Physical Education

1. Physical chemistry 2
50 ml of 0.02M acetic acid is titrated with 0.1M NaOH.Calculate the pH of the solution when 10ml of NaOH is added
2. Physical Science
How do you calculate the number of grams of ice at 32 degrees celsius that can be melted by 1g of steam?
3. Physical Science
How do you get the velocity of a roller coaster when you are only given 250.0kg and 2.000x10^4 Joules
4. Physical Science
A 1.00 kg block of ice at zero degrees celsius is added to a picnic cooler. How much heat will the ice remove as it melts to water at zero degrees Celsius?
5. Physical Science
Calculate the number of grams of ice at 32 celsius that can be melted by 1g of 100 degrees celsius steam
6. Physical science
a 5.0 x 10^1g piece of a metal in thermal equilibrium with boiling water is removed and placed in 1.0 x 10^2g of a cooling water bath (specific heat= 1.00cal/g degrees celsius at 20.0 degrees Celsius . The final temperature of metal and the water bath is 28.0 degrees celsius ...
7. Physical Science
A 250.0 kg roller coaster has 2.000 x 10^4 Joule of potential energy at the top of the hill , if the track is frictionless , what is the coasters velocity at the bottom of the hill?
8. Physical science
How much work is required to stop a car that is 800.0 kg car that is traveling at 20.0 m/s?
9. Physical science
How much work is required to stop a car that is 800.0 kg car that is traveling at 20.0 m/s?
10. physical Science
The Mass Of A Minibus with The Driver is 1500 kg.the Driver Is Moving At A Speed Of 30 m.s When He Notices That The traffic light Ahead Have turned To red.he Applies A Force Of 9000N on the brake pedal. A)calculate his deceleration if the taxi is empty B)how far must he be ...
11. Physical science
For magnitude of the force is 67n and force of friction is 34n
12. science
name two physical properties of an object about which you can gather qualitative data
13. Physical sciences
1 term question 1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction 2 waves in which the particles vibrate in a direction perpendicular to the direction in which the wave energy is propagated 3 the force per unit ...
14. Physical sciences
1 term question 1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction 2 waves in which the particles vibrate in a direction perpendicular to the direction in which the wave energy is propagated 3 the force per unit ...
15. Physical sciences
1 term question 1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction waves in which the particles vibrate in a direction perpendicular to the direction in which the wave energy is propagated 3 the force per unit ...
16. Physical sciences
1 term question 1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction waves in which the particles vibrate in a direction perpendicular to the direction in which the wave energy is propagated 3 the force per unit ...
17. physical
a car a starts from rest 305kg increase its equal to 10m/s in 2 second
18. Social Studies
How did Nubia's physical features affect civilization in the region?
19. physical
Suppose a sound of frequency 1200 Hz is emitted from a speaker 15 meters away from you. At YOUR location, the intensity is 1.0E-7 W/m2. Let me assume your eardrum has area 3E-5 m2. If the sound continues for 8 seconds, what total amount of energy is received by your ear?
20. Management for Organizations
Would someone PLEASE check my answers..THANKS in advance!!! 1. Employee inventories and skills inventories are strategies for ________________________. (D) job design promoting-from-within external recruiting human resource planning 2. Which one of the following choices is not...
21. Please help check physical science!
Please help check my answers I really want to make a 100%! 1. A mechanical wave moves through a medium, which can be (1 point) A. a liquid. B. a solid. C. a gas. D. all of the above <-- This one 2. Which type of kind of wave causes the medium to vibrate only in a direction ...
22. English
Request for feedback on CAUSE essay. Please give input on below essay: “I ran three miles, staggered into the lobby, and took the elevator to my apartment, no use overdoing this exercise junk.” Janet Evonovich About 40% of Americans report that they never exercise, on the ...
23. Physical Science
A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?
