Monday
January 16, 2017

Homework Help: Physical Education

Recent Physical Education Questions

Science, pls help Ms. Sue!!!!!!!
an electric current is passed through water in the process of electrolysis two gases are formed one has a boiling point of -183 C and the other one has a boiling point of -253 has a chemical or physical change ocured
Saturday, January 14, 2017 by Kimzy

Chemistry
Label the following changes as CHEMICAL or PHYSICAL change 1. Fat reacting with sodium hydroxide 2. Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water Label the following reactions as exothermic or endothermic 1. Ammonium ...
Friday, January 13, 2017 by Megan

Science
Fat reacting with sodium hydroxide Is this a chemical or physical change My answer is chemical is this right answer Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water. My answer is physical change. Is this right?
Thursday, January 12, 2017 by PLEASE CHECK MY ANSWER!!!!!!

Physical Science
A step-up transformer has primary coil with 15 turns. How many turns would be required in the secondary coil to increase the voltage from 60 v to 160 v? 15 x=160/80 x=80/15 x=?
Thursday, January 12, 2017 by SAM

Physical Science
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines, it's not a lot...
Thursday, January 12, 2017 by Anonymous

Physical science
two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem
Thursday, January 12, 2017 by Anonymous

Health
1. To eat more healthful and decrease your calorie intake, MyPlate recommends that you eat breakfast, lunch, and dinner with no snacks in between meals. eliminate starchy vegetables like potatoes, corn, and lima beans that are high in carbohydrates. drink fruit juice for extra...
Wednesday, January 11, 2017 by Help

Physical Science
If element X has 81 protons, how many electrons does it have?
Wednesday, January 11, 2017 by Emma

Physical science
the crest of wave A has an amplitude of 5 cm. the trough of wave B has an amplitude of 2 cm. if the crest of wave A combines with the trough of wave B,what will be the amplitude of the resulting wave? will the waves form a crest or a trough when they combine?
Tuesday, January 10, 2017 by Victoria

Health and Physical Education
1. When you wake up and a large pimple greets you when you look into the mirror, this endocrine gland is to blame. thymus gland reproductive gland (my answer) thyroid gland pancreas
Monday, January 9, 2017 by Betta Fish

science questions please answer at least 45minutes
1. The current atomic model would be revised if (1 point) better microscopes were being used to study its structure. better microscopes are invented in the future. new information about an atom’s structure is discovered. a new element is discovered in the ...
Monday, January 9, 2017 by please answer all this within 45 minutes

Physical science
Determine the centripetal acceleration of an automobile making a tight turn that has a radius of 256 m, if the is traveling at a velocity of 25.0 m/s as it turns.
Saturday, January 7, 2017 by Shirley

Physical science
What was Jack's speed from 5 sec to 10 sec
Saturday, January 7, 2017 by Anonymous

Health
1. When reading a recipe’s ingredients, which substance makes the recipe an unhealthy choice if it is present in a high amount? (1 point) (A) Fiber (B) Protein (C) trans fat (D) unsaturated fat 2. Of the five food groups, which one should be consumed in the ...
Saturday, January 7, 2017 by searcher

geo
Hi... I need some URGENT help with my geography essay, I'm suppose to have three reasons to why canada is the best country and I'm looking for a 3 strong arguments ... i have 2 already down , economy and physical geography . I need to have 11 paragraphs in total. so ...
Friday, January 6, 2017 by zahraa

physical science
How much heat is absorbed by a 70g iron skillet when its temperature rises from 24oC to 110oC? joules
Sunday, January 1, 2017 by maddie

physical science
A pendulum has 501 J of potential energy at the highest point of its swing. How much kinetic energy will it have at the bottom of its swing? joules
Sunday, January 1, 2017 by maddie

physical science
What is the speed of a bobsled whose distance-time graph indicates that it traveled 107m in 26s?
Sunday, January 1, 2017 by laure

science
if there was a source of pollution in Smithtown bay, what role could a physical oceanographer play in understanding the impacts to other parts of long island sound?
Friday, December 30, 2016 by nicole

Physical Science
Sodium (Na) reacts with chlorine gas (Cl2) to form sodium chloride (NaCl) as shown in the equation 2Na+Cl2=2nacl If 4 moles of sodium react, how many moles of chlorine gas will react? I have no idea what to do.......... I need some assistance thanks
Thursday, December 22, 2016 by Jam

