# What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?

45,322 questions, page 193
1. ## algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle

asked by kathy on February 13, 2011
2. ## algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle

asked by kathy on February 14, 2011
3. ## algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle

asked by kathy on February 14, 2011
4. ## algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle

asked by hannah on October 5, 2011
5. ## Physics

A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 50 m downstream from the point directly across the river, which is 79 m wide. (a) What is the speed of the river current? m/s (b) What is the

asked by Jacob on August 1, 2013
6. ## physics

An airplane maintains a speed of 597 km/h relative to the air it is flying through as it makes a trip to a city 759 km away to the north. (a) What time interval is required for the trip if the plane flies through a headwind blowing at 36.0 km/h toward the

asked by jon on October 5, 2011
7. ## math

Micah walks on a treadmill at 4 miles per hour. He has walked 2 miles when Luke starts running at 6 miles per hour on the treadmill next to him. If their rates continue, will Luke's distance ever equal Micah's distance? Explain. *At 5 hours Luke will run

asked by :) on February 3, 2017
8. ## Physics

The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. (a) Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed of a person situated at

asked by Ryan on September 30, 2016
9. ## Physics

Q.1 A ball is thrown 233 m upward and then falls back to earth. Neglecting air resistance, how long will it be in the air? The acceleration of gravity is 9.8 m/s2 . Answer in units of s. Q.II An object is thrown downward with an initial speed of 17 m/s

asked by Lucas G on September 6, 2018
10. ## Algebra

I'm having a little trouble with this problem... Please try and walk me through the problem, too: #1. A motorboat leaves a dock and travels at an average speed of 15 mi/h toward an island. The average speed on the return trip is 10 mi/h. How far is the

asked by Celina on November 20, 2008

The top of the pool table is 2.80 ft from the floor. The placement of the tape is such that 0 feet aligns to the edge of the table (as shown). The winner of the competition wants to know if he has broken the world record for the break shot of 32 mph. His

asked by Leah on November 8, 2017
12. ## Physics

A 100-kg object rests on a level surface with a coefficient of friction (both kinetic and static) of 0.40. If the initial velocity is 15m/s and the object comes to rest, (a) how much friction is acting on the object? (b) What is the objects 's acceleration

asked by Pepe on August 5, 2017
13. ## risk management

You are the risk manager of an energy producing company. Your firm explores for and extracts crude oil. Your firm regularly produces approximately 50,000 barrels of oil monthly. You watch the energy markets closely and determine in early May 2011 that the

asked by kamran on May 25, 2011
14. ## Statistics

A disk drive manufacturer has determined that his product has a “mean time to failure” of 10,000 hours, with a standard deviation of 500 hours. Due to the many factors involved, it is assumed that the time to failure is normally distributed. A network

asked by Fran on March 4, 2010
15. ## biology

1. Suppose you plant a seed and observe that a tree of large mass grows from it. The tree achieves a final mass that changes very little for years afterward. Which of the following is true about the tree? (1 point) Both anabolic and catabolic reactions

16. ## AP Physics 1

1. A delivery truck travels 21 blocks north, 16 blocks east, and 26 blocks south. What is its final displacement from the origin? Assume the blocks are equal length. 2. Vector V1 is 6.6 units long and points along the negative x axis. Vector V2 is 8.5

asked by Vikram on January 15, 2016
17. ## general physics

A string going over a massless frictionless pulley connects two blocks of masses 5.9 kg and 9.5 kg. the 5.9 kg block lies on a 31 ◦ incline; the coefficient of kinetic friction between the block and the incline is µ = 0.22. The 9.5 kg block is hanging

asked by David on February 20, 2016
18. ## physics

A stone is tied to a string (length = 1.05 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case the

asked by nelson on November 12, 2011
19. ## physics

A 69.0 kg person throws a 0.0410 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 60.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.00 m/s, and the

asked by sam on June 2, 2011
20. ## physics

A 66.0-kg person throws a 0.0450-kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 57.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.40 m/s, and the

