# If a bowling ball hits a wall with a force of 6 N the wall exerts what force back on the bowling ball? the choices are 0N 3N 6N 12N I think its 6N

33,166 questions, page 217
1. ## Physics

In a vacuum, two particles have charges of q1 and q2, where q1 = +3.7 µC. They are separated by a distance of 0.22 m, and particle 1 experiences an attractive force of 3.5 N. What is q2 (magnitude and sign)?

asked by Dee on January 8, 2014
2. ## physics

A 0.5 kg air-hockey puck is initially at rest. What will its kinetic energy be after a net force of 0.3 N acts on it for a distance of 0.5 m

asked by Michelle on March 10, 2012
3. ## Physics

A 1200kg car accelreates from 0mph-60mph in 8.5 seconds. Calculate the force needed to accelerate the vehicle.

asked by Alexis on January 28, 2013
4. ## physics

A 60kg boy is riding his bike to school. His acceleration is 15 m/sec^2. Determine the magnitude of the force he is exerting.

asked by Laycee on January 31, 2012

Thirty microcoulombs of NEGATIVE charge experiences an electrostatic force of 27. mN. What is the magnitude and direction of the electric field?

asked by Maranda on October 22, 2014
6. ## physics

A loaded truck can accelerate at 4.1 m/s 2 . It loses its load so that it is only 0.8 as massive. By what factor must the acceleration change for the same driving force?

asked by Anonymous on December 8, 2012
7. ## science

a body isdisplacedthrougha certaindistance X by a forceof 30n. if the work done is 100 and the displacement isi in the directionof force . What is the value of x

asked by franklin on January 21, 2019
8. ## Physics

Can someone help me with finding out the magnitude of the gravitational force a person with a mass of 67.5 kg would experience while standing on the surface of Earth? Thanx in advance.

asked by Anonymous on November 16, 2008
9. ## physics

A loaded truck can accelerate at 6.4 m/s^2. It loses its load so that it is only 0.9 as massive. By what factor must the acceleration change for the same driving force?

asked by brandon on March 2, 2011
10. ## physics

A loaded truck can accelerate at 6.4 m/s^2. It loses its load so that it is only 0.9 as massive. By what factor must the acceleration change for the same driving force?

asked by brandon on March 2, 2011
11. ## chemistry

Picking any two compounds, how do you describe which one has a higher dispersion force using the words Larger electron cloud and polarizability? Thanks:)

asked by Rebekah on March 4, 2011
12. ## physics

Three point charges are on the x axis: −2 ¦ÌC at −3 m, 8 ¦ÌC at the origin, and −10 ¦ÌC at 3 m. Find the force on the first charge. The value of the Coulomb constant is 8.98755 ¡Á 109 N ¡¤ m2/C2.

asked by Anonymous on November 20, 2011
13. ## Calculus

Find the total work done by a 15 N force in the direction of the vector [1,2,2], when it moves a particle from O[0,0,0] to P[1,-3,4] and then from P to A[7,2,5]. Distance is measured in metres.

asked by J on May 7, 2012
14. ## physics

Determine the force of interaction between 2 electric charges q1= 1x10-6 C and q2= 2x10-6 C at the distance r = 2 m. I think the formula is F=kq1*q2/r2? How do I find k?

asked by physicsclass on April 23, 2011
15. ## Physics

What is the average braking force required of a 1200kg car in order for it to come to rest from 60km/h in a distance of 25m

asked by Abdul on September 1, 2014
16. ## physics

a car that's 1000 kg is stopped and the brakes exert a force of 3000 N over a distance of 891 meter, how much work is done?

asked by Anonymous on March 12, 2014
17. ## physics

How long would it take to bring a 318 kg car moving at 11.2 m/s to a complete stop if a 602.8 N breaking force is applied?

asked by Anonymous on April 14, 2015
18. ## physics

A particle of mass 10 kg is slowly lifted up to a height of 10 metre then calculate the workdone by external and gravity force ?

