# 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 152
1. ## Physics

A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the

asked by Lindsay on December 3, 2007
2. ## PHY101

A body weighing 3500N is pushed up a rough inclined plane by a force of 5000N. The angle of inclination is 30deg. and the force is applied horizontally. If the coefficient of kinetic friction is 0.5, calculate the acceleration of the body.

asked by Ebieride on May 17, 2016
3. ## Physics

A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. Can someone please show me the

asked by Lindsay on December 4, 2007
4. ## Chemistry

Silicon is an element that is directly below carbon on the periodic table. Silicon can form bonds similar to carbon. Silicon-silicon single bonds require 222 kJ/mol of energy to break. Based on the statements, how much energy would it take to break a

asked by Summer on April 9, 2018
5. ## algebra

Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 *

asked by Angela on November 13, 2011
6. ## Science

What force do you need to push on a large crate to accelerate it at 1.8m/s2 across a rough floor? The crate has mass 32kg and the coefficient of kinetic friction between the crate and floor is 0.57

asked by Becky on November 20, 2014
7. ## physics

A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.50° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?

asked by francis on June 30, 2013
8. ## Physics

A child goes down a playground slide that is inclined at an angle of 24.5° below the horizontal. Find the acceleration of the child given that the coefficient of kinetic friction between the child and the slide is 0.305.

asked by Manny on October 5, 2010
9. ## Physics

A child goes down a playground slide with an acceleration of 1.24 m/s^2. Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 32.0 degrees below the horizontal.

asked by Abby on February 23, 2010
10. ## physics

a horizontal force of 95 N is applied to 60 kg crate on rough , level surface. if crate accelerates at 1.20 m/s2 , what is magnitude of the force of kinetic friction acting on the crate?

asked by jerry on February 28, 2010
11. ## Physics

A 4 kg block slides down a rough inclined plane inclined at 30° with the horizontal. Determine the coefficient of kinetic friction between the block and the surface if the block has an acceleration of 1.2 m/s2.

asked by La La on October 6, 2012
12. ## physics

A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.70° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?

asked by chidera on September 23, 2014
13. ## Physics

A 4 kg block slides down a rough inclined plane inclined at 30° with the horizontal. Determine the coefficient of kinetic friction between the block and the surface if the block has an acceleration of 1.2 m/s2.

asked by La La on September 30, 2012
14. ## phy

A child goes down a playground slide with an acceleration of 1.36 m/s^2. 1-Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 28.0 deg below the horizontal.

asked by pop on July 18, 2011
15. ## Physics help

1. The fundamental force that: (4 marks) ____ 1. causes hair to stand on end after being rubbed by a balloon a) strong nuclear ____ 2. causes protons to remain in the nucleus despite repulsive forces b) weak nuclear ____ 3. controls the planets' orbit

asked by Matt Damon on February 4, 2016
16. ## Physics

A crate is sliding down a ramp that is inclined at an angle 37.9 ° above the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.330. Find the acceleration of the moving crate.

asked by Amanda on December 19, 2012
17. ## physics

A 10 kg block slides 4.0 m down a ramp (having a coefficient of kinetic friction of 0.4 everywhere along the ramp) as shown above, then collides with a spring whose spring constant is 250 N/m. What is the maximum compression of the spring?

asked by Anonymous on November 13, 2014
18. ## physics

You pull a 18 kg sled across the floor with a strap that is at an angle of 40° above the horizontal with a force 86 N. Find the magnitude of the acceleration of the sled, given that the coefficient of kinetic friction between the sled and the floor is

asked by christina on September 22, 2012
19. ## physics

A skier slides horizontally along the snow for a distance of 20.8 m before coming to rest. The coefficient of kinetic friction between the skier and the snow is 0.0449. Initially, how fast was the skier going?

asked by n_sdn on December 7, 2013
20. ## Physics

A crate is sliding down a ramp that is inclined at an angle 26.8 ° above the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.260. Find the acceleration of the moving crate.

asked by Anonymous on March 4, 2016
21. ## Physics

A skier slides horizontally along the snow for a distance of 12.1 m before coming to rest. The coefficient of kinetic friction between the skier and the snow is 0.0343. Initially, how fast was the skier going?

asked by Ben on August 27, 2015
22. ## physics

You push a large 32 kg crate across the floor with a force F=330 N at an angle of 21 degrees below the horizontal. If the coefficient of kinetic friction between the crate and the floor is 0.45, what is the acceleration of the crate?

