# Physical Education

Chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...

physical science
Explain using newtons first law why traveling car using a rope is dangerous compared using a steel car

Physical
A 0.140-kg baseball traveling 38.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0cm .What was the average force applied by the ball on the glove?

chemistry
What physical properties of calcium chloride, citric acid, sodium iodide, potassium iodide, and sucrose have in common?

Physical sciences
Two girls drag a bag across the floor one girl exerted a force of 10N and the other girl a force of 30N in the same direction:CALCULATE THE RESULTANT FORCE ON A BAG

Physical sciences(Mechanics)
A tractor pulls a tree trunk across a horizontal piece of ground.If the force in the chain is 3000N and the chain forms an agle of 30 degrees with the ground,calculate:The forces with which the tree is pulled across the ground.

Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the following: (a) the range, (b) the variance, ...

Physical Science
Explain the energy conversions that occur as a basketball falls, hits the ground, and bounces back up. Ignore frictional forces.

Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78

physical science
a weigh lifter raises a 70-kg barbell from the floor to a height of 2.2 m in 1.2s what was his average power output during the lift?

why is the book "the stranger" by albert camus considered a classic? is it morality, effective language, truthfulness, universality, timelessness here a bit about this: Meursault learns of his mother's death. At her funeral, he expresses none of the expected emotions of grief...

English
I am writing a paper for my research class and I am not sure I am using the right word in the sentence below. (This can include mental, physical, and emotional abuse that any member of a family conflicts on to another member of the family.) I am not sure that “conflicts” ...

physical science
A rock thrown straight up climbs for 4.24 s, then falls to the ground. Neglecting air resistance, with what velocity did the rock strike the ground?

help pls asap!!!!! check my answers!!! 4.) A certain object has a volume of 25.0 mL and a mass of 100g. What is the density of the object? a)0.250 g/mL b) 4.00/mL*** c)125 g/mL d) 2500 g/mL 5.)Which of the following is a chemical property of aluminum? a)The melting point of ...

Excess body fat may cause... Answer choices: 1. diabetes, lack of stored energy, stroke, and heart disease. 2. lack of organ protection, osteoarthritis, and hyper tension. 3. sleep apnea, lack of organ protection, and liver disease. 4. stroke, infertility, sleep apnea, and ...

Physics
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating along the spring is a ...

physical science
How much time is needed for a car to accelerate from 8.0 m/s to speed of 22 m/s if the acceleration is 3.0 m/s^2?

Physical Science
How does the potential energy of an object change when its height is tripled?

Physics
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating along the spring is a ...

Science
1. Which of the following is true about mixtures? (1 point) Mixtures consist of two or more substances chemically combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. ***Mixtures have two or more substances mixed together, but ...

Science ~ Structures and Properties of Matter
1) Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by physical means. C. both ...

1) Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by physical means. C. both ...

Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical means. C.) both ...

Physical Science
A machine you designed has an efficiency of 60%. What happens to 60% of the work put into the machine, and what happens to the other 40%?

Physical science
State the mathematical relationship between the net force acting on an object and the time taken to change the objects momentum

Science
Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small and can contain small rocks. It also has thick, muscular walls. Based on this physical description, which of the following is most likely to be the ...

Ms.Sue is this better?
In the article The String Theory, by David Foster Wallace, there were three writing techniques that I noticed Wallace used. First, I think Wallace was informative and explanatory. He explained why there are some professional tennis players who are unknown and obscure to the ...

Hi for my analysis on The String Theory by David Wallace Foster I had to discuss 3 writing techniques the author used and give an example. Can I please get it proofread? After reading the article The String Theory, by David Foster Wallace, there were three writing techniques ...

Chemistry
Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the product species, ...

Physical Science
A 50.0-kg wolf is running at 10.0 m/sec. What is the wolf's kinetic energy? A) 5 J B) 500 J C) 5000 J D) 250 J E) 2500 J

physical
Finding the resultant in th x direction ,Rx and y for the following forces f1 =1,5N in the positive x direction

physical acience
Compute the density in g/cm3 of a piece of metal that has a mass of 0.360 kg and a volume of 74 cm3.

physical sciences
what are the maximum and minimum resultants of the two forces?

Physical Science 9
What is the chemical equation for the rusting of iron carbide. I tried it myself,but I ended up with iron hydroxide rather than iron oxide. Help, Please, and thank you.

Physical Education

Physical Education
Please for five disadvantages and advantages of spectators and a list of organization responsible for physical education. Thank you

physical sciences
two forces of 5N and 7N respectively act on an object. When will the resultant of the two vectors be at the maximum?

physical science
when will the resultant of the two(5N ,7N)vectors be at maximum?

Pre-Calc
A page that is x inches wide and y inches high contains 30 square inches of print. The top and bottom margins are 2 inches deep, and the margins on each side are 2 inches wide. a. draw a diagram that gives a visul representation of the problem. b. show that the total area A on...