PHYSICAL CHMISTRY
A sample of methane gas of mass 35 g at 250 K and 12.5 atm expands isothermally until its pressure is 1.5 atm. Determine the change in entropy of the gas.
Tuesday, December 20, 2016 by AHMED

Physical science
If you use a 29m second-class lever to lift a 1000 N load exactly in the middle of the lever, and you lift the lever 1.5m high, how high do you lift the load?
Sunday, December 18, 2016 by Ainsley

physical science
The gas in a cylinder has a volume of 3 liters at a pressure of 106 kPa. The pressure of the gas is increased to 208 kPa. Assuming the temperature remains constant, what would the new volume be? = ....L?
Sunday, December 18, 2016 by laure

physical science
If the mass of a material is 99 grams and the volume of the material is 22 cm3, what would the density of the material be? (in g/cm3) i don't know how to find the answer.
Friday, December 16, 2016 by laure

9th grade physical science
I'm really confused on how to do this, Can someone help walk me through? An object is placed in front of a concave mirror as shown in the diagram below. A. Draw at least two rays that demonstrate how this mirror produces an image. (4 points) Image B. Describe the image ...
Thursday, December 15, 2016 by Mailbox-Kun

Science
1) What physical features do producers and consumers have to help them survive in their environment
Tuesday, December 6, 2016 by Anonymous

Philosophy
There are a variety of major distinctions that people always use to describe the Plato's Republic section we have read. The distinctions are: -The appearances vs.reality, -One vs. the many, - Forms/ideals vs. physical objects. After doing the reading, describe how you ...
Monday, December 5, 2016 by Lashanda

Math
Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x-0.002x^2. This relates the height, h, of the ball above the ground to ...
Sunday, December 4, 2016 by Meghan

English
The scarlet letter "dark and abundant hair, so glossy that it threw off the sunshine with a gleam" "her beauty shone out, and made a halo of the misfortune and ignominy in which she was enveloped." Fine at least 2 phrases that describe the physical nature ...
Thursday, December 1, 2016 by Aria

Social Studies
Could you help me with these questions? 1. Which statement best explains the significance of the signing of the Mayflower Compact? * 2. What was a major reason for the colonization of the Americas by Europeans? * 3. Which reason led to the establishment of colonies in both ...
Thursday, December 1, 2016 by King Comfort

English
What are some personality and physical characteristics of coyotes?
Wednesday, November 30, 2016 by Boberto

Science
What is When digital information is superimposed on a physical environment (two words)
Monday, November 28, 2016 by Emma R.

Science
What is When digital information is superimposed on a physical environment (two words)
Monday, November 28, 2016 by Emma

PHYS-041-Keiler: Physical Science
A prehistoric bone is found at an excavation site. If the bone originally contained 22 kg of carbon−14, how much would remain after 11,400 years?
Sunday, November 27, 2016 by gorje

physical education
what are the reason for the olympic games to be largest of all sporting events
Wednesday, November 23, 2016 by ahmedin

history
1. Which statement best explains the significance of the signing of the Mayflower Compact? * 5 points A)The colonists swore to survive together or die in North America. B)The colonists agreed to create their own government and to obey its rules. C)The colonists declared their ...
Tuesday, November 15, 2016 by connexus

Physical Science
How much energy is released when 10 gm of steam at 100 degree Celsius turns to ice at 0 degree Celsius
Sunday, November 13, 2016 by Praveen

Physical Science
A 68.4-g sample of potassium chloride was added to 200.0 g of water at 20 C. Is the solution saturated, unsaturated, or supersaturated?
Saturday, November 12, 2016 by Steve

Physical Science
When iron metal reacts with oxygen, the reaction can form Fe203. The balanced chemical equation I think is right is 4 Fe + 302----2Fe203. So I have 4 moles of iron + 3 moles of oxygen creates 2 moles of iron oxide. I need to find the number of moles of oxygen that are needed ...
Friday, November 11, 2016 by Steve

Physical Science
Materials: Epsom salts (MgSO4), ammonia (NH4OH) small jar or cup measuring cup Procedures 1. Dissolve 1 teaspoon of Epsom salts in a half cup of water. 2. Add 2 teaspoons of ammonia to the Epsom salts solution and stir thoroughly. Record your observations. 3. Allow the mixture...
Friday, November 11, 2016 by Steve

physics multiple choice MCQ 1- i need help please @all respective sir & bro
which of the following variable controls the physical properties of a perfect gas? a. pressure b. temperature c. volume d. all of the above e. atomic mass
Thursday, November 10, 2016 by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue .bobpursley& all respect sir

