant figures should the product 62.25 * 37.4 have ? a-2 b-3 c-4 d-7 my answer is c or 4
Your environment includes which of the following? Select only 2 responses. Social conditions.(MY ANSWER) Physical conditions. Advocacy.(MY ANSWER)
A 1.00M sucrose solution freezes at -1.8 degree Celsius. What is the freezing point of 1.00M glucose solution?
Which side of the health triangle corresponds to having loving relationships with others and giving and accepting help? A. physical health B. mental and emotional health C. social health D. non of the above I think b or c.
A particle executes simple harmonic motion with an amplitude 4cm. At what displacement it's energy is half kinetic energy and half potential
What are 2 allotropes of carbon? Could you please compare the physical and chemical properties....
Sodium azide fully decomposes at 300 degrees celcius at a volume of 3,5 cubic decometer,calculate the mass of sodium azide pellets used
Green light has a frequency of about 5.3Hz×1014Hz. Using the relationship c=fλ, find its wavelength in air.
which sibstance has the least number of drops that can fit on the coin?
which physical quantity is given under the area of velocity time graph?
pharmaceutical physical chemistry
find the density of NH3 gas at 100celsius when confined by a pressure of 1600mmHg
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if he wishes the estimate to be within four percentage points with 99 % confidence, ...
A 100-g chunk of 72 ∘C iron is dropped into a cavity in a very large block of ice at 0∘C. What is the mass of ice that melts. (The specific heat capacity of iron is 0.11 cal/g⋅∘C.).
Evaluate the physical;social and economic consequences of Jacob Zuma how did this corruption and fraud of nepotism;stealing country'resources favoritism etc impact negatively in South Africa for example service delivery;tax;expenses of trial
How does social and emotional development affect physical development?
Many people mistakenly believe that the astronauts who orbit Earth are "above gravity." Earth's mass is 6×1024kg, and its radius is 6.38×106m (6380 km). Use the inverse-square law to find a height above Earth's surface at that the force of gravity on a shuttle is about 89 % ...
A penny on its side moving at speed v slides off the horizontal surface of a table a vertical distance y from the floor. If the speed is 3.1 m/s and the coffee table is 0.30 m tall, find the distance the coin lands from the base of the table. (Use g=9.8m/s2.).
Using the formula for gravity, find the force of gravity on a 0.80-kg mass at Earth's surface. (The mass of Earth is 6×10^24kg, and its radius is 6.4×10^6m.).
The A note has a frequency of 880 Hz. What is the wavelength if the speed of sound is 343 m/s? 0.39 m 2.57 m 537 m 301,000 m Which speed(s) is/are below the sound barrier in air? A. 257 m/s B. 1,030 m/s C. 10 m/s
Physical Science Please Check Answers?
I have difficulties understanding physical science and I'd really appreciate it if someone would check over the answers of my practice quiz. I have a test coming up and I really don't want to fail it. I marked my answers with a ******. Thank you in advance! 1. A transverse ...
Physical Science 8th Grade
1. What is the resulting direction of a surface wave? Is it perpendicular, parallel, opposite, or circular? 2. What happens when a mechanical wave travels through a medium? What is transferred - mass, particles, energy, or waves? 3. Which of these waves cannot travel in a ...
An 85.0 kg man playing hockey catches a puck moving at 25.0 m/s. The man is initially at rest. The man and the puck move together after the collision. The puck's mass is 0.16 kg. What is the final velocity? A. 4.00 m/s B. 1.00 m/s C. 13.6 m/s D. 0.05 m/s
An 85.0 kg man playing hockey catches a puck moving at 25.0 m/s. The man is initially at rest. The man and the puck move together after the collision. The puck's mass is 0.16 kg. What is the final velocity?
A food company uses a calorimeter to measure the amount of heat produced whena breakfast food is burned. The temperature of 100 ml of water changes from 10 degrees celcius to 45 degrees Celcius. How many calories are released?