asked by Anonymous on October 16, 2011
21. ## Physics

A smooth inclined plane is 6.00m long. The top end of the plane is 1.50m above the bottom end of the plane. A box which has a mass of 35.7kg is pulled up the plane by a rope which is parallel to the plane. The force in the rope is 99.6N. The initial speed

asked by Anonymous on October 30, 2018
22. ## college math

two cars are approaching an intersection one is 3 miles south of the intersection and is moving at a constant speed of 20 miles per hour. at the same time the other car is 4 miles east of the intersection and is moving at the constant speed of 30 miles per

asked by Jennifer on February 12, 2017
23. ## physics

A stone is tied to a string (length = 1.25 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case the

asked by Anonymous on March 4, 2014
24. ## physics

A 68.0 kg person throws a 0.0450 kg snowball forward with a ground speed of 27.0 m/s. A second person, with a mass of 58.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.50 m/s, and the

asked by Alexandria on March 28, 2011
25. ## physics

A 69.0 kg person throws a 0.0410 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 60.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.00 m/s, and the

asked by sam on June 2, 2011
26. ## Hyperbole

Read the oral notes carefully. Then, decide whether each of the following statements contain a hyperbole! Q1. "If I’ve told you this story once, I’ve told it a million times!" a. Hyperbole b. No Hyperbole Ans: a. Hyperbole Q2. "I feel so hungry today.

asked by deyond ng on February 27, 2017
27. ## English

Pronoun agreement: How do you know when to use who or whom? Who is a subject of a verb. Examples: Who let the dog out? Pat is the person who is always late. Whom is used as the object of a verb or a preposition. Examples: He asked, "For whom does the bell

asked by Lesley on October 21, 2006
28. ## chemistry

calculate the minimum number of grams of propane, C3H8(g), that must be combusted to provide the energy necessary to convert 6.05 kg of ice at -24.0 ∘C to liquid water at 71.5 ∘C.

asked by Alex on April 29, 2018
29. ## Physics

Find the energy necessary to put 5kg , initially at rest on Earth's surface, into geosynchronous orbit. do i use the formula U=-GMm/r I get 290 MJ?

asked by James on March 20, 2009
30. ## physic

microwave antennna with a mass of 96kg sits a top a tower that is 40 m tall. what is the antenna potential energy.how do not know how to answer the problem.

asked by fran on June 9, 2013
31. ## physics

In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.052910−9m when it is in the n=1 state. What is its electric potential energy?

asked by Maree on November 5, 2010
32. ## chem

Indicate which is lower in energy in a many-electron atom: 3d or 4s Would it be 4s [because it fills before 3d]? That is correct is almost all cases. There is an exception for Cr and Cu; however, I think the intent of the problem clearly means the 4s (and

asked by Alyssa on November 7, 2006
33. ## Physics

A high efficiency natural gas furnace is 92% efficient. How many joules of output energy will 750kJ of input fuel provide? Please help! Thank you.

asked by Cherie on March 17, 2014
34. ## astronomy

What is the wavelength of an X-ray photon with energy 9.0 keV (9000 eV)? (1 eV = 1.60 × 10−19 joule.) Express your answer to two significant figures and include the appropriate units.

asked by robotboy on February 18, 2019
35. ## chemistry

Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol. Express your answer in J/cm2.

asked by Anonymous on May 31, 2013
36. ## Physical Science

Explain the energy conversions that occur as a basketball falls, hits the ground, and bounces back up. Ignore frictional forces.

asked by Alex on February 2, 2014
37. ## Physics

Use the work-energy theorem to solve each of these problems. You can use Newton's laws to check your answers. Neglect air resistance in all cases.

asked by Bout on April 19, 2016
38. ## Physics

What happens to the internal energy of an ideal gas when it is heated from 0C to 4C? a. increases b. decreases c. change in number of atoms d. increase in volume of substance

asked by Lala on January 17, 2012
39. ## Science

Eighty calories must be added to one gram of I've at zero degrees Celsius to melt it. Whst is the approximate mechanical equivalent of this amount of energy?

asked by Bella on March 10, 2013
40. ## Biology!