Physical science
A 100.0g sample of water at 20.0C is heated to steam at 125.0c.how many heat was absorbed?
Thursday, November 10, 2016 by William J Yelorbah

Physical chemistry
Find ΔG and ΔA for the freezing of 1.00 mol of H20 at 0°c and 1atm. At 0 ° C and 1 atm the density of ice and liquid water are 0.917 g / mL and 1 g / mL, respectively.
Wednesday, November 9, 2016 by Jenna

Physics
A certain number of identical resistors are connected in series and their total resistance is measured. When the resistors are disconnected and re-connected in parallel, their total resistance drops to one-percent of the value measured when they were connected in series. How ...
Wednesday, November 9, 2016 by Tim

Physical Science
How much Cerium sulfate is needed to make a saturated solution in 100mL of water at 30 degrees Celsius?
Tuesday, November 8, 2016 by Mal

physical science
4.8g of magnesium react was completely burned in oxygen and magnesiumoxide was produced. what is the mass of magnesium produced?
Tuesday, November 8, 2016 by Ruben Amwenyo

Physical geography
Identify the glacial term that corresponds to each of the following. I'm stuck on these two. Thanks for the help Melting by wind: Sudden massive melting:
Wednesday, November 2, 2016 by 1212ven

Health
3. Which is not a health professional who treats mental and emotional disorders? A psychiatrist B neurologist C social worker D psychologist 4. Arachnophobia, the fear of spiders, is an example of a(n) A. Personally disorder B. Anxiety disorder C. Mood disorder D. Impulse-...
Tuesday, November 1, 2016 by Iloveyou

Physical Educationcal Educationcal
What is the role of 1mile running? ( like important things, teaching points ) I need to find for P.E. class.. Please introduce me some good websites
Tuesday, November 1, 2016 by Jo

geography
What physical features are significant in the locations of the major cities of the Middle East? Thanks!
Tuesday, November 1, 2016 by Kathryn

Physical
A toy rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. The rocket engine provides constant upward acceleration during the burn phase. At the instant of engine burnout, the rocket has risen to 73 m and acquired a velocity of The rocket continues to ...
Tuesday, November 1, 2016 by Ahmed

Physical
Determine the pressure at bottom of an open tank if it contains layers 10 cm of oil, 30 cm of water and 5cm of mercury. Given that the densities of oil, water, and mercury are 850 kg/m^3, 1000kg/m^3 and 13600kg/m^3 respectively.
Tuesday, November 1, 2016 by Eason

Physical
An object of mass 100 kg is tied to the bottom of a pond with a light chain. If the tension in the chain is 200 N, what is the mass of water displaced by the object ?
Tuesday, November 1, 2016 by Dicky

Physical
A cubical block of wood of side 0.5 m floats in water. Given that the densities of wood and water are 800 and 1000 kg/m3 respectively Calculate the depth of the block immersed in water.
Tuesday, November 1, 2016 by Edward

physical chemistry
The ice skate of a 210-pound hockey player is in contact with the ice over a 2.5mm x 15cm area. Determine the freezing point of the ice under the blade of the skate?
Monday, October 31, 2016 by Joseph

physical chemistry
Calculate the freezing point of water at a depth of 10.0 cm below the surface of the water. The density of the water is 0.9998 g/cm3
Monday, October 31, 2016 by Joesph

Chemistry
Which one of the following is NOT a physical process? A. Dry ice subliming B. Steam condensing C. Alcohol evaporating D. Melting ice E. Gold plating jewelry
Sunday, October 30, 2016 by Anjali

computer
the physical comonents of a computer are called software
Sunday, October 30, 2016 by khadija

English
What is the thesis statement in this essay? Instead of using emails, mail a letter to your grandparents, an aunt or uncle, or another role model who’s older than you are. We live in a fast-paced world. We use computers to send emails and instant messages. ...
Friday, October 28, 2016 by anonymous

Health and Physical Education
BMI is a ratio to? •Height to body fat •Weight to height •Muscle mass to bone mass •weight to activity level
Friday, October 28, 2016 by Shayla