CALCULATE THE ENERGY OF A PHOTON OF RED LIGHT
you are riding in a car traveling at 60mi/hr in a 50 mi/hr zone. you spot a policeman 10 feet ahead. you slow down with an acceleration of -2ft/sec2 for 3 seconds. Do you get a ticket
If your mass is 76kg, find your acceleration.
Can you summarize this case study 300 words minimum? Overview Hospital A: Porter Regional Medical Center (PRMC) Located on the east side of town, Porter Regional Medical Center (PRMC) was a for-profit hospital, consisting of 110 hospital beds, 8 of which were reserved for ...
4mm=0.004m 2cm=0.02m 2kg=2000g 4kg= ____m 2) 5 physical senses and why their considered physical -touch,hearing,smell,taste,sight their considered physical because The nervous system has a specific sensory system or organ, dedicated to each sense?
Diamond is a covalently bonded substance made of pure carbon. Each carbon atom has six total electrons so this means carbon shares ________ electron(s) with other carbon atoms. A) one B) two C) four D) six Help Please!
Some physical properties of water are shown below: melting point 0.0°C boiling point 100.0°C specific heat solid 2.05 J/g·°C specfic heat liquid 4.184 J/g·°C specific heat gas 2.02 J/g·°C ΔH° fusion 6.02 kJ/mol ΔH° vaporization 40.7 kJ/mol 80.0 kJ of heat ...
Write on the physical properties of benzene
Name the intermolecular forces in each of the above mentioned substance and water
Explain why the surface tension of water is greater than that of methylated spirit?
Which one of the following individuals is most likely to engage in leisure-time physical activity
Read the following lines from the Odyssey: In the next land we found were Cyclopes, giants, louts, without a law to bless them. By implication, what cultural value in ancient Greece is Odysseus emphasizing in this passage? A. physical strength B. civilized life in a law-...
What is the meaning of the bold print word in the following quote? “That spiritual and physical oneness we all share with this common homeland explains the depth of the pain we all carried in our hearts as we saw our country tear itself apart in terrible conflict, and as we ...
How much heat is necessary to change 305g of ice at -11c to water at 20c
There are many different ways to physically treat a medical condition rather than using prescribed drugs, select the method that apply below Answer Are Psychological Therapy*** Physical Therapy Cardiac Rehabilitation Massage Therapy*** there are three right answers. I think ...
Physical Education: Just checkin' if they're right
I'm on my last questions and I gotta check if this question is correct: _______ is the most commonly used stroke for swimming Dog Paddle? The highest possible total score in a game of bowling is ______ 300?
A person who has physical craving or strong emotional need to use alcohol is showing signs of a- reverse tolerance ** b- tolerance c- rehabilitation d- addiction
A. Weaken if under stressful conditions for an extended period of time B. Physical ailment caused by stress C. Positive stress D. Releases by the liver to increase the body's energy E. Produce the hormones adrenaline and cortisol F. Emotional or physical strain caused by ...
The physical, social and economic consequences of president Jacob Zuma's corruption and fraud
John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. How much work must be done on the sail?
An alpha particle is identical to A) a neutron B) a helium nucleus C) an electron or D) a hydrogen nucleus
evaluate the physical, social and economic consequences of this crime to the offender. how did this corruption and fraud impact negatively in the country: 1 to 2 pages please help me
Career Research and Decision Making
jermaine wants to find a career that involves a lot of physical activety and risks. For jermaine exciting work is?
Evaluate the physical,social and economic consequences of this crime to the offender.how did this corruption and fruad impact negatively in the country For example service delivery, tax etc
evaluate the physical,social and the economic consequences of this crime to the offender.how did this corruption and fraud impact negatively in the country:example service deliverx tax,expense of trial,etc.
When sodium metal combines with chlorine gas, solid sodium chloride forms. is this a physical or chemical change?
Evaluate the physical,social and economic consequences of this crime to the offender and how did this corruption and fraud impact negatively in the country?
Evaluate the physical ,social and economic consequences of this crime of fraud offenders.how did this corruption and fraud impact negetively in the country for example service delivery,tax,expense of trial?
