Physical Education

Physical Science
A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!

Physical Science
A car of mass m traveling at a velocity of 20m/s east on a straight level road and a truck of mass 2m travelling at 20m/s west on the same road. ignore the effects of friction. calculate the velocity of the truck-car system immediately after collision. On impact the car exerts...

physical science
a car accelerates from rest at stop street and covers 10m east in 45.calculate the acceleration of the car(assume uniform acceleration).

Sciences
What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting? A crystalline solid A sublimation A pure substance •• An amorphous solid Correct me if I'm wrong

Math
If a valid time on a 12 hour time period has the hour hand and minute hand switched, how many times will that result in another valid time? I have found 11, which is when the hour hand points at the same place as the minute hand. I know there is much more, but I can't figure ...

physical science
a flywheel given its angular velocity of 200radian per second and an acceleration of 5radian per second squared in 15minutes.what is angular velocity in radian per second and revolution per minute

Geography of Arabia and Iraq
Question #1: Which statement best describes the physical geography of Arabia and Iraq? A. largely hot and dry with pockets of mountains and fertile river valleys B. tropical, with equal parts rainforest and desert C. mountainous, with diverse terrain and climate based on ...

Earth Science
Which of the following climates is most suited for physical weathering? A. Warm B. Dry (C. Hot) D. Cool What latitudes are most likely to see glaciers? (A. 90° N and 90° S) B. 30° N and 30° S C. 45° N and 45° S D. 10° N and 10° S

Earth Science
Which of the following climates is most suited for physical weathering? A. Warm B. Dry (C. Hot) D. Cool What latitudes are most likely to see glaciers? (A. 90° N and 90° S) B. 30° N and 30° S C. 45° N and 45° S D. 10° N and 10° S

Calculus
If a valid time on a 12 hour time period has the hour hand and minute hand switched, how many times will that result in another valid time? I have found 11, which is when the hour hand points at the same place as the minute hand. I know there is much more, but I can't figure ...

Physical Science
Which SI unit is used to measure length? A. meters B. newtons C. grams D. liters

Geography and Society
A relief map shows what kind of information about a location? a. physical features b. political boundaries c. elevation*** d. population density

Maths lit,geography,physical science and life science
Wich career should i follow

physical science
Determine the magnitude and direction of a resultant force on 500N,200N and 300N by calculating or by accurate construction and measurement use scale 10mm=50N

Physical Education
Explain two physical reasons why players should warm up before playing sport.

Physical Education
Explain the term 'target zone' and 'training thresholds', and how they should be used.

Physical Education
Describe the Cooper's 12 minute-run test. (4 marks)

Social Studies
In what way is geography an integrative science? a. Geography is an integrative science because it examines Earth in both physical and human terms.*** b. Geography is an integrative science because it borrows from physical sciences such as chemistry, biology, meterology, and ...

Social Studies
What does “geography” mean in literal sense? a. the study of the human elements of Earth b. to describe Earth*** c. the study of the physical elements of Earth d. none of the above

Calculus PLEASE HELP! PLEASE PLEASE PLEASE
A long, straight wire of length 2L on the y-axis carries a current I. According to the Biot-Savart Law, the magnitude of the magnetic field due to the current at a point (a,0) is given by B(a)= (mu sub 0 multiply by I) divided by 4pi times the integral from -L to L of (Sine ...

math (desperate help, please.
A long, straight wire of length 2L on the y-axis carries a current I. According to the Biot-Savart Law, the magnitude of the magnetic field due to the current at a point (a,0) is given by B(a)= (mu sub 0 multiply by I) divided by 4pi times the integral from -L to L of (Sine ...

Physical science
Describe how to determine the ideal machanical advantage of each type of simple machine How are the lever and the wheel and axle related?

Science
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 ...

criminal justice
Schlomo occasionally drinks beer with friends. His drinking doesn’t interfere with his job or personal obligations. He gets a pleasant “buzzed” feeling from two beers and doesn’t feel a need to drink more. Alcohol has not caused him any physical or psychological ...

Physical science
What is the current produced by a 9volt battery flowing through a resistance of 2*10 ohms

physical science
A golfer on a level fairway hits a ball at an angle of 38° to the horizontal that travels 85 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 85 yd. At what angle was the second ...

