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September 19, 2014

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Recent Homework Questions About Physical Fitness

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Physical Science
Under what circumstances would you expect the shared electron pair to be equal distances on the average from each of the atoms participating in a covalent bond?
Tuesday, October 18, 2011 at 2:05pm

Physical Education
Im just wondering, why isnt it an elective?
Monday, October 17, 2011 at 4:30pm

Physical Science
What kind(s) of particles make up (a) gaseous compound (b) liquid compound (c) solid compound?
Monday, October 17, 2011 at 2:34pm

Physical Science
Estimate the volume of an atom of iron 56Fe given atomic number: 26 A.) 8.6 x 10-24 cc B.) 1.2 x 10-23 cc C.) 2.4 x 1024 cc D.) 3.6 x 1024 cc
Monday, October 17, 2011 at 11:14am

Physical Science
A chemist is investigating an unknown gas. She observes that it combines with oxygen. It takes two liters of oxygen to fully react with one liter of the unknown gas, and that the resulting volume of gas is also two liters. What does she conclude? A.) The unknown gas is ...
Monday, October 17, 2011 at 10:28am

Physical Science
The physical properties of ice are different from the physical properties of dry ice (frozen carbon dioxide). But the physical properties of gaseous water vapor and the physical properties of gaseous carbon dioxide are the same. Why? A.) The valence electrons are more tightly ...
Monday, October 17, 2011 at 10:26am

physical science
The ionization energies of Li, Na, K, Rb, and Cs are respectively 5.4, 5.1, 4.3, 4.2, and 3.9 eV. All are in Group 1 of the periodic table. Explain the decrease in ionization energy with increasing atomic number in this group.
Monday, October 17, 2011 at 1:22am

physical science
Would you expect magnesium or calcium to be the more active metal? Explain your answer in terms of atomic structure.
Monday, October 17, 2011 at 1:21am

physical science
how do i find how long the steel is in a 156 kg coil of sheet steel that is .80 mm thick and 50 cm wide.
Sunday, October 16, 2011 at 6:31pm

physical
. On Earth the Mars rover had a weight of 9800 N. What will be its weight on mars where the acceleration due to gravity is 4 m/s
Sunday, October 16, 2011 at 6:24pm

physical
height=42m,speed=250m/s, how long will the object remain in air?
Saturday, October 15, 2011 at 7:52pm

physical
A ball is thrown from the window of a high-rise building with an initial velocity of 7.7 m/s at an angle of 34 deg. below the horizontal. The bill strikes the ground 4.2 seconds after being thrown. Find the height from which the ball was thrown.
Saturday, October 15, 2011 at 5:26pm

Physical Science
Why is the viscosity of a liquid important?
Saturday, October 15, 2011 at 2:52pm

Physical Science
what forward force must the ground apply to the foot of a 60.0 kg person to result in an acceleration of 1.00m/s^2
Friday, October 14, 2011 at 5:04pm

operating a car
It is important to make sure that any person selling you a car has : A.physical possession of the vehicle. B.informed the motor vehicles department of the intention to sell the vehicle. C.legal title to the vehicle. D.a good reputation for honesty. i got C
Thursday, October 13, 2011 at 4:40pm

Physical Science
What is an example of radioactive decay?
Thursday, October 13, 2011 at 1:35pm

Physical Science
A 43.0 g silver spoon at 22.3°C is placed in a cup of coffee at 90.0°C. The spoon absorbs heat from the coffee to reach a temperature of 89.0°C. If the silver spoon placed in the coffee causes it to cool 0.89°C, what is the mass of the coffee?
Wednesday, October 12, 2011 at 4:35pm

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?< (A) The passenger is in motion relative to the passer-by (B) The passer-by is stationery relative to the ...
Wednesday, October 12, 2011 at 11:51am

computers
TMA1PHY111 ( 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?< (A) The passenger is in motion relative to the passer-by (B) The passer-by is stationery relative ...
Wednesday, October 12, 2011 at 11:49am

physical science
during a football game two players try to tackle another player.one player applies a force of 50.0 n to the east. a second player applies a force of 120.0 n to the north . what is the total applied force?and what is themagnitude and direction of the force
Tuesday, October 11, 2011 at 11:08am