Phys/Ed
1. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. (1 point) balance coordination power speed 2. At the paintball field, Wynonna is always the first one on her team to be hit with the paintball and put out ...

Physical Science
1) Carbon dioxide is obtain from the air and changed into carbohydrates oxygen during the process of fossilization. respiration. digestion. photosynthesis. 2) Which sequence of processes must occur for an atom of carbon to go from car to tree? respiration, decomposition. ...

Physical Geography
Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and the SAR is 3.3 F/...

maths, physical science , life science , geography
Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects

English
Circle the main idea and underline the controlling idea in each of the following topic sentences. 1. Exercising three times a week is the only way to maintain good physical health. 2. Sexism and racism are still rampant in today’s workplace. 3. Raising the legal driving age ...

English
Have you ever wanted to give up on something before you even started? That’s how Raja felt as he squinted up at the looming mountain crowned in clouds. Then he looked back at the group of boys behind him. “Are you all ready?” one of their leaders, Max’s dad, shouted....

Phy. Ed
I have to do two physical activities. The second activity should be one that would improve my performance in the first one. Does anyone have any ideas of activities I can do at home?

physical sciences
Two forces of 5n and 7N respectively act on an object. (A)when will the resultant of the two vectors be at a maximum? (B)when will the resultant of the two vectors be at a minimum? (C)when are the maximum and minimum resultantof the two forces?

physical sciences
Two forces of 5N and 7N respectively act on an object. (A)when will the resultant of the two vectors be at a maximum? (B)when will the resultant of the two vectors be at a minimum? (C)what are the maximum and minimum resultant of the two forces?

science help asap!!!
Hi, can someone check my answers asap!!? i am on a deadline!! 1. What doe the notation TT mean to geneticists? (1 point) two dominant alleles heterozygous alleles at least one dominant allele one dominant and one recessive allele 2. An organisms genotype is (1 point) its ...

Chemistry
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. O2M(s) ----> M(s) +O2(g) delta G= 290.5 Kj/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the chemical ...

Physical Science HELP
Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE? 3...

Physical Science
Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE? 3...

Literature Essay (Writeacher and/or Ms.Sue)
What are your opinions? Have I written according to the topic I was give? "Write an essay explaining in what ways people today are more fearful than people in past generations. You may use examples from real life, the selection you just read, books, movies, or television shows...

Which physical properties are characteristic of nonmetal solids? Choose all that apply. A) brittle B) little luster C) malleable D) ductile E) good conductors of heat A row of elements on the periodic table is called a(n) A) group. B) period. C) valence. D) orbital. My answers...

integrated physics and chem
Element A and element B have bonded and formed compound AB. Which of the following statements is true? A. Compound AB has chemical and physical properties that are completely different from those of A and B. B. Compound AB has chemical and physical properties that are a blend ...

physical science
A car travels through a school zone at a speed of 36 m/s was the 45 mi/h speed limit exceeded? yes or no

physical education
A marathoner is trying to improve her skill at pacing herself during her races. Select the best technology tool available to help provide feedback to the runner so that she doesn't burnout too fast at the beginning of this grueling competition A.pedometer B.spreadsheet ...

physical education
Your training partner has stopped pedaling during the spinning class you are both taking. She wants to check her exercise intensity level. You have a piece of exercise technology for this job and can continue to pedal while keeping tabs on your workout progress. Select the ...

physical education
Tomas struggled to bend over and tie his shoes the other day. He also noticed that the waist band was a lot tighter on his favorite pair of jeans. Tomas may be experiencing an inadequate level of which health-related fitness area? A.body mass index B.power C.muscular strength ...

Cultural Diversity
Hello could you please check my answers thanks. I don't have my book. People who unite to form a microculture around a physical condition (such as the deaf community) might reject the term "disabled" in reference themselves because they a. think of their condition as primarily...

physical Science
Calculate the momentum of a 200kg object moving 1m/s and a 1-kg object moving 200m/s?

Physical science
It takes 300 N of force and a distance of 20 m for a moving cart to come to a stop. How much kinetic energy did this cartpath?

health
the key to using a pedometer to meet the physical activity guidlines for americans is to?

Health (Ms. Sue)--Is my answer correct?
Compare the ways that HIV can and cannot be transmitted. A: 6. HIV can be spread in many ways that involves physical contact that can result in the virus being led into a person’s body. Such ways include sexual activity with an infected person, sharing needles, syringes, or ...

Need help World Geograpy
3. Among the northern Andean countries strongly involved in the illegal coca and drug trade, __________ is now the predominant coca producer. A. Colombia B. Bolivia C. Peru D. Ecuador Student Answer: C Answer: Incorrect Reference: 6. Which of the following statements about the...

