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April 18, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

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Physical Science
I agree. It feels the temperature outside it but that is all really. The others all connect directly with the surroundings.
Monday, February 17, 2014 at 11:18am

Physical Science
You are welcome :)
Monday, February 17, 2014 at 11:12am

Physical Science
No system is completely closed off from its surroundings. Which represents a system that is almost completely closed? A. a capped soda bottle B. a wood-burning fireplace C. a washing machine D. a pot of boiling water I believe it is A.
Monday, February 17, 2014 at 11:09am

Physical Science
Cool thnx
Monday, February 17, 2014 at 11:08am

Physical Science
I think it is the toy train. The rest are prototypes, not models.
Monday, February 17, 2014 at 11:07am

Physical Science
I think it is C.
Monday, February 17, 2014 at 10:55am

Physical Science
Which has characteristics similar to a scientific model? A. a toy train B. a deep-sea submersible C. a planetary rover D. the Brooklyn Bridge
Monday, February 17, 2014 at 10:55am

Physical Science
If any valves were open, you could not compress the gas. 5 KG * specific heat of coal * 200 coal around 1.3 *10^3 J/kgK 5 * 1.3 *10^3 * 200 = 1,300,000 so a.
Monday, February 17, 2014 at 9:57am

Physical Science
can I get some help with these questions. im not sure on these ones During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, a. both the intake and exhaust valves are open b. the intake valve is open ...
Sunday, February 16, 2014 at 11:00pm

physical science
Wt. = 80kg * 1.625N/kg = 130.7 N. g on moon = 1.625 m/s^2.
Sunday, February 16, 2014 at 9:55pm

Science
Yes, elements can be separated from compounds. It takes a reaction of some kind; i.e., they can not be separated by physical means. The gas, H2, is lighter than air; therefore, holding the tube upright with no stopper and the gas will float out. Holding the tube upside down, ...
Sunday, February 16, 2014 at 8:35pm

physical science
F = m g = G M m/R^2 10 * R ---> 1/100 90 * m ----> 90 9.81 * 90/100 = 8.83 m/s^2
Sunday, February 16, 2014 at 2:39pm

physical science
the diameter of the planet saturn is 10 times that of the earth but the mass of the planet is only 90 times greater than that of the earth.what is the gravitational acceleration or number gs you will feel on saturn?(8.8m.s-2)
Sunday, February 16, 2014 at 12:27pm

physical science
calculate the weight of a man with a mass of 80.0kg on the surface of the moon 156N?
Sunday, February 16, 2014 at 12:18pm

Physical science
Well, 0 Newtons gives 0 frictional force
Sunday, February 16, 2014 at 11:27am

Physical science
A box a weight of 100 N rests on a horizontal floor.The coefficient of static friction is 0,40 and the coefficient of kinetic friction is 0,30.DETERMISE THE FRICTIONAL FORCE ACTING ON THE BOX IF A HORIZONTAL FORCE IS APPLIED WITH A MAGNITUDE OF 0 N
Sunday, February 16, 2014 at 10:53am

physical
for a gaussin surface through which the net flux is zero the following 4 statements could be true which of the statements must be true a)tere are no charges inside the surface b)the net charge inside the surface is 0 c)the electric field is 0 everywhere on the surface d)the ...
Sunday, February 16, 2014 at 9:26am

physical
m (4 m/s) = 600 kg m/s m = 150 kg
Saturday, February 15, 2014 at 5:27pm

physical
original momentum in x direction = .4*3 - .8*2 = 1.2 -1.6 = -0.4 kg m/s so moves to left if first car was moving right final momentum in x direction = (1.2)v final momentum = original momentum (first law) 1.2 v = -0.4 v = - 1/3 meter/second
Saturday, February 15, 2014 at 5:25pm

physical
a 50 kg object moving at 12 m/s has a momentum of 600 kg times g m/s . what is the mass of an object moving at 4 m/s that has the same momentum?
Saturday, February 15, 2014 at 5:10pm

physical
what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8 kg toy car that is traveling the opposite direction of -2 m/s
Saturday, February 15, 2014 at 5:06pm

physical sciences
http://www.jiskha.com/display.cgi?id=139​2457436
Saturday, February 15, 2014 at 10:34am