The physical,social and economic consequences of Nkandla to the offenders and how did Nkandla impact negatively in SA
A car traveling at 22 m/s starts to decelerate steadily. It comes to a complete stop in 13 seconds. What is its acceleration?
Evaluate the physical, social and economic consequences of this crime to the offender. How did this corruption and fraud impact negatively in the country example service delivery,tax,expenses of trial?
Evaluate the physical social & economic consequences on Jacob Zuma regard to Nkandla
A BALL IS DROPPED (V=0) FROM A TOWER 7 M HIGH. HOW FAR WILL THE BALL HAVE FALLEN AFTER AA TIME T1=1 S, T2=2S AND T3 = 3S.
Anorexia is considered a _______ disorder physical social predatory psychological***
Is magnitude of displacement is greater than the distance travelled by an object?
Complete and balance the precipitation reaction. Include physical states in your answer. CuCI2(aq)+Na2CO3(aq)
9th grade Physical Science
Two dogs are fighting over a rope. The first dog is pulling with 10N to the right. The second dog is pulling with 15N to the left. Which way will the rope move?
how does pumice ejected from a volcano affect the physical environment
health and physical
your digestive system has three main functions:digestion, absorption and elimination. in which organ dose absorption begin? a. mouth*** b.stomach c.small intestine d.gallbladder i think a.mouth
health and physical
the noise diaphragm and lungs are part of the _____ system A. circulatory B. excretory C.nervous D.respiratory
Science test review
Here are all the word you can use I need help chemical property mixture heat capasity homogeneous viscosity sublimitation physical property compound chemical formula substance density mass tempurature pressure heterogenerous 14. A property of matter describes its ability to ...
a page that x inches wide & y inches high contains 26 square inches of print. the margins on the top & bottom are 1.5 inches deep and the margins in the sides are 1 inches wide. a. sketch the situation above b. find the total area of the page c. find the domain based on the ...
kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe into two columns. How would you label each column? A.) Column A shows sublimation; column B shows vaporization B.) Column A shows vaporization; column B shows sublimation C.) Column A shows ...
What is anything that has mass and takes up space? 1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of mercury, you are investigating a ____. 1) Chemical change 2) Chemical property 3) Physical change 4) Physical property An object weighing 90 N has ...
Assess the extent to which bad road use has a direct impact on the physical,emotional,social and economic aspects to the family,the community and the country
Evaluate the physical,social and economic consequences of this crime to the offender
The question below is based on the recent corruption activities by our former president Jacob Zuma related to Nkandla. Evaluate the physical, social and economic consequences of this crime to the offender. How did this corruption and fraud impact negatively in the country: for...
Risk Factors A.refers to bring in good shape or physical condition B.the process and functions of the body C.social needs, social behavior, and social problems D.traits that increase the possibility of developing an illness or disease
(Arts/Theater)(Stuck on what to do) Help please?
My improvisation teacher today told us to bring something with us to class where you can do a physical action with it. This action must be something you can do in barely 10 minutes and must have an actual ending to that action. We're doing this assignment tomorrow and I have ...
evaluate the physical,social and economic consequences of fraud or corruption to the offender.how did corruption and fraud impact negatively in the country
The bullet strikes a stationary of 5kg wooden block fixed to a flat,horizontal table.the bulletis brought to the rest after travelling a distance of 0,4m into the block.calculate the magnitude of the average force exerted by the block on the bullet
Evaluate the physical,social and economic consequences of this crime to the offender.how did this corruption and fraud impact negatively in the country
A satellite is orbiting around a planet. its velocity is found to depend upon a.)Radius of orbit b.)mass of planet c.)universal gravitational constant(G) Using dimensional analysis find an expression relating orbital velocity to the above physical quantities
Evaluate the physical social and economic consequences of this crime to the offender. How did this corruption and fraud impact negatively in the country: for example service delivery, tax, expense of trial
Evaluate the physical,social and economic consequences of fraud and corruption impact negatively in the country For example service delivery,tax,expense of trial