1. Urea is made where? Is it in the kidneys or the liver? 2. Which trophic level gets the least amount of energy? a) producers b) herbivores c) carnivores d) decomposers I think the answer is c, but i'm not sure if it's right.

asked by Marrion on October 19, 2009
41. ## Physics

A monoatomic gas expands isobarically.What will be the percentage of heat supplied that increases the thermal energy and that involved in doing work for expansion?

asked by Tulika on April 9, 2012
42. ## science

How does the location of each animal's position in relation to the producers contribute to their size? Be sure to look at the food chain and the amount of energy that is being transferred between the levels.

asked by maria gimenez on September 13, 2012
43. ## Physics

Determine the energy neded to put 5kg, initially at rest on Earth's surface, into geosynchronous orbit. I get 2.9*10^8 where did I gow wrong?

asked by Malcom on April 1, 2009
44. ## Physics

Find The Potential Energy Of A Boy Mass 10kg Standing On A Building Floor Of 10 Metres Above Ground Level. 10*10*10 =1000

asked by Davido on March 25, 2016
45. ## Chemistry

How much energy (in kilojoules) is required to convert 130mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?

asked by Annale on November 2, 2014
46. ## physics

what is curie temperature?what is a fermi energy level?what is its position in case of an intrinsic semi conductor?what is a thermal neutron?what is its importance?

asked by aalya on March 15, 2012
47. ## science

which of the following substances are poor conductors of thermal energy ( more than one answer) wood, glass, copper, plasttic, iron, fiberglass, or air

asked by Taylor on December 17, 2012
48. ## ap chemisrty

When heated, cyclopropane is converted to propene. Rate constants for this reaction at 470°C and 510°C are k = 1.10 10-4 s-1 and k = 1.02 10-3 s-1, respectively. Determine the activation energy, Ea, from these data.

asked by sandra on January 27, 2011
49. ## physics

Qualitatively explain how you would expect the potential energy to change as a glider slides down an inclined air track, where friction is negligible.

asked by Kristina on April 5, 2012

The energy that directs behavior into productive areas originates in: a. instinct. b. emotion. c. drive reduction. d. leptin. From reading the text I know it is either a or c and not b or d. I think it is c but I am not too sure.

asked by Anonymous on November 23, 2011
51. ## Chemistry!!

Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following when n=4 =__________nm

asked by Giznelbell on October 21, 2008
52. ## Chemistry

What is the energy in Joules of a photon of light having a frequency of 1.000 1018 typical of the gamma ray region of the electromagnetic spectrum?

asked by Austin on February 8, 2018
53. ## chemistry

Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol. Express your answer in J/cm2

asked by anny on June 3, 2013
54. ## physics

Estimate the surface energy of (110) face of Au crystals given just the information in the periodic table. Express your answer in the unit of J/cm2.

asked by kanthimathi on December 14, 2018
55. ## chemistry-chemical kinetics

by what factor is the rate of detoxification changed if a liver enzyme lowers the activation energy of the reaction by 5 kJ/mol at 37 degree celsius?

asked by eiry on December 15, 2012
56. ## environmental science

Sorry I forgot to add the rest of my question to my post I wanted to know what is a good way to teach myself mitigation strategies and solutions about energy conservation?

asked by famil on October 22, 2009
57. ## physic

what is the internal energy chane of 500g of molten lead as it solidifies at its melting temperature? Neglect its small volume change.

asked by wesailat mohammed on October 21, 2014
58. ## gcse geography

suggest ways modern civilizations depend upon energy resources. fuel for cars , electricity for the house and for buildings. do you think these are right? can`t think of anything else. thankyou :-)

asked by deena on September 10, 2011
59. ## physics

electricity is measured in kilowatts-hours, kW*h. this quantity can be converted to which other unit that measures energy? a.Pascals b.Joules c.Newtons d. Watts

asked by jason on April 12, 2011
60. ## physics

A typical jogger burns up food energy at the rate of about 43 kJ per minute. How long would it take to run off a piece of cake if it contains 435 Calories?