Life science, physical science, business studies, pure maths
i am doing these subject at school, wat can i become!
Saturday, February 15, 2014 at 10:17am

physical science
Vi up = 10 sin 60 = 8.66 m/s if ax is horizontal acceleration, there is none. Horizontal component of velocity is constant
Saturday, February 15, 2014 at 10:16am

physical science
been there, scroll down
Saturday, February 15, 2014 at 10:14am

physical science
Vi up = 10 sin 60 = 8.66 m/s if ax is horizontal acceleration, there is none. Horizontal component of velocity is constant
Saturday, February 15, 2014 at 10:14am

physical science
A frog jumps at the angle of 60 degrees to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog
Saturday, February 15, 2014 at 9:56am

physical science
A frog jumps at the angle of 60% to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog
Saturday, February 15, 2014 at 9:56am

physical sciences
a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?
Saturday, February 15, 2014 at 4:44am

English Speech Paper (can some1 revise it)PLZ&TY
Gun Control I do not understand why people believe gun control actually works or why we need it. Guns, like other weapons, though more deadly and possibly more convenient to use, are still inanimate objects and are not the cause of violence or killings. Gun control is not ...
Friday, February 14, 2014 at 5:10pm

Physical Science Need Help Quick PLEASE:)
Ok Cool THANK YOU all
Friday, February 14, 2014 at 5:09pm

geography
1-20 can you please check my answers marked with *** which of the following were the main proponents of NAFTA? a. labor unions b. human rights groups c. environmentalists ***d. large corporations in the 1950s 40 percent of the u.s workforce was engaged in manufacturing by the ...
Friday, February 14, 2014 at 4:25pm

Ethics
1. yes, values 2. yes, physical strength
Friday, February 14, 2014 at 2:29pm

Ethics
1. Those things that we hold to be worthwhile and worth pursuing, such as freedom, happiness, and health, can be thought of as: A. virtues. B. values. C. vices. D. obligations. is it B 2. Which of the following would NOT be an example of a moral value? A. Happiness B. ...
Friday, February 14, 2014 at 2:25pm

Physical Science
a = change in velocity/change in time = (11 - 0) / 10 = 1.1 m/s^2
Friday, February 14, 2014 at 12:43pm

Physical Science Need Help Quick PLEASE:)
Al;so go back and find I added to answers to your earlier questions
Friday, February 14, 2014 at 12:42pm

Physical Science Need Help Quick PLEASE:)
Newton - THIRD LAW use Google !!!!!
Friday, February 14, 2014 at 12:41pm

Physical Science Need Help Quick PLEASE:)
http://www.physicsclassroom.com/class/ne​wtlaws/u2l4a.cfm
Friday, February 14, 2014 at 12:23pm

Physical Science Need Help Quick PLEASE:)
Someone may be able to check your answer.
Friday, February 14, 2014 at 12:21pm

Physical Science Need Help Quick PLEASE:)
A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A. The force of the mallet on the ball is equal in magnitude and opposite in ...
Friday, February 14, 2014 at 12:17pm

Physical Science
An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?
Friday, February 14, 2014 at 11:35am

physical science
19. (2 points) Ball 2, with a mass of 30kg, is moving to the left at 10m/s. With what velocity should Ball 1, with a mass of 10kg, move to the right and collide with Ball 2, so that Ball 1 rebounds with a velocity of 30m/s, and Ball 2 with a velocity of 10 m/s, after the ...
Thursday, February 13, 2014 at 8:33pm