24. Physical science
When a crate slides down an incline at a constant velocity it is
25. chemistry
is putting gas in a vehicle a physical or chemical reaction
26. General Biology
Darwin used which of the following terms to describe the process by which those individuals that possess superior physical, behavioral, or other attributes are more likely to pass their traits to the next generation?
27. physical
Hey everyone... hoping I can get an answer soon... I have a PD/H/PE homework assignment on which we have to create an collage on Physical, Spiritual, Emotional, Social and Mental health. I am stuck on a definition for spiritual health, me not being a very big know-it-all in PD...
28. physical chemistry
This question is about a lab called Heats of Ionic Reaction in my Physical Chemistry class. I need to know why there should be a large percentage error in deltaH4
29. physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
30. English
The assignment is to write a CAUSE paper on an addiction. There is to be three topic sentences with support, a thesis, an introduction and a conclusion. I obviously have left of my sources, and need to insert them. I would really appreciate some feedback and some help ...
31. physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
32. physical science
10. A balloon has a volume of 0.5 L at 20°C. What will the volume be if the balloon is heated to 150°C? Assume constant pressure and mass.
33. physical science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of Mt. Everest?
34. physical science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of Mt. Everest?
35. physical science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
36. physical science
Hypothesize how the pH of white vinegar would change if an ammonia solution was added to it a drop at a time. White vinegar has a pH of 3.1
37. physical
A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of 3m/s in order to swim ashore. If he changes his mind, can he swim back to the boat if his swimming speed is 1m/s? If not, can the woman change the ...
38. physical
When 1 g of gasoline is burned in an engine, about 48 kJ of heat is produced. How much mass is lost in the process? Do you think this mass change could directly measured
39. physical science
You wish to heat 30 kg of water from 60°C to 80°C. How many kcal of heat are necessary to do this? To how many kJ does this correspond?
40. Physical Science
ok so i keep getting one wrong on a 4 question test and failing so can someone tell me what im getting wrong 1. What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical attraction and repulsion. C. ...
41. world geo
Explain how Western Europe's physical geography affects its climate, settlement patterns, culture, and economy
42. Physical Science
what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.
43. physical science
You are at a concert and you are located 91.2-m from the speakers. The frequency belting from the speakers are 291-Hz, if it takes 0.230-sec for the sound to reach your location what is the sounds wavelength?
44. physical science
You are at a concert and you are located 95.9-m from the speakers. The frequency belting from the speakers are 257-Hz, if it takes 0.503-sec for the sound to reach your location what is the sounds wavelength?
45. physical science
You are at a concert and you are located 97.5-m from the speakers. The frequency belting from the speakers are 216-Hz, if it takes 0.181-sec for the sound to reach your location what is the speed of sound in this facility?
46. Physical Science
Find the change in the force of gravity between two planets when their masses remain the same but the distance between them is increased by 10 times.
47. physical
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s².)
48. physical
what are the limitations on practical interstellar travel for both manned and unmanned craft and what are some proposed ways to deal with them in the future?
49. physical
A computer is reading data from a rotating CD-ROM. At a point that is 0.036 m from the center of the disc, the centripetal acceleration is 120 m/s2. What is the centripetal acceleration at a point that is 0.056 m from the center of the disc?
50. Physical Science
A car and a truck are on the highway. Both need to accelerate at 7 m/s2 in order to avoid an accident. a. Find the force acting on the car, which has a mass of 408 k b. Find the force acting on the truck, which has a mass of 2,100 kg.
51. Physical Science
A force of 20 N is applied to a box of books with a mass of 4kg. Find the acceleration of the box of books.
52. Data Mangement- Math
The diagram represents the computer network between the department offices in a high school. The network can send data from one computer to another using any number of intermediate connections, but the data can pass through each connection only once. How many routes are there ...
53. Physical science
If a ball is thrown straight up at a speed of 24.7 m/s, for how long of a time will it continue to rise before it starts to fall back down?