asked by Michelle on March 21, 2012
61. ## Chemitry

If he activation energy of a reaction is 4.86Kj, then waht is the percent increase in the rate constant of a raction when the temperature is increased from 45 to 75C

asked by Kim on December 25, 2010
62. ## physics

Two railroad cars, each of mass 1800 kg and traveling 70.0 km/hr, collide head-on and come to rest. How much thermal energy in joules is produced in this collision?

asked by kassy on October 18, 2016
63. ## Science

which of the following substances are poor conductors of thermal energy ( more than one answer) a: wood b: glass c: copper d: plastic e: iron f: fiberglass g: air

asked by Taylor on December 17, 2012
64. ## Science

On the movie, Bill Nye the Science Guy, what was the seventh energy after thermal, elctrical, nuclear, sound, solar, and chemical?

asked by Tia on January 30, 2012
65. ## chemistry

Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol. Express your answer in J/cm2.

asked by Anonymous on June 2, 2013
66. ## Physics

An oscillator with a mass of 520 g and a period of1.2 s has an amplitude that decreases by 2.20% during each complete oscillation. At what time will the energy be reduced to 15.0% of its initial value?

asked by abby on April 16, 2010
67. ## General Chemistry 103

What is the maximum number of Cs+ ions that can be produced per joule of energy absorbed by a sample of gaseous Cs atoms? Please show me how to do this so i can do it for further questions similar to this

asked by Safat on May 2, 2013
68. ## Precalcus

Suppose that 10 grams of carbon ( 14C )is released in a nuclear energy plant accident. How long will it take for the 10 gramto decay to 1 gram?

asked by Keem Graham on April 25, 2015
69. ## Physics

If a 20 kg object fell to the surgace of the Earth from a height of 30m, what would its final velocity be? (work from the energy standpoint) I know that you said it is F * X and I'm just confused. Can you help me walk through this?

asked by Kayla on October 7, 2009
70. ## chemistry

How many Calories (that is, kilocalories) are in a 37.8g serving of potato chips if we assume that they are essentially 50% carbohydrate, and 50% fats? [Energy from Food, p. 189 in the textbook]

asked by dakota on March 9, 2015
71. ## Science (Atmosphere)

What happens to the energy absorbed by Earth's surface and atmosphere? They get radiated back into space as longer wave radiation. Is there anything else I should add to this answer? Thanks.

asked by John on April 6, 2010
72. ## chemistry

The standard enthalpy of formation for sulfur dioxide gas is -296.8 J. Calculate the amount of energy given off in kJ when 30.0 g of SO2 is fromed from its elements

73. ## Physics

Two concentric conducing spheres of radii 4 cm and 12 cm are given equal but opposite charges of 6 x 10^-8C. How much energy is stored in the system? How would I go about in beginning to solve this problem?

asked by Jessica on March 5, 2008
74. ## chemistry

Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol. Express your answer in J/cm2.

asked by nonu on June 1, 2013
75. ## chemistry

Estimate the surface energy of (110) face of K crystals given just the information in the periodic table. Express your answer in the unit of J/cm2.

asked by Dick on December 21, 2013
76. ## Physical Chemistry

Calculate the standard reaction Gibbs energy of the oxidation of ammonia to nitric oxide according to the equation 4 NH3g) + 5O2(g) → 4 No(g) + 6 H2O(g).

asked by KC on November 10, 2010
77. ## Physics

A ball having a weight of 1.5 N is dropped from a height of 4 meters. (Neglect air friction.) How much mechanical energy is "lost" just before it hits the ground?