College Organic Chem
1)what is the name of the common commercial chemical that is always obtained from the reaction of fats and strong bases such as NaOH and KaOH. 2)What is a physical property that you can tell the difference between glyceryl trimyristate abd myristic acid that is the same color ...
Monday, October 10, 2011 at 9:03pm

Physical Science
a.Calculate which one of the reactants will be used up if 20g of Fe is mixed with 10g of S and heated. b.How many grams of the other reactant were in excess?
Monday, October 10, 2011 at 6:58am

Physical Science
Find the work done in pushing a 120 kg box for 5 meters across the floor. W=F * D (F=m*g) a. 600.0 J b. 5,880.0 J c. 5,008.8 J d. 601.5 J
Sunday, October 9, 2011 at 11:49pm

Physical Science
Find the work done in pushing a 120 kg box for 5 meters across the floor. W=F * D (F=m*g) a. 600.0 J b. 5,880.0 J c. 5,008.8 J d. 601.5 J
Sunday, October 9, 2011 at 11:17pm

Physical Science
The ___________ of an element have atoms whose nuclei differ in their numbers of neutrons.
Sunday, October 9, 2011 at 11:13pm

physical
What is the traverling ball in Hanbball
Sunday, October 9, 2011 at 11:34am

Physical Science
What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^-11m and an electron whose de Brogile wavenlength is also 10^-11m?
Saturday, October 8, 2011 at 3:07pm

Physical Science
A certain metal surface emits electrons when light is shone on it. (a)How can the number of electrons per second be increased? (b) How can the energies of the electrons be increased?
Saturday, October 8, 2011 at 2:19pm

physical education
in what all tips does physical education help?
Saturday, October 8, 2011 at 10:05am

physical
What is the wavelenght if the distance covered by a wave in 14 succesive trough is 25cm
Saturday, October 8, 2011 at 7:03am

physical
What is the wavelenght if the distance covered by a wave in 14 succesive trough is 25cm
Saturday, October 8, 2011 at 6:57am

internet
Information systems security? For the scenarios that follow,identify the data that would need to be protected.Recommend how you would implement one or more of the following controls for the given scenario and justify your recommendation. 1.Administrative controls 2.Logical and...
Thursday, October 6, 2011 at 10:47pm

English help
Which details can be considered primary support for the main primary suppor for the main idea statement. Many dramatic physical changes occur during adolescence between the ages of 13 and 15 a.voices changes in boys begin to occur at 13 or 14 b.facial proportions may change ...
Thursday, October 6, 2011 at 7:27pm

Physical science
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
Thursday, October 6, 2011 at 2:44pm

physical science
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
Thursday, October 6, 2011 at 2:40pm

Physical Science
What is the frequency of electromagnetic radiation that has the same wavelength as the sound waves of middle C on a piano? A) 1.1 x108 Hz B) 2.2 x108 Hz C) 4.4 x108 Hz (my answer am I correct) D) 6.6 x108 Hz
Wednesday, October 5, 2011 at 4:06pm

Physical Science
Can someone please help me with this question Im not really sure what the question is asking, I don't understand at all. Please explain. With sound, you get harmony when the frequencies of two sounds are in the ratios of small integers - eg, two sounds with one frequency ...
Wednesday, October 5, 2011 at 4:01pm

PHYSICAL SCIENCE
density of a sample of zinc that has a mass of 48 kilograms and a volume of 7.5 mL.
Wednesday, October 5, 2011 at 9:59am

Chem
State one physical property and one chemical property of oxygen. Physical property: Chemical property:
Wednesday, October 5, 2011 at 3:40am

Social studies
What were the earliest civilizations in Mesopotamia? What would be a physical description of Mesopotamia? Cultural description of southwest Asia?( main language, religion, resources,etc)
Tuesday, October 4, 2011 at 7:25pm