Physical sciences
A ball is thrown vertically upwards at 4ms-1 and returns yo the throwers hand.calculate the maximum height reached by the ball

Physical Science
At a baseball game a ball of mass m = 0.11 kg moving at a speed v = 22 m/s is caught by a fan. the ball is stopped in 0.014 s , find the average force of the ball on the catcher's hand?

Science
Plz correct me!! A student combined water, sugar, and salt in a beaker. Which of the following statements is true? (1 point) The individual substances can be separated by physical means. The individual substances cannot be separated by physical means.* A new substance is made ...

English
Identify the choice that best describes the problem. To run a four-minute mile, excellent physical condition is important. a. phrase fragment b. dangling modifier*** c. run-on sentence d. misplaced modifier

Physical Science
QUESTION---Which waves have wavelengths longer than those of visible light? MY ANSWER--Infrared light, microwaves and radio waves have wavelengths longer than visible light. Radio waves have the longest wavelength. Are there any others?

Physical Science
I am having trouble coming up with an answer to this, and I can't seem to find it in my textbook....can I get a little help? QUESTION---Explain why the speed of sound is faster in solids than in gases

Physical Science
QUESTION GIVEN---Thermal conductors don’t have to be hot to transfer heat. According to Ch.16, explain a situation when an ice cube would still transfer heat to another object it is in contact with. MY ANSWER---Because, the ice may be trying to transfer cold, but if the ...

Physical Science
A ferromagnetic material is A) always a magnet B) a magnet if it's domains are aligned C) a magnet if it's domains are not aligned D) never a magnet I think it is A....

Physical sciences
Two forces A and B act at a point O. A=30 N at 60 degree and B= 40 N at 120 degree, relative to x-axis. Calculate the magnitude and direction of the resultant force using the method of perpendicular components.

Physical Science
You drop a water balloon off of a tree branch, and you time the drop time at Δt = 1.16 sec, from the instant you drop it to the instant it impacts the sidewalk. What is the height of the tree branch?

Physical Science
The current in a hair dryer measures 15.0 amps. The resistance of the hair dryer is 8 ohms. What is the voltage? A. 120 V B. 0.5 V C. 7 V D. 1800 V I tried this and got D but it was wrong....can I get a little help on how to do this?

Physical education URGENT PLEASE HELPPPP
Explain how sprinters use flexibility. Explain how javelin throwers use flexibility. Explain how gymnasts in floor routines use flexibility.

Physical Education
Explain the difference between muscular endurance and cardiovascular fitness.

Physical Education
Explain how sprinters use flexibility. Explain how javelin throwers use flexibility. Explain how gymnasts in floor routines use flexibility.

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 are ...

Physical Chemistry - please help!
Question: 0.19 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 83 °C and 47 atm pressure undergo an expansion against a constant external pressure of 1.19 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.19 atm. Calculate the change in enthalpy, Δ...

English
Can someone please check my answers for finding the subject and verb these sentences? The milk in the back of the refrigerator is probably spoiled by now. S= milk V= is spoiled The family that lives in the brown house moved in just a month ago. S= family V= moved Jackie, Gwen'...

Physical Education
When playing doubles in Badminton which player returns the birdie on a serve?

Physical Education
What are 5 differences between badminton and pickleball?

Chemistry
The solidified carbon dioxide, dry ice, is used as the refrigerant to temperatures of 78 °C order What physical state of carbon dioxide at 25°C and 1 atm?

physical science ,maths ,life science,geography
Which marks I must get to become a doctor?

PHYSICAL SCIENCES
TWO FORCES OF 60N AND 80N RESPECTIVELY ACT SIMULTANEOUSLY AT A POINT .SKETCH AND DETERMINE THEIR RESULTANT BY USING TAIL TO HEAD METHOD

Physical science
The density of lead is 11.35 g.cm .what will be the mass in kilograms of a 2dm sample of lead?

PE
If you increase your time spent doing physical activity, how will it influence your diet and maintenance of a healthy weight?