asked by Ka on September 21, 2010
23. ## physics

A skier slides horizontally along the snow for a distance of 22.3 m before coming to rest. The coefficient of kinetic friction between the skier and the snow is 0.0500. Initially, how fast was the skier going?

asked by Candy on February 27, 2012
24. ## Science

Example of a concept map for potential energy

asked by Michael on November 16, 2011
25. ## Biology

ATP provides cells with energy needed for?

asked by Jefery on March 22, 2010
26. ## Science

What tool is used to capture the energy in sunlight?

asked by Anonymous on March 31, 2014
27. ## chemistry

what is the energy of a photon with the frequency of 3.5 x 10 delta 24 hz?

asked by zahra on December 17, 2010
28. ## chemistry

Why does the total energy (Ke+Pe) decrease with height?

29. ## Human Biology

I have a value of energy for a meal in kJ. How do I convert this into grams please?

asked by Sarah on January 10, 2008
30. ## science

what is the flow of matter and energy is it waves

asked by mary on April 16, 2010
31. ## Earth Science

How energy flows through the Earth's system.

asked by Jacob on September 30, 2012
32. ## Science(Help NOW, Pls)

how is solar energy used in space and for what purpose?

asked by GirlSense on December 15, 2010
33. ## ap chem

how would you calculate the bond energy of 2h2o2?

asked by sara on November 15, 2007
34. ## Chemistry

what is the outer energy level for beryllium?

asked by Sandy on November 30, 2010
35. ## Chemistry

Which of the following elements has the smallest ionization energy? A. F B. Be C. B D. Mg E. C

asked by Lauren on November 19, 2007
36. ## Geography

how would you compare and contrast the various sources of energy? ..Need help with this Thanks -MC

asked by mysterychicken on October 23, 2009
37. ## chemistry

How much energy is absorbed to change 7.25 g of ice at -3 C to 25.5C?

asked by chris on January 25, 2016
38. ## Science

How is solar energy used in space? (for what purpose?)

asked by The Official Pancake Queen on December 15, 2010
39. ## science

why does electric loose energy when it is being transmitted

asked by Anonymous on February 26, 2008
40. ## Science(URGENT)

How is solar energy used in space? (for what purpose?)

asked by The Official Pancake Queen on December 15, 2010
41. ## Chemistry

What is the energy of a mole of UV photons having a wavelength of 11 nm?

asked by Kaleen on January 24, 2012
42. ## home economics

explain the term energy balance

asked by josie on January 4, 2010
43. ## Energy

Hi guys can someone help on energy like give me a few bulletpoint about it please

asked by Dhiraj Khullar on May 3, 2012

What are the 5 energy changes when a person jumps upward?

asked by Michelle on December 1, 2010
45. ## Chemistry

How much energy is released when 44.5 of water freezes?

asked by Delia on September 15, 2010
46. ## science

What 2 types of electromagnetic energy have wavelenghts of 0.76 cm?

asked by Anonymous on February 3, 2009
47. ## chemistry

if 7 moles O2 are used, houch energy is produced?

asked by bob on April 30, 2014
48. ## eath science

is moon a source of earth's energy?

asked by Jacob on September 30, 2012
49. ## Science

How much energy is given out whwn 1g of methane burns

asked by Chioma on January 19, 2018
50. ## biology

CUM ON PLEASE SOME 1 TELL ME DA BIG IDEA OF ENERGY

asked by tash on November 16, 2008
51. ## science

Earthquake energy travels through rock as?

asked by Anonymous on January 31, 2013
52. ## Science

What happens to energy and matter during a chemical reaction?

asked by Pickle on May 16, 2016
53. ## science

what is the substance that is used in all cells to release energy from

asked by tony on November 28, 2007
54. ## chemistry

How much energy is released when 48.5 g of water freezes?

asked by re on September 6, 2009
55. ## Chem 111

How many grams of N2(g) would have to react to produce 19.5 kJ of energy

asked by Rachel on February 23, 2015
56. ## chemistry

q4 What element has the greatest first ionization energy? Li Na K Rb Cs

asked by danny on April 27, 2015
57. ## Chemistry

Calculate the wavelength of a proton with energy 2.45 eV.