Language Arts
In the sentence....The letter listed gifts for the wedding. Would listed be a physical action verb or a mental action verb?
Tuesday, October 4, 2011 at 9:08am

Language Arts
In the sentence ...The letter listed gifts for the wedding. Would listed be a physical action verb or a mental action verb?
Tuesday, October 4, 2011 at 7:59am

Language Arts
In the sentence....It formally accepted the bride into the groom's family. Would accepted be a mental action verb or a physical action verb?
Monday, October 3, 2011 at 10:02pm

ped212
Discuss the differences between process and product evaluation. Give examples of each type of evaluation. Discuss the value of each type of evaluation. What is the significance of focusing on the process in physical education? How does this information help you as a teacher to...
Monday, October 3, 2011 at 9:15pm

Physical Science
What fuel other than uranuin can be used in a nuclear reactor?
Sunday, October 2, 2011 at 9:53pm

physical Chem
why does the Shroedinger equation have a specific operator for kinetic energy and only a general expression (V) for potential energy
Sunday, October 2, 2011 at 3:00pm

English
I have to write an analytical essay discussing how Chaucer's Wife of Bath's Tale and Prolgue present the complex interaction of body and spirit. And I am struggling on a good thesis. From the text, I know that she definitely indulges in the bodily, as she constantly ...
Sunday, October 2, 2011 at 1:11pm

physical geology
Select a city or region that is faced with one of the following issues: o Saltwater invasion in coastal wells o Depletion of an aquifer for drinking or agricultural water o Subsidence associated with water pumping o Depletion or pollution of surface water from human use o ...
Sunday, October 2, 2011 at 1:05am

Physical Science
An electric hoist lifted a load with a mass of 250kg to a height of 80m in 39s , Calculate
Friday, September 30, 2011 at 11:56am

understanding psychology
when physical energy has resulted in a response in a sense organ, it is clear that:
Thursday, September 29, 2011 at 7:13pm

psychology
One common aspect of among dissociative disorders is: (a.)memory of childhood abuse. (B.)escape from an anxiety-producing situation. (C.)a painful physical symptom.(d.) departure from reality.
Thursday, September 29, 2011 at 4:40pm

Physical science/football/algebra
suppose that Andrew is running down the field at 8 yards per second and then cuts right running 6 yards per second. He executes this maneuver in 0.5 seconds. Calculate his acceleration
Thursday, September 29, 2011 at 4:11pm

Physical science/football/algebra
suppose that Andrew is running down the field at 8 yards per second and then cuts right running 6 yards per second. He executes this maneuver in 0.5 seconds. Calculate his acceleration
Thursday, September 29, 2011 at 4:11pm

Physical science/football/algebra
suppose that Andrew is running down the field at 8 yards per second and then cuts right running 6 yards per second. He executes this maneuver in 0.5 seconds. Calculate his acceleration
Thursday, September 29, 2011 at 4:11pm

Physical Science
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom??
Thursday, September 29, 2011 at 2:52pm

Physical Science
True or False. To a scientist, work is done when a force is exerted through a distance.
Tuesday, September 27, 2011 at 5:31pm

social studies
give me examples of physical features?
Tuesday, September 27, 2011 at 4:29pm

physical science
17. In the Mass in Motion lab, you rolled a ball down a ramp to see how far it moved a cup. What did this experiment demonstrate? (Points : 3) An object´s momentum increases with velocity. An object´s momentum decreases with velocity. An object´s mass ...
Tuesday, September 27, 2011 at 1:51pm

physical science
give one word/term for each of the following descriptions. 1.A substance that donates electrons in chemical reaction. 2.The formula showing the simplest whole number ratio in which the atoms combine to form a compound.
Tuesday, September 27, 2011 at 12:39pm

Health
11. The physical changes that prepare your body to respond quickly and appropriately to stressors are medical alert responses. a. true b. false B? 29. Someone with ADHD is likely to benefit from a. group therapy b. medication c. psychotherapy d. all of the above B? 33. Seeing ...
Monday, September 26, 2011 at 9:07pm

physical science
a sled and rider with a combined weight 60kg are at rest on the top of a hill 12m high. what is their total energy at the top of the hill?
Monday, September 26, 2011 at 7:26pm