Physical Education
Mandy wants to win the local youth tennis tournament next fall. Her coach has said that her serve is powerful enough, but she suggests Mandy train with a jump rope to improve her ability to cover more ground on the court when she’s playing. Why would her coach suggest using ...

math literacy, all sciencez
I'm a student doing grade 12 my subjects are math literacy, geography, life sciences,physical sciences,L.o ,xitsonga and English and would really want to know the best career path or choice for me.

Physical sciences
A crate is pulled across a horizontal surface with a force of 100N which makes an angle of 30 degrees with the horizontal.Draw a diagram of the horizontal and vertical components of the force

Physical sciences
Calculate the change momentum of 5kg moves 4meter per sec

social studies hurry
Which statement best describes the physical geography of Arabia and Iraq? a. largely hot and dry with pockets of mountains and fertile river valleys b. tropical, with equal parts rain forest and desert. c. mountainous, with diverse terrain and climate based on altitude d. ...

Physical Chemistry
Calculate the work, w, (in J) when 0.6 litre of an ideal gas at an initial pressure of 91.5 atm is expanded isothermally to a final pressure of 2.15 atm against a constant external pressure of 2.15 atm. I got -130.71 J, but apparently it is wrong. Help is greatly appreciated. ...

Physical sciences
Name of the following compound:KBr, Na2CO3 ,FeSO4, CrCl3

physical science
what will the velocity be if the momentum is 60000 kg m/s and the mass of the car is 2000kg

Health
1. You witness 2 of your classmates yelling at each other in a heated argument. This is an example of A. conflict** B. harassment C. bullying D. learned emotion 2. _______ is the use of threats or physical force to intimidate or try to control another person A. Conflict B. ...

History
1. Which of these was a precedent that George Washington set? (5 points) constitutional amendment process formal presidential dinners singing of the national anthem use of a presidential cabinet 2. "The time for the new election of a citizen to be president of the United ...

physical science
When will the resultant of the two vectors be at a maximum?

Physical science and math
2a^2*3a^3*b^0

Physical science and math
2x^2y.4x^4y^3/6x^6y^6

Physical Science
What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N ___________________________________ I said 49N because F = MxA. Am I correct?

Physical Education
Which of the following might be described as a recreational activity? a. Kayaking b. Inline skating c. Tango lessons d. All of the above***

Science
Why is the Grand Canyon a natural physical system

P.E.
What is twerk? MY friend told me about it. It something physical right?

Health and Physical Education
10. Good advice for someone who is trying to quit smoking is (select all that apply) A. Tell them to eat candy instead of smoking. B. Have them hang around people who are smoking. C. tell them to throw away their ashtrays and cigarette lighters.•• D. have them tell some ...

Mathematics,Geography,Physical Sciences,EGD,English,IsiZulu and Life Orientation
Which job opportunies are available due to this subjects

U.S History
Which of these describes the location of the Gulf of Mexico? (5 points) South of West Florida East of East Florida*** West of New Orleans South of Great Britain 4. © 2012 The Exploration Company What can you infer about what Lewis and Clark saw as they moved west from the ...

Science
The law of conservation of _____ states that all particles must be equal before and after the reaction. word bank:elements, magnitude matter,mass,stress ,gradual chemical,physical ,weight.

Geography (Ms.Sue ) Help
 Moving from coastal to interior regions of sub-Saharan Africa, we discover that the dominant physical-geographic feature is  A. many coastal inlets. B. mountainous terrain. C. ascending plateaus. D. lush rainforest. C?

heath
1. You witness two of your classmates yelling at each other in a heated argument. This is an example of (1 point) conflict. harassment. bullying. learned emotion. 2. ____________ is the use of threats or physical force to intimidate or try to control another person. (1 point) ...

Math
For every 8 chin-ups Doug did during the physical fitness test, Adam did 3. Doug was able to do 15 more chin-ups than Adam. How may chin-ups did Adam do?

Math
For every 4 jumping jacks Lauren did during the physical fitness test, Jason did 3. Lauren was able to do 10 more jumping jacks than Jason. How many jumping jacks did Jason do?