Physical Science
A bullet is fired with an initial speed of 200 m/s. If a target is 500ft away, at what angle should the rifle be raised in order to hit the target?
Wednesday, October 26, 2016 by John

Science HELP!!
Compare and contrast the roles of genetic factors and local conditions in determining physical traits Contrast dominant, recessive, codominant, and incomplete dominant traits and give examples of each Summarize the process of sexual reproduction and explain how variations of ...
Wednesday, October 26, 2016 by Callie

history
i'm writing an essay comparing indentured servants and slaves. can you just read what i have so far and correct errors in grammar and how I word my sentences. thank you Between the 16th and 18th centuries, cheap labor, agriculture and mercantilism ensured a thriving ...
Sunday, October 23, 2016 by apoorva

Physical
A motor car travelling at 14m/s on dry flat surface should be able to stop in 14m.Assuming the deceleration to be uniform. Given: its value and the corresponding bracking time is -7m/s^2 , 2 sec Calculate the distance travelled during the first second after the application of ...
Saturday, October 22, 2016 by Joey

Health And Physical Education
according to psychologist Abraham Maslow, a person must have his or her physical needs, the need to feel safe the need to belong and the need for esteem met in order to reach. 1 point 1).Self concept 2).Self actualization 3).Self esteem 4).Self awareness
Friday, October 21, 2016 by OREO COOKIE DOUGH

Physical Science
1. which of the following should be classified as a suspension? A. soda** B. sand in water C. glass D. milk 2. Which of the following is an of example of a chemical property? A. density B. flammability C. hardness** D. melting point 3. Which state of matter has a definite ...
Thursday, October 20, 2016 by Becky

physical science
A vehicle having mass of 1000kg is running with a speed of 5m/s.After apply the force of 1000N for 10sec what will be the speed of vehicle(15m/s)
Wednesday, October 19, 2016 by N.Vineeth

English
1. In the Red Badge of Courage, for what exploit was the youth praised by the colonel? for carrying the flag for getting the enemy's flag for rallying the men to fight*** 2. In The Red Badge of Courage, the description of Wilson changes from what to what? from the loud one...
Tuesday, October 18, 2016 by Eagle Man

Physics
Okay,so you need to fill in the blank. 'Violet light travels at a _____ speed within the glass block than the red light' Thanks for answering! and sorry for my brain lacking physical sense Faylon
Tuesday, October 18, 2016 by Faylon

Physical science
A ball rolls down a hill which has a vertical height of 15m .ignoring friction, what would be the (A)gravitation potential energy of the ball when it is at the top of the hill? (B)velocity of the ball when it reaches the bottom of the hill?
Saturday, October 15, 2016 by Lesedi

English
My answers are *** 10.   The author of “My Brother’s Keeper” emphasizes Jamie’s conflict by  (1 point) A. describing the car accident in detail. B. detailing...
Friday, October 14, 2016 by PLEASEANSWERALLQUESTIONS

Economics
Consider the following simplified economy described by a Cobb-Douglas production function with three factors of production: “K” is physical capital (the number of machines), “L” is labor (the number of ...
Thursday, October 13, 2016 by Emily

Physical Science
An iron fence is left unpainted, and it reacts with the oxygen in the air, forming rust. The formation of rust is an oxidation-reduction reaction, but it is also an example of a(n) _________ reaction My answer is synthesis
Thursday, October 13, 2016 by Steve

Macroeconomics help!
Consider the following simplified economy described by a Cobb-Douglas production function with three factors of production: “K” is physical capital (the number of machines), “L” is labor (the number of ...
Thursday, October 13, 2016 by Jennifer

physical science
Step by step how would i solve this. A baseball is thrown at a distance of 20 meters from the outfield to the third base. What is the baseball's velocity if it takes 2.3 seconds to get to the third one.
Wednesday, October 12, 2016 by tay

geog
What kind of physical processes that formed the Alps? Thanks!
Tuesday, October 11, 2016 by Elizabeth

physical science
A baseball is thrown a distance of 20 meters from the outfield to 3rd base. What is the baseball's velocity if it takes2.3 seconds to get to the third basemen? How would I solve this?
Tuesday, October 11, 2016 by tay

theatre
In Elizabethan Theatre, a playwright would use poetic dialogue to ____. A) Paint a picture of a scene. B) Establish the time and place of action. C) Familiarize the audience with characterization and physical attributes of the characters. D) All of these answers. D??
Monday, October 10, 2016 by Jay