78. ## chemistry

Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol. Express your answer in J/cm2

asked by kl on June 3, 2013
79. ## political science

I have no clue on this one!!!! Bill Clinton's focus on domestic issues, what was NOT part of his "E2M2" campaign? A.Medicare B.Economy C.Education D.Energy

asked by ryan on March 11, 2016
80. ## physics

Two railroad cars, each of mass 6500kg and traveling 95km/h, collide head-on and come to rest. How much thermal energy is produced in this collision?

asked by eddie on October 15, 2007
81. ## Physics

Four masses m1 = 1kg, m2 = 2kg, m3 = 3kg and m4 = 4kg are at the corners of a square of sides 4cm. What is the gravitational potential energy of the system?

asked by Hla Min Naing on July 1, 2018
82. ## physics

An 8 hour exposure to a sound level of 95.0 dB may cause hearing damage. What energy in joules falls on a 0.850 cm diameter eardrum so exposed?

asked by Justin on August 1, 2013
83. ## Science

Rocks exposed as glaciers melt absorbs more energy than it reflects TRUE or FALSE Please help me. This question is gonna be in my test tomorrow

asked by Miley on February 9, 2011
84. ## Physics

A 0.250-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 4.35 kJ of energy. Calculate its specific heat and identify the substance of which it is most likely composed.

asked by Anonymous on August 30, 2014
85. ## Physics HELP!!!

In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.0529·10−9m when it is in the n=1 state. What is its electric potential energy?

asked by Ryan on November 1, 2010
86. ## science

According to the big bang theory, by which force did the universe form ? a) gravity b) energy from a solar flare c) inertia d) nuclear fusion

asked by victoria on December 1, 2013
87. ## Physics-potential energy

In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.0529·10−9m when it is in the n=1 state. What is its electric potential energy?

asked by Kristy on November 3, 2010
88. ## Chemistry

I dont understand this. please explain the relationship between wavelength, frequency and energy of light waves and the difference between the types of electromagnetic radiation.

asked by joe on November 3, 2017
89. ## College Physics

A 3.00-cm-diameter parallel-plate capacitor with a spacing of 0.800mm is charged to 300V . What is the total energy stored in the electric field?

asked by Sven on May 9, 2014
90. ## Chemistry

Use bond energy values to estimate delta H fro the following reaction in the gas phase: C2H4 + Br2 -> CH2BrCH2Br I am in dire need of help! Thank you

asked by Anna on November 20, 2014
91. ## chemistry

20.0 g of CH3OH is frozen solid at -98.0 degrees C. What is the total energy required to melt it, warm the liquid to its boiling point, and then just vaporize it?

asked by Bri on October 6, 2011
92. ## physics

An 8 hour exposure to a sound level of 95.0 dB may cause hearing damage. What energy in joules falls on a 0.850 cm diameter eardrum so exposed?

asked by Justin on July 31, 2013
93. ## Chemistry

what mass of hydrogen must be reachted with excess nitrogen to produce 5000. J of energy based on the reaction: 3H2+N2--> 2NH4+2709J

asked by Susan on May 20, 2014
94. ## physics

calculate the energy stored in a stretched spring constant 10000Nm-1(newton per metre)when a force of 200N is applied to it's end?

asked by POPPY on April 5, 2019
95. ## science

Write a 350- to 700-word paper in APA format that includes all elements of the Energy Resource Plan outline.

asked by riley on July 12, 2009
96. ## Biology

How much ATP energy would you get from a tripeptide that, upon hydrolysis and deamination, makes two acetyl CoA and one pyruvate molecule and undergo aerobic respiration?

asked by Anonymous on March 14, 2016
97. ## physics

An 8 hour exposure to a sound level of 95.0 dB may cause hearing damage. What energy in joules falls on a 0.850 cm diameter eardrum so exposed?

asked by Justin on July 31, 2013
98. ## Chemistry

what is the specific heat of an unknown substance of 2000 j of energy required to raise the temperature of 4 grams of substances 5 degrees celsius

asked by Tyran Wilson on April 30, 2014
99. ## physics

How much would it cost to watch a football game on the television with a power rating of 300 W for 3.0 h if electrical energy costs \$0.10/kW·h? 0.108 wasent right

asked by Brianna on May 16, 2012
100. ## chemistry

At temperatures above 0°C, what is the sign of the change in free energy for the conversion of liquid water to ice? A. Positive B. Zero C. Negative D. Not known I don't this it is A. I thought it might be c.

asked by Morgan on December 4, 2014