Physical Education
Which of the following is not true concerning footnotes The footnote can be shorter on a smaller package The footnote appears at the top of the nutritional label The footnote is a required section of the nutritional label The footnote does not change from product to product

Physical Education
____________ occurs when a server hits two faults in a row. double fault***

Physical Education
The ____________ is used to start each volley.

Physical Education
Which of the following is NOT a typical tennis competition? a. Singles b. Doubles c. Triples*** d. Mixed doubles

Physical Education
Which of the following types of physical conditioning may be most important to a tennis player? a. Muscular strength b. Aerobic endurance c. Flexibility d. All of the above***

Physical Education
Which of the following swings is generally weaker? a. Serve b. Backhand*** c. Forehand d. Ground stroke

Physical Education
What tennis swing is used when a player needs to hit a ball on the opposite side of the racquet hand? a. Ground stroke b. Serve c. Forehand d. Backhand***

Physical Education
If a player serves two faults in a row, he or she will _____________. a. Lose the serve b. Lose a point*** c. Serve again d. Lose two points

Physical Education
What is a player assigned when he/she serves a ball outside the service box? a. Point b. Stroke c. Hazzard d. Fault***

Physical Education
Which of the following is NOT a popular surface for tennis courts? a. Wood*** b. Grass c. Clay d. Hard Court

Physical Education
Tennis is probably the most popular sport played with a racquet. Which of the following lesser known sports is played with a racquet as well? a. Lacrosse b. Polo c. Badminton*** d. Croquet

Physical Education Help
Coping strategies that help you to protect yourself yourself from difficult feelings are called? (A)Stressors (B)Self actualization (C)Emotions (D)Defense Mechanisms I think it is B. Is that the correct answer

Social sudies
What was the purpose of the Missouri Compromise? A) It was an attempt to annex new territories from Mexico. B) It was an attempt to abolish slavery in the United States. C) It was passed to force South Carolina to secede from the Union. D) It was an attempt to balance ...

physical science
Carla applied a force of 35 n to a wheelbarrow full of bricks and moved it 2.5 m.which of the following can be determined from this information ?

physical science
A car travels at a constant speed around a circular track whose radius is 3.5 km.The car goes once around the track in 400 s.What is the magnitude of the centripetal acceleration of the car?

physical science
If a runner's power is 400 W as she runs, how much chemical energy does she convert into other forms in 10 minutes? (You will need to rearrange the Power Equation.)

PHYSICS
To see how two traveling waves of the same frequency create a standing wave. Consider a traveling wave described by the formula y1(x,t)=Asin(kx−ωt). This function might represent the lateral displacement of a string, a local electric field, the position of the ...

Health
1.)It is important to choose simple carbohydrates for breakfast to get you started for your day. A.)True or B.)False My answer: A 2.)Each meal must include a food from each food group in MyPlate. A.)True or B.)False 3.)When choosing a snack it it important a select a food that...

math, physical science,geography and CAT
Which career can I earn

Chemistry
Give two physical properties of ionic compounds? Thanks.

Physical science
the space shuttle typically orbits 400 km above the earth's surface.the earth hass a mass of 5.98*10 to the 24 squared kg and a raduis of 6,380 km.A)how much would a 2000 kg part form the space station weight when it has been lifted to that orbit in the shuttle's cargo bay?B)...

Geography
In December 1849, Rev. Josef Arnost Bergmann left his Czech homeland to minister to German Protestants in Texas. Pastor Bergmann and his family arrived in Galveston in 1850 and made their way to Cat Spring. There in Austin County he led the Easter service for the congregation ...

Physical Education
What happens if a golfer accidentally makes contact when addressing the ball? a. He/she is assessed a stroke*** b. Everybody applauds c. He/she loses a turn d. He/she scores a stroke

Physical Education
What happens if a golfer accidentally makes contact when addressing the ball? a. He/she is assessed a stroke*** b. Everybody applauds c. He/she loses a turn d. He/she scores a stroke

Chemistry
Chart: Group, Bond length, Bond strength, H-X-H Bond Angle NH3: 1.000, 391, 107 PH3: 1.412, 322, 93.5 AsH3: 1.510, 247, 92 SbH3: 1.688, 247, 92 What physical states do these molecules exist at room temperature? Gas Briefly explain the observed trend in bond length. Briefly ...

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