Science (Chemistry)
"Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are. I'm...
Monday, October 10, 2016 by Sebastian

Science (Chemistry)
"Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are. I'm...
Monday, October 10, 2016 by Sebastian

physical
how much work is done on a pumpkin wit a (force)of 16n when u lift it 15 meter?
Saturday, October 8, 2016 by drhyana

English
Need these answered soon please! 10.   The author of “My Brother’s Keeper” emphasizes Jamie’s conflict by describing the car accident in detail.*** detailing Jamie’...
Saturday, October 8, 2016 by Maria

physical chemistry
Calculate molarity of air having malar mass 28.8cotaining N2 and O2 only at 273kelvin and 1atm pressure
Saturday, October 8, 2016 by spriha

Physical Education
I'm looking for Practice Methods for P.E. class. What is the best way to improve endurance and Muscular strength? I need some webpage (reference) Please help me------
Friday, October 7, 2016 by CC

Health And Physical Education
Identify a common defense mechanism that protects you from an uncomfortable? A.reaction formation B.abstinence C.mature behaviors D.acceptance I would like to know if anyone knew the answer and if so can you please tell me my parents are getting on to me about one BBBB
Friday, October 7, 2016 by Margaret

science(check my answers)
1. Which of most likely to be a part of an ionic bond? A.an atom with no valence electrons b.an atom with one valence electrons** c.an atom with two valence electrons d.an atom with three valence electrons 2.to form oxygen molecule(02), two oxygen a share two pairs of ...
Wednesday, October 5, 2016 by Senpai Onii-chan

Science
chemical property mixture heatcapasity homogeneous viscosity sublimitation physicalproperty compound chemicalformula substance density mass tempurature pressure heterogenerous A _________ property of matter describes its ability to change into different substances.unsure The ...
Wednesday, October 5, 2016 by Katie

Chemistry
When an electric current passes through water during the process of electrolysis, two gases are formed. One gas has a boiling point of -183 C and the other has a boiling point of -253 C. Has a physical change or chemical change occurred? Explain. I think it is a chemical ...
Monday, October 3, 2016 by Sami

Physical science
A piece of metal has a mass 85 cg and a volume of 450L. What is the density g/cm cubed? What would be the mass of 300 cm cubed of this metal? What would be the volume of 200 ounces of this metal?
Sunday, October 2, 2016 by Sandra

physical science
a car travels 50km east in 30 mins. what is the velocity in km/h
Sunday, October 2, 2016 by bob

Physical science
What is the wavelength of a standing wave in cm, if the separation between two adjacent nodes is 13.7cm?
Saturday, October 1, 2016 by tammy

Psychology
According to Hans Selye, stress is a) a specific response to a specific demand on the body. b) a cognitive, not physical, response to a threatening situation. c) any reaction that increases activity in the parasympathetic nervous system. d) a nonspecific response of the body ...
Saturday, October 1, 2016 by jomand

psychology
According to Hans Selye, stress is a) a specific response to a specific demand on the body. b) a cognitive, not physical, response to a threatening situation. c) any reaction that increases activity in the parasympathetic nervous system. d) a nonspecific response of the body ...
Saturday, October 1, 2016 by john

chemistry
is heating iodine from its solid state to a liquid state a chemical or physical change?
Friday, September 30, 2016 by brandon

Physical science
A golfer on a level fairway hits a ball at an angle of 42* to the horizontal that travels 100 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at a different angle. This ball also travels 100 yd. At what angle was the second ...
Thursday, September 29, 2016 by Anonymous

English
1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition.  (1 point) surprised unemotional*** unsure vibrant 2.   Choose the ...
Thursday, September 29, 2016 by Sara

science
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 ...
Thursday, September 29, 2016 by ttng

English
PLEASE LET ME KNOW IF THESE ARE ALL RIGHT! 1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition.  (1 point) surprised*** unemotional unsure vibrant 2...
Wednesday, September 28, 2016 by G

English
1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition.  (1 point) surprised*** unemotional unsure vibrant 2.   Choose the ...
Wednesday, September 28, 2016 by L

Chemistry
7. A student conducts an experiment on a different hydrate. The empty crucible is heated to a constant mass of 24.330. A sample of the unidentified hydrate is placed in the crucible, and the total mass is 31.571 g. The crucible and hydrate are heated to constant mass, which is...
Wednesday, September 28, 2016 by Alan

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