World Geograpy
1. Which of the following were the main proponents of NAFTA? A. Environmentalists B. Human rights groups C. Labor unions D. Large corporations 2. Which of the following is the primary subsistence crop in Latin America? A. Potatoes B. Beans C. Corn D. Wheat 3. Among the ...

English
I lost my 'The Merchant of Venice' book and I was wondering if anyone could give me the page number to where I could find example of word play and physical humor

Multiple Choice 1. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. (1 point) balance coordination power speed 2. At the paintball field, Wynonna is always the first one on her team to be hit with the ...

health
What physical symptoms often accompany social phobia? A. Difficulty talking B. Trembling C. Nausea D. All of the above

physical
the ability to exert muscle force quickly is known as 1) agility 2) power 3) recation time 4) speed I need help! Plz anyone!

engineering
The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expected to be negligible, ...

Physical science
Two balls collide head-on on a table. The first ball has a mass of 0.50 kg and an initial velocity of 12.0 m/s. The second ball has a mass of 0.75 kg and an initial velocity of -16.0 m/s. After the collision, the first ball travels at a velocity of -21.6 m/s. What is the ...

Design
The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expected to be negligible, ...

Health (Ms. Sue)
1. Classify the following as risks to teen mothers, to teen fathers, or to teen parents. a. interrupted education --- teen parents b. limited job options ---- teen parents c. physical stress to bones --- teen mothers d. lower income --- teen fathers? 2. State the health risks ...

Chemistry
ONe day, you were walking along the road with your friend and saw a piece of solid that you've never seen before. You were curious about the identity of the substance so you tried to give it to the Department of Science. You found out from them that it is a new found element ...

fin
As part of a new labor contract, Acme has agreed to make a one-time contribution of Euros 1,000,000 to the construction of a new physical fitness facility for its employees. This amount will be placed in an account earning E% (E = the fifth digit of SUN). When the account ...

Multiple Choice: 1. If a kestrel eats a mouse that eats grass, the kestrel is a (1 point) producer. second-level consumer. first-level consumer. decomposer. 2. Which of the following best explains why a species of lizard is able to live in the desert but not in tundra regions...

Health (Ms. Sue)
1. What is the relationship between emotional maturity and emotional intimacy? A: ? 2. Explain why it is difficult for teen marriages to succeed? A: It is difficult for teen marriages to succeed because they must cope with many stresses, such as financial worries, changes in ...

Health (Ms. Sue)
Why do you think that having a positive attitude about growing older is important? A: Having a positive attitude about growing older is important because mental health and physical health affect each other. For example, physical exercise can reduce psychological depression by ...

LAW
1. An officer who makes application for a search warrant before a magistrate or judge must provide: A. a complete investigative report of the crime committed. B. probable cause from a sworn affiant. C. witnesses to appear before the magistrate or judge. D. physical evidence to...

Physical Science
(c) ____Cl2(g) + ____KBr(aq)h____Br2(l ) + ____KCl (aq) (d) ____CH4(g) + ____O2(g)h____CO2(g) + ____H2O(l )

Geography nd physical
Can i tyk geography nd physical science if i wnt 2 become a pathologist

Physical Science
How can we talk about the evolution of stars over billions of years when human beings have been observing stars for only a few thousand years?

Physical Science
What are the noninvasive benefits of the medical technologies that rely on physics of elementary particles?

Physical Science
What are three medical technologies that rely on the physics of elementary particles?

Physical Science
What is the question that many have about the Department of Energy and Yucca Mountain

Physical Science
Is it true that electric cars do not generate pollution because they have batteries?

Physical Science
Where do electric cars obtain their energy?

Physical Science
Explain how the temperature difference between the poles and the equator drives the motion of the oceans and atmosphere.

Physical Science
Why do we call groundwater in most areas a "nonrenewable resource"?

Physical Science
How do ocean currents affect local climate?

Physical Science
What are the differences between ice caps and glaciers?

Physical Science
What kind of rock is below the soil in Waynoka, Oklahoma?

Physical Science
Describe how energy flows through the ecosystem near oklahoma

Physical Science
If I live in Oklahoma, what kind of ecosystem is near me?

Physical Chemistry
A pharmaceutical preparation of pH 6.2 is preserved with substance A (pKa 8.5). If the preservative effect is due to the undissociated molecule determine the per cent of active preservative present in the preparation. Thanks! :)

Physical Science
Which of the following is a balanced equation? a. A1 + CuSO4= Cu + A12 (SO4)3 b. 2 A1 + CuSO4 = Cu + A12 (SO4)3 c. A1 + 3 CuSO4 = 2 Cu + A12 (SO4)3 d. 2 A1 + 3 CuSO4 = 3 Cu + A12 (SO4)3

Physical Science
Do metalloids have a complete outermost shell?

Physical Science
How many compounds are in potassium sulfide (K2S)?

science
what physical components do the sun and earth have in common ? a) core and mantle b) core and atmosphere c) crust and atmosphere d) mantle and crust

Post a New Question