asked by Anon on September 15, 2013
58. ## Chemistry

Among the following, which element has the lowest ionization energy? A. Na B. Cl C. Cs D. I

asked by Jake on November 8, 2013
59. ## Science Help. Thank You! (:

What are the three of the most widely used energy sources in California?

asked by ilovelasagna on June 15, 2015
60. ## science

can any of you tell me some good information about solar energy

asked by Cierra on March 28, 2014
61. ## Biology

does energy and matter cycle through an ecosystem

asked by jake on January 21, 2010
62. ## science

where does the energy source come from, is it easy to obtain, etc?

asked by susan on November 30, 2009
63. ## science

can any of you tell me some good information about wind energy

asked by Cierra on March 28, 2014
64. ## science

can anyone give me examples of energy intercoversions please

asked by paul on December 5, 2010
65. ## SCI 275

what ultimately happens to all the absorbed solar energy?

asked by dawn on November 28, 2007
66. ## college physics

As wavelengths decreases, energy _____.

asked by Cristina on July 31, 2010
67. ## physical science

what does the law of conservation of energy state

asked by leann on May 15, 2008
68. ## Health Physics

Why is the property of energy so important in nature?

asked by Shannon on January 22, 2010
69. ## science

What is energy flow? Why is it important? (Use the cow as your example)

asked by Anonymous on November 26, 2012
70. ## biology

90% if the released energy during the Krebs Cycle comes from what

asked by Alex on April 6, 2013
71. ## Science

Which statement is true regarding nuclear energy?

asked by Marie on October 27, 2013
72. ## science

heat energy is measured in unites of

asked by diane on August 25, 2012
73. ## Science

What are 2 things that electrical energy can transform into?

asked by Saiyda on March 25, 2010
74. ## chem

what is a potential energy curve and how do you know where to label Ea, and ƒ´H??

asked by Sara on May 15, 2011
75. ## Science

What's a benefit and risk of nuclear energy?

asked by Cassidy on January 16, 2013
76. ## Science

Where, in Nevada, is wind energy produced? THANKS!

asked by Mariz on April 10, 2009
77. ## science

what is the big idea of energy transfer

asked by kiko on November 28, 2009
78. ## chemistry

How does the spin of an electron affect its energy?

asked by ana on November 28, 2009
79. ## physical science

what is the formula for gravitational potential energy?

asked by leann on May 15, 2008
80. ## Science

Could mechanical energy be when you throw something? Pleaseeee help me.

81. ## science

If water boils does it transmit energy

asked by Anonymous on April 20, 2010
82. ## sci207: dependence of man on the environment

Which statement is true regarding nuclear energy

asked by Anonymous on March 9, 2015
83. ## physics

Which part of a wave relates to its energy ?

asked by brandy on July 5, 2012
84. ## Conserving energy

What are 5 ways I can conserve energy in my community?

asked by Connexus on April 20, 2018
85. ## Physics

What are the three factors on which thermal energy depends?

asked by SMK on February 10, 2012
86. ## ap chem

how would you calculate the bond energy of 2h2o2?

asked by sara on November 15, 2007
87. ## science

why the unit of work and energy are equal?

asked by puja on July 21, 2016
88. ## bio II

The molecule that provides energy for active transport is?

asked by jake on March 5, 2008
89. ## science

what is thermal energy plz help me stuck!

asked by Alex on January 29, 2009
90. ## PHSC

Which part of a wave relates to its energy ?

asked by brandy on July 5, 2012
91. ## science

Conversion of energy from one form to another usually releases what

asked by Chris on January 25, 2017
92. ## chemistry

what is energy and use the electromagnetic spectrum to explain it.

asked by jill on October 11, 2009
93. ## science

what is energy,and use the electromagnetic spectrum to explain it.

asked by Sam on October 11, 2009
94. ## chemistry

Calculate the wavelength of a proton with energy 2.45 eV.

95. ## science

4 answers energy flow in ecosystem?

96. ## Physics (easy level)

What would a Potential energy to velocity^2 graph be?

asked by Manny on December 17, 2012
97. ## chemistry

What do the values or R, G, and B mean in terms of the energy of light.

asked by Chayanne Hyde on November 1, 2010
98. ## Science

what kind of energy is stored before the earthquake

asked by Anonymous on May 14, 2013
99. ## science

a1.5m high has a potential energy of 44.1 what is the mass

asked by gina on July 7, 2017
100. ## physics

Internal energy for real gas

asked by Anonymous on November 11, 2017