asked by shubham on October 9, 2014
19. ## Calculus

Find the total work done by a 15 N force in the direction of the vector [1,2,2], when it moves a particle from O[0,0,0] to P[1,-3,4] and then from P to A[7,2,5]. Distance is measured in metres.

asked by J on May 8, 2012
20. ## Math

Find the work done by a 15 N force in the direction of the vector (1,2,2) when it moves a particle from O(0,0,0) to P(1,-3,4) and then from P to A(7,2,5) Can somebody explain to me how to do this question i don't understand it.

asked by Christian on October 16, 2010
21. ## Physics

an object is pushed horizontally by a 0.0840-kiloN force over a frictionless table. find the resulting acceleration

asked by Anonymous on November 10, 2013
22. ## Science

much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2? I need help understanding this.. I'm really bad at science...>.

asked by Chan on October 22, 2010
23. ## physics

calculate the force exerted on a rocket given that the propelling gases are expelled at a rate of 1000 kg/s with a speed of 60,000 m/s.

asked by kalli sarik on January 31, 2011
24. ## physics

A 4.3kg object moves across a floor with a velocity of + 8.2 m/s and slides to rest in 5.8 s. The net force producing this acceleration is:

asked by robbi on January 28, 2015
25. ## physics

a positive charge of 4x10^6c experiences a force of 2n acting to the right.what is the magnitude and direction of the eletric field at this point?

asked by Anonymous on May 12, 2011
26. ## Physics

A student applies an upward force of 58 N to a 5.1-kg physics textbook. Find the book’s acceleration (positive for up, negative for down).

asked by martin on February 25, 2011
27. ## Physics

A 0.5 kg air-hockey puck is initially at rest. What will its kinetic energy be after a net force of 0.8 N acts on it for a distance of 0.5 m?

asked by Tammy on November 8, 2013
28. ## physics

17. At what distance of separation, r, must two 5.87 x 10^-8 Coulomb charges be positioned in order for the repulsive force between them to be 64.9 N? You must show your work for credit

asked by lula on March 16, 2019
29. ## sarangz

a bus weighing 50 tonnes moving with a velocity of 60km/hr.Calculate the force required to stop it in 10 seconds.

asked by dev on July 10, 2016
30. ## Calculus

Three forces of 5 N, 8 N, and 10 N act from the corner of a cube along its edges. Using Cartesian vectors, find the magnitude of the resultant force.

asked by J on May 7, 2012
31. ## pysics

three identical point charges each Q coulombs are placed at the vertices of an equilatwral triangle 20cm apart.calculate the force on each charge

asked by emmanuel on March 25, 2017
32. ## Air Table

... continued If momentum was lost in a momentu, vector diagram, it would be because not enough force was applied to the pucks on the air table?

asked by Melanie on December 1, 2008
33. ## physics 101

50kg drops from a height of 2meters straight down with a force constant of 8 x 1000n/m. What maximum distance does she compress?

asked by edmund on October 10, 2012
34. ## physics

10. How much current is required to produce a force of 0.96 N on a 75 cm long wire oriented at right angles to a 0.24 T magnetic field? A. 0.050 A B. 0.17 A C. 5.3 A D. 0.19 A 5.3 A (

asked by sally on May 24, 2009
35. ## fluid power

assume that the input piston has an area of 4.25 inches squared with a force of 3150 pounds what is the pressure in the system

asked by edward on September 13, 2012
36. ## Physics

What force is required to accelerate an object of 1.484x10^0 kg over a frictionless surface at -2.3580x10^0 m/s2 expressed to three significant figures.

asked by dylan on October 22, 2010
37. ## physics

If you push a box a distance of 2,000 meters with a force of 1 newton, how many Calories have you used? 1 Calorie= 4,187 Joules

asked by BrainyBird on November 13, 2013
38. ## Calculus

Three forces of 5 N, 8 N, and 10 N act from the corner of a cube along its edges. Using Cartesian vectors, find the magnitude of the resultant force.