Physical Science
1. A silver bar 0.125 meter long is subjected to a temperature change from 200C to 100C. What will be the length of the bar after the temperature? A. 0.124764 meter (MY ANSWER) B. 0.00023635 meter C. 0.00002363 meter D. 0.0000189 meter 2. When the molecules in a body move with...
Monday, September 26, 2011 at 5:24pm

Physical Science
1. In which of the following units is acceleration expressed? *A. Newtons B. Foot-pounds C. Kilograms D. Meters per second squared 2. A stone falls from a ledge and takes 16 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge? A. 1,254...
Monday, September 26, 2011 at 2:17pm

physical science
You have two cups, one containing 100 g of ice at 0oC, the other containing 100 g of water at 80oC. You pour the hot water into the cup containing the ice. What do you wind up with? A) 100 g of 0oC water and 100 g of 80oC water. B) 50 g of 0oC ice and 50g of 0oC water. C) 200 ...
Monday, September 26, 2011 at 12:42am

help please!
All the following are effective techniques for a kinesthetic learner EXCEPT: A.Study while participating in a physical activity. B.Have someone quiz you orally. C.use experiments to learn the material. D.building a model. i got C what do you think ?
Sunday, September 25, 2011 at 5:04pm

Physical Science
Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the substance have very different melting temperatures and densities. The unknown substance is most likely a ...
Sunday, September 25, 2011 at 4:12pm

Physical Science
A charge of +2 X 10^-7 C is 10 cm from a charge of -6 X 10^-6 C. Find the magnitude and direction of the force of each charge. Could someone help me with this problem. I dont know what to do.
Sunday, September 25, 2011 at 4:12pm

Physical science
Why is zinc added to gold cyanide
Sunday, September 25, 2011 at 3:41pm

Physical Science
A charge of +2 X 10^-7 C is 10 cm from a charge of -6 X 10^-6 C. Find the magnitude and direction of the force of each charge.
Sunday, September 25, 2011 at 3:37pm

physical science
if two lighting volts heat exactly they same place at they same time in are frame of ref.,it is possible that observed in other frames will see the volts heating at diff. time r at diff. places????? explain.
Sunday, September 25, 2011 at 10:38am

physical education
what are the arguments for and against drugs in sports
Saturday, September 24, 2011 at 8:13am

Social studies
What physical factors played a rolled in developing the geography of the four mayor natal regions of Texas
Thursday, September 22, 2011 at 8:51pm

Chemistry
I don't quite understand these questions.. Please help, thank you! 1. What happens Qualitatively on both the Macroscopic and Atomic Levels when Zinc, Iodine and Water are mixed? Does a Reaction occur? 2. If a Reaction does take place, are the Physical and Chemical ...
Thursday, September 22, 2011 at 3:14pm

Physical Science
Two carts ( a's mass = 4.5 kg and b's mass = 1.5 kg) are held against a strong compressed string. The carts are released simultaneously, and B moves off to the right wqith a speed of 2.0 m/s. What is A's initial velocity? Please show work.
Wednesday, September 21, 2011 at 7:40pm

science
i need help in finding the defintion for words like physical,mass,behavior,color,melting point, appearance,never,density,senes,chemical,​gas,boiling point,deposition,condensation,vaporizati​on,sublimation.
Tuesday, September 20, 2011 at 6:25pm

science
How do the physical properties of the parts of a pencil affect howthe pencil is used?
Monday, September 19, 2011 at 9:33pm

Psychology
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of sunlight. To test...
Monday, September 19, 2011 at 6:28pm

Geography
What is the difference between a physical map and a political map?
Monday, September 19, 2011 at 2:26pm

geography
What two countries are similar in physical shape? My answer is Africa and South America Is this right?
Monday, September 19, 2011 at 2:17pm

physical science
which of the following statements correctly describes the substance with the formula KI?
Monday, September 19, 2011 at 1:37am