54. Physical Science- Balance Equations
Hi! Can someone please balance these equations, please?! I'm having major trouble! Thank you! HCl (aq) + NaHCO3 (aq) ¨ HBr (aq) + NH3 (aq) ¨ LiHCO3 (aq) + HI (aq) ¨
55. psychology
Particular factors encourage people to be drawn into liking one another. In this context, the reciprocity of liking effect is primarily associated with A. physical attractiveness. B. propinquity. C. similarity. D. exposure.
56. Basketball Current Event
Dear Tutor, I have to do a current event for Physical Education on basketball. My problem is that I don't know anything about basketball and my coach wants it to be on a famous basketball team that has recently played. Can you help me find an article. I am really dumb when it ...
57. Basketball Current Event
Dear Tutor, I have to do a current event for Physical Education on basketball. My problem is that I don't know anything about basketball and my coach wants it to be on a famous basketball team that has recently played. Can you help me find an article. I am really dumb when it ...
58. algebra
a physical education teacher was getting ready for gym class one day . he measured the circumference of the basketball to be 9 inches when it is filled with air . he then went on to pose the following question to his classes : use 3.14 A ) how much material is needed to make ...
59. Physical Science
A force of 60N used to push a chair across a room does 300J of work in half a minute. How far does a chair move?
60. physical science
a scientist found a fossilized bison. using Carbon-14 dating, she found that the fossil was about 45,840 years old. Carbon-14 has a half-life of 5730 years. how many half-lives have passed?
61. chemestry
Explain the physical significance of van der waals,parameters ?
62. physical science
sodium-24 has a half life of 15 hours,how much of a 50 gram sample will be left after 60 hours
63. physical science
cobalt-60 has a half-life of 5.26 years, how much of a 500 gram sample will be left after 21 years
64. Speech 09
I'm posting this question again I really need to know if i am right or wrong please help Place the correct letter next to the item that matches it. A. Physical Barrier B. Mental Barrier C. Cultural Barrier D. Empathic Listening E. Listening for Information F. Critical ...
65. Education/Technology
To get instant feedback for assessment, such as physical education fitness, a music lab activity, or reading competency, students have been shown how to use A) scanners or punch cards. B) handheld computers or PDAs. C) desktop or laptop computers. D) webcams or digital cameras...
66. physical sciene
Two 2.2 kg physical science textbooks on a bookshelf are 0.15 m apart. What is the magnitude of the gravitational attraction between the books?
67. Speech
Listening to your friend sincerely as they tell you about their day ( empathic listening)? Not anderstanding because of accent ( cultural barrier)? Take notes in class and studying then so you can paraphrase the information for a test. (Academic listening) A me Janice ...
68. physical
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 68 kg. The woman pushes on the man with a force of 50 N due east. Determine the acceleration (magnitude ...
69. Physical Science
How many CH4 molecules are contained in a 50gram sample of CH4 gas?
70. physical sciences
A child throws a coin vertically downwards from a window of high building with an initial velocity of 15 m/s.Ignore the effect of air friction. Calculate vhow lonfg the coin falls
71. Physical Science Help!
Can someone please help me balance these equations? Thank you for your time!! 1. NO + O2 ¨ NO2 2. NH4Cl + Ca(OH)2 ¨ CaCl2 + NH3 + H2O
72. intro to physical science
the specific heat of granite is 0.80 KJ/kg . c. I f 1.6 MJ of heat are added to a 100-kg granite statue of James Precott Joule that is originally at 18 C, what is the finale temperature of the statue
73. intro to physical science
what is the Celsius equival of a temperature of 160 F
74. physical science
a metal power/laundry line which hang droop on a very warm day
75. physical science
the need for gaps in railway lines
76. Chem
Elements with similar properties Answer occupy the same period of the periodic table have similar electron configurations have the same number of neutrons in their nuclei exist in the same physical state (solid, liquid, or gas)
77. physical sciene
Neglecting air resistance, how fast is the object traveling when it strikes the gounnd at the end of 3.8s?