Physical Science
average a = 11/10 = ?
Thursday, February 13, 2014 at 12:46pm

Physical Science
An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?
Thursday, February 13, 2014 at 12:10pm

physical sciences
it shall be at 12N
Thursday, February 13, 2014 at 9:04am

Physical Education
In addition to searching on the Internet, you also need to make best friends with the reference librarian(s) in your local or college library. Libraries these days subscribe to enormous research databases, and they are often usually more useful than Internet searches. Ask your...
Thursday, February 13, 2014 at 8:00am

Physical Education
I know I want, I been searching all day since I wasn't able to use the school website. Is there anybody in college that can use their school website to help me...anybody??
Thursday, February 13, 2014 at 12:52am

Physical Education
I just doubt if you will find those kind of references on the web.
Wednesday, February 12, 2014 at 11:53pm

Physical Education
There's a technical issue with the school website so I'm looking for a different option..
Wednesday, February 12, 2014 at 11:35pm

Physical Education
I think I would advise two things: start at your college library then triple space your paper.
Wednesday, February 12, 2014 at 11:26pm

Physical Education
I have to da a 10 page paper on Integration of health and physical education in curriculum. I need help finding 10 journal articles that are peer-reviewed, current trends and political background. Help please???
Wednesday, February 12, 2014 at 11:12pm

physical science
a. Fap-Ff = m*a = m*0 Fap - Ff = 0 The velocity is constant. Therefore, the acceleration is zero. Fap = Force applied. Ff = Force of friction. b. Fap - Ff = 0 100 - Ff = 0 Ff = 100 N.
Wednesday, February 12, 2014 at 9:28pm

Chemistry
Explain how a person bailing out a row boat with a leak could represent a state of physical equilibrium.
Wednesday, February 12, 2014 at 9:06pm

physical science
2
Wednesday, February 12, 2014 at 2:20pm

physics
1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both ...
Wednesday, February 12, 2014 at 6:11am

physical science
2000m/8.6s = ?m/s
Tuesday, February 11, 2014 at 3:01pm

physical science
what is the velocity of ironman if he travels up 2,000 meters in 8.6 seconds
Tuesday, February 11, 2014 at 2:57pm

physical science
Two force vector,a and b act on an object in the x direction and b acts on a y direction. Use words and diagram to explain how you can find the resultant force acting on the object by using the tail-to-head method
Tuesday, February 11, 2014 at 1:25pm

Physical Chemistry
Really this is analytical chemistry. It will take twice as much to reach the second as it did to reach the first.
Monday, February 10, 2014 at 12:13pm

Physical Chemistry
If 20.0mL of 0.122M NaOH are required to reach the first equivalent point of a solution of citric acid(tripotic acid H3C6H5O7).How many mL of NaOH in total are required to reach the second equivalence point?
Monday, February 10, 2014 at 4:07am

physics
passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both observers ...
Sunday, February 9, 2014 at 7:09pm

physical scief = nce
f=ma or a = f/m = 10/1 = ?
Sunday, February 9, 2014 at 6:24pm

physical science
Mass is the same no matter where. Weight is greatest on planet with largest G and smallest on planet with smallest G.
Sunday, February 9, 2014 at 6:23pm

physical science
A horizontal force of 100 N is required to push a box across the floor at a constant velocity. a) Show that the net force acting on the box is zero. b) Show that the friction force that acts on the box is 100 N.
Sunday, February 9, 2014 at 5:21pm

physical science
Consider a 100-kg box of tools in location: A: on Earth B: on the Moon C: on Jupiter. Rank from greatest to the least the a) masses of the 100 kg box of tools and b) the weights of the 100-kg box of tools.
Sunday, February 9, 2014 at 5:20pm

physical science
If you know that a 1-kg object weighs 10N, confirm that the acceleration of a 1-kg stone in free fall is 10 m/s2.
Sunday, February 9, 2014 at 5:16pm

physical science
I don't like it.
Friday, February 7, 2014 at 12:36pm

physical science
what do you think about the kind of charge on the plastic straw
Friday, February 7, 2014 at 12:17pm

