Physical Education

Recent Physical Education Questions

Physics
When the body temperature drops, this has the effect of reducing the potential across the axonal membrane slightly. At a body temperature of 30°C, the potential difference experimentally measured concentration of Na+ ions inside the lipid bilayer is 10^18 NA+ ions/cm^3. a) ...

\$\$ = MY ANSWER Just as a person inherits physical traits, a person inherits personality traits as well. True \$\$ False 2. Peers cannot have a direct impact on your personality. True \$\$ False 3. Your behavior and personality sometimes come directly from role models. (1 point) ...

physical science
a crate of cooldrinks with a mass of 15kg over a smooth horizontal surface by exerting a force of 80N at 30° to the horizontal. Draw a diagram and aswers the following 1. Draw a force diagram showing and labelling all the forces acting on the crate. 2. Calculate the vertical ...

Physical science
a balloon has a volume of 0.5 L at 20 degrees celsius. what will the volume be if the balloon heated to 150 degrees celsius? assume constant pressure and mass. I got 0.7218 L.

physical sciences
The mass of a minibus is 1500kg,assume that the passenger have an average mass of 50kg each.The driver is moving at a speed of 30m/s when he notice that the traffic light ahead have turned to red.he applied a force of 9000N on the break pedal,calculate acceleration of the taxi...

PHYSICAL SCIENCE
Imagine two billiard balls on a pool table. Ball A has a mass of 2 kilograms and ball B has a mass of 3 kilograms. The initial velocity of ball A is 9 meters per second to the right, and the initial velocity of the ball B is 6 meters per second to the left. The final velocity ...

Physical Science
Suppose the jumbo jet of mass 30000 kg flies against an air resistance of 82000 N while the thrust of all four engines is 100000 N. Find the acceleration

Social Studies
1. Which BEST describes the differences that divide Maayan and Muhammad? A. age and interests B. physical barriers C. culture and politics** D. economic status 2. How does Maayan most directly experience the conflict in Israel? A. through treating victims of terrorist attacks...

Health and Physical Ed
If you choose to smoke, your body will use this substance less efficiently. 1:microorganisms 2:carbon dioxide 3:plasma 3:oxygen I think it is #3

physical science
a head ball of mass 600g is thrown vertically upwards from ground level and reaches the maximum height of 20metres.calculate the initial velocity of the ball

ashworth
In an interrogation setting, the strategy of fabricated evidence involves all of the following EXCEPT: A. falsely informing a suspect that an accomplice has ident6ified her or him. B. falsely stating that physical evidence exists that confirms his or her guilt. C. projecting ...

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

Physical science
How much more does someone with a bachlors degree usually earn than someone with a high school deploma?

Physical science
What are some of the reasons for income differences?

Physical science
What is the force of gravity between two 1215 kg cars separated by a distance of 31m on an interstate highway

physical sciences
Calculate the mass in kilograms of one atom of ununhexium

science chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 396.9 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.

Physical Science
4. What measurable property/properties affects the period of a pendulum? 7.Give another example of periodic motion other than simple harmonic motion. 8. If you landed on the moon, could you use the pendulum method to find "g" there? Explain.

Health
1. According to the National Clearing House for Alcohol and Drug Information (NCADI), most children under the age of _____ , who do not participate in drug and alcohol abuse, is virtually certain to never do so. (1 point) 20 21 23 19 2. The average age when youth first try ...

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

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 ...

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

Science
Check my answers!! Plz 1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a ...

Science Plzz correct me!!!
What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 point) ...

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?

Science
1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...

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?

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 ...

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

SCIENCEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
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 future. 2. Melinda...

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***

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