78. marketing
Develop and describe the packaging necessary for your product or service in a one- to two-page paper. Your description must include the market research done (or necessary) to arrive at the packaging. Identify the product concepts you used in determining the packaging. How does...
79. Physical Science
Predict how each of the following changes will affect the following reaction involving gaseous reactants and products: 2NO2 = N2O4 + heat a. the temperature is increased. b. the pressure is increase. c. N2O4 is removed from the equilibrium mixtur. d. NO2 is added to the ...
80. Physical Science
Predict the shift of equilibrium for each of the following conditions in the following reaction involving gaseous reactants and products: N2 + 3H2 = 2NH3 + heat A. the pressure is increased. b. the temperature is decreased.
81. Physical Science
Predict the shift of equilibrium for each of the following conditions in the following reaction involving gaseous reactants and products: N2 + 3H2 = 2NH3 + heat
82. physical
Prove that the SI unit of gravitatinal feild strength,N.kg to the power of minise 1,is equivalent tothe SI unit of acceleration due to gravity,m.s-2.
83. physical
The mass of the earth is 5,96 multipy by 10 to the power of 2) kg and that of the moon 7,35 multiply by 10 to the power of 22kg.If the distance between their centres is 3,84 multiply by 10 to the power of 8m,calculate the mass of each ball.
84. health
hat is physical stress? A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction to the heart to various triggers i think its a
85. physical
The mass of the earth is 5,96 multipy by 10 to the power of 2) kg and that of the moon 7,35 multiply by 10 to the power of 22kg.If the distance between their centres is 3,84 multiply by 10 to the power of 8m,calculate the mass of each ball.
86. physical
A mass of 1kg on the earth is attracted with a force of 9,8 N.The raduis ofthe earth is 6,38 X 10m,calculate the mass of the earth.
87. Just some LA q's, Ms.Sue please
1. When you summarize an informational article, you should (1 point) leave out minor details. use the author's words, including direct quotations. leave out important details. include as much information as possible. 2. Why might a scientist choose to categorize scientific ...
88. Physical Geography of Latin America
What has the most natural resources, including rain forests and minerals.
89. Physical Ed
11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14. Feeling negatively about...
90. Physical Science
I studied this 2 years ago in college and am no back in school. I can't remember any of this stuff and I really need to figure it out. Please Help Me!! The Latent Heat of Vaporization for water is 540. cal/g. How much heat (in calories) must be added to 10.0 g of water at ...
91. Physical science
How much energy would be needed to warm 1.5 L of water from 0 °C to 25 °C? The specific heat capacity of water is 4186 J/kg/°C.
92. physical science
How much energy would be needed to warm 1.5 L of water from 25 °C to 50 °C? The specific heat capacity of water is 4186 J/kg/°C.
93. Please help with Physical Science 2!! Confused!
Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate example, so in row #1, 175.32 grams of NaCl is how many moles of NaCl and how many molecules of NaCl does it contain?) Grams NaCl Moles NaCl # Molecules ...
94. Physical Science Please Help!
Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules. How many moles of NaCl are contained in 29.22 grams of NaCl?
95. Physical Education
What is the difference between physical and motor fitness? Thank You
96. Physical science
A sustained force of 56 moves a model airplane 16 along its runway to provide the required speed for takeoff. Find the kinetic energy at takeoff. What is the formula?
97. chemistry
can u tell me whats the most imprtant subject i need to know for molecular composition of gases ? and for physical characteristics of gases?
98. physical science
A man pulls a lawnmower with a mass of 50 kilogram accross a lawn, its pulling force is 400 newtons at angle of 50 degrees with a horizontal line.(a) resolve the force into two components , one parallel to the ground and one perpendicular to the ground .(b) explain why it is ...
99. physical sciences
how much work is required to accelerate a can with a mass of 1000kg from 20 metre per second to 30m cubed
100. Physical Science
What is the acceleration of a car that moves from rest to 15.0m/s in 10.0s ?