Research Project: Anatomy & Physiology 1
Could someone read this paper and tells me if this is good or do I need to change some stuff: Introduction: ALS is distinguish by insistent collapse of both upper motor neurons (UMN) and lower motor neurons (LMN) leading to progressive muscular paralysis and death usually ...
Friday, February 7, 2014 at 10:29am

heailth
There's only one of these choices that has anything to do with increasing physical activity. Do you see it?
Friday, February 7, 2014 at 7:26am

heailth
How can communities and government help promote physical activity initiatives? A. Create walking trails B. Eliminate sidewalks C. Lower taxes D. Raise taxes
Friday, February 7, 2014 at 2:25am

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 ...
Wednesday, February 5, 2014 at 12:15am

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 ...
Wednesday, February 5, 2014 at 12:15am

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 ...
Wednesday, February 5, 2014 at 12:15am

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 ...
Wednesday, February 5, 2014 at 12:15am

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 ...
Wednesday, February 5, 2014 at 12:15am

Physical sciences
F = 10 + 30 = 40 N.
Tuesday, February 4, 2014 at 9:25pm

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 ...
Tuesday, February 4, 2014 at 8:39pm

physical science
cause
Monday, February 3, 2014 at 11:45pm

physical science
Explain using newtons first law why traveling car using a rope is dangerous compared using a steel car
Monday, February 3, 2014 at 11:00pm

chemistry
All of them are solids for one. How many do you need? I suggest you google each, list the physical properties of each, then make a list of those in common.
Monday, February 3, 2014 at 10:46pm

Physical
change of momentum = .14 * 38 average speed during stop = 38/2 = 19 time to stop = t =.15/19 = .00789 seconds F = change in momentum/time = .14*38/.00789 = 674 Newtons (ouch)
Monday, February 3, 2014 at 10:07pm

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?
Monday, February 3, 2014 at 9:55pm

chemistry
What physical properties of calcium chloride, citric acid, sodium iodide, potassium iodide, and sucrose have in common?
Monday, February 3, 2014 at 8:41pm

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
Monday, February 3, 2014 at 2:41pm

Physical sciences(Mechanics)
cos 30 = .866 3000 * .866 = 2598 N
Monday, February 3, 2014 at 1:35pm

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.
Monday, February 3, 2014 at 1:11pm

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, ...
Sunday, February 2, 2014 at 10:31pm

Physical Science
Explain the energy conversions that occur as a basketball falls, hits the ground, and bounces back up. Ignore frictional forces.
Sunday, February 2, 2014 at 6:02pm

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
Sunday, February 2, 2014 at 3:02pm

physical science
work = m g h = 70 * 9.81 * 2.2 joules power = work in Joules /time in seconds = 70 * 9.81 * 2.2 / 1.2 in Joules per second which is WATTS
Saturday, February 1, 2014 at 6:20pm

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?
Saturday, February 1, 2014 at 5:54pm

physical science
V = Vo + g*t = 0 @ max ht. Vo - 9.8*4.24 = 0 Vo = 41.55 m/s. = Initial velocity, up. = Final velocity, down.
Saturday, February 1, 2014 at 3:30pm

reading
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 ...
Saturday, February 1, 2014 at 3:23pm

English
That's not the correct use of "conflicts" as a verb. Here's a suggestion? This can include mental, physical, and emotional abuse that any member of a family inflicts on another member of the family.
Thursday, January 30, 2014 at 3:39pm

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&#...
Thursday, January 30, 2014 at 3:37pm

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?
Thursday, January 30, 2014 at 2:12pm

science --- check my answers!
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 ...
Thursday, January 30, 2014 at 1:22pm

Physical Education - Check my answer please
You're welcome, Elina.
Thursday, January 30, 2014 at 12:30pm

Physical Education - Check my answer please
Thanks Ms. Sue
Thursday, January 30, 2014 at 12:24pm

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