Physical Science
I need someone to go over and correct my answers please, I was haveing trouble on these three. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B) 64 m/s. C) 128 m/s. D) 640 m/s. I think its a A string on a guitar is 0.4 m long and ...
Sunday, September 18, 2011 at 10:34pm

Physical Science
A tire contains air at a pressure of 2.8 bar at 10 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 35 degrees Celsius as the car is driven?
Sunday, September 18, 2011 at 9:34pm

Physical Science
A 156-kg coil sheet steel is 0.80 mm thick and 50 cm wide. How long is the steel in the coil?
Sunday, September 18, 2011 at 9:24pm

physical science
A 65 kilogram person stands on a diving board 15 meters above the water. figure the GPE. show formula and work
Sunday, September 18, 2011 at 9:18pm

physical science
a tennis ball travels the full length of the court,24m, in 0.5s. what is the average speed
Sunday, September 18, 2011 at 9:07pm

Physical Science
Ninety kilojoules of heat were added to a 2.0-kg piece of wood whose temperture then rose from 20 degrees Celsius to 48 degrees Celcius. What was the specific heat of the wood?
Sunday, September 18, 2011 at 8:09pm

Physical Science
The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue? No one has been able to answer this one!!
Sunday, September 18, 2011 at 7:56pm

Physical Science
Tempertaures in both Celsius and Fahrenheit scales can be negative. Why is a negative tempertaure impossible on the absolute scale?
Sunday, September 18, 2011 at 7:50pm

Physical Science
What are the equivalents of 0 K, 0 degrees Celsius, and 0 degrees F in the other tempertaure scales?
Sunday, September 18, 2011 at 7:43pm

Physical Science
A bridge in Sweden carries the Gota Canal over a highway. What, if anything happens to the load on the bridge when a boat passes across it in the canal?
Sunday, September 18, 2011 at 7:37pm

Physical Science
Can you please go over my answers to see if Im correct Im having trouble in this class. A car with mass 2000kg is held at a height of 1.8 meters by a hydraulic lift. The surface area of the piston inside the lift is 300cm², and the surface area of the input tube at the ...
Sunday, September 18, 2011 at 7:29pm

Physical Science
The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue?
Sunday, September 18, 2011 at 7:28pm

Physical Science
Would it be more efficient to warm your bed on a cold night with a hot water bottle that contains 1 kg of water at 50 degrees C or with a 1 kg gold bar at 50 degrees C?
Saturday, September 17, 2011 at 5:09pm

Physical Science
What is the Celsius equivalent of a temperature of 160 degrees F?
Saturday, September 17, 2011 at 4:56pm

CRT 205
Can someone review this and let me know if it is acceptable?? This class was so hard and it has been all i can do to pass it! Here is the article i chose Addiction Is a Choice, Not a Disease Addiction , 2009 Content Level = Intermediate Dale Netherton, "It's Not ...
Saturday, September 17, 2011 at 1:04am

physical
QUESTION 4 [18] Two long current-carrying wires are shown in Fig 1. They are carrying the same current I which are pointing in opposite directions. Their separation is s. A field point Q lies in their plane, a distance ñ from their midline. 4.1 Find the field intensity ...
Friday, September 16, 2011 at 9:53am

social studies
how has the physical characteristics of ny state affected the way people live?
Thursday, September 15, 2011 at 8:50pm

physical education
what is physical education
Thursday, September 15, 2011 at 7:46pm

English
Thank you very much. I left out the following definitions. 1)Lord Henry makes a panegyric of beauty, in which he defines beauty as higher than genius since it needs no explanation. 2) It is one of the great facts of the world, like sunlight or springtime. Lord Henry goes on to...
Thursday, September 15, 2011 at 5:23pm

physical science
A car travels at a constant speed of 60 km/h for 3.5 hours. What is the total distance that the car has traveled?
Tuesday, September 13, 2011 at 10:15pm

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