asked by J on May 6, 2012
39. ## physics

A car of mass 500kg and velocity=36km/h and suddenlybreak applied 150m calculate the force and work done?

asked by Amar kumar on April 1, 2017
40. ## Physics- Help

Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 75 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

asked by Mat on December 3, 2012
41. ## Physics- Help

Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 75 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

asked by Mat on December 3, 2012
42. ## physics

what force is needed to accelerate at child on a sled at 1.4 meters per second square (total mass 55 kilo gram)

asked by jessie on October 16, 2011
43. ## Calculus

Two forces, F1 and F2 act on an object and the angle between them is 60 degrees. Determine the magnitude and the direction of the resultant force FR relative to F1 if F1= 50 N and F2= 30 N.

asked by Ariza on May 4, 2010
44. ## Science

if it takes 20 newtons to accelerate an object weighing 15 kg 0.1 meters per second squared to the west what is the force of kinetic friction?

asked by Abby on November 25, 2010
45. ## Science

a body of mass 500g moving at 5m/s comes to rest after covering a distance of 5m.find the retarding force acting on it.

asked by Sanjaytharan on August 31, 2016
46. ## physics

A 78-kg parachutist, in the first few seconds of her jump, accelerates at a rate of 7.4 m/s2 [down]. Calculate the force she experiences due to air resistance.

asked by jake on July 9, 2013
47. ## Physics

Three particles have charges +20μC each.They are fixed at the corners of an equilateral triangle of side 0.5m .The force on each of particle has magnitude

asked by Pooja on April 25, 2017
48. ## Physics

two equal charges exert an elecrtric force on each other of 0.0385 when positioned 0.15 apart determine the magnitude of the charge on each point.

asked by Excelvia on November 26, 2012
49. ## physics

A 2.284 km car is moving down a road with a slope of 13% at a constant speed of 11 m/s. What is the direction and magnitude of the frictional force?

asked by Brandon on February 25, 2014
50. ## Physics

A box with a mass of 10 kg slides along a horizontal surface. A force of 50 N is needed to keep it moving. What is the coefficient of kinetic friction?

asked by ylopez on July 4, 2016
51. ## Math

Mass, m, is varies inversely as acceleration, a. The constant of variation is force,f. Write an equation to express this relationship.

asked by M on April 15, 2015
52. ## Physics

What is gravitational force of a 65kg person that is on the surface of the moon has a mass of 7.348 x 10^22kg and radius of 1731km?

asked by Tiffiany on January 18, 2011
53. ## applied mechanics

A force of 10N is needed to move a mass of 2kg resting on a table. Find the coefficient of friction. ( take g=9.8m/s)

asked by david agom on December 3, 2015
54. ## Physics-10

A karate chop delivers a blow of 300N to a board that breaks. The force that acts on the hand during this event is?

asked by Stanley on March 4, 2011
55. ## Physics

A 60 kg skier is coming down a hill that has an incline of 35°. If the force of friction between the ski and the snow is 6 N, how fast does the velocity change per second?

asked by SA on February 20, 2019
56. ## Kennard Dale

Estimate what the value of G would need to be if you could actually "feel" yourself gravitationally attracted to someone near you. Assume that each person has a mass of 72 kg, the force of attraction is F = 4 N, and the distance of separation is 0.5 m.

asked by Jake on October 28, 2010
57. ## physics

Thirty microcoulombs of NEGATIVE charge experiences an electrostatic force of 27. mN. What is the magnitude and direction of the electric field?

asked by Maranda on October 21, 2014
58. ## physical

the ability to exert muscle force quickly is known as 1) agility 2) power 3) recation time 4) speed I need help! Plz anyone!

asked by someone on December 18, 2013
59. ## Chemistry

Which property of gases best explains the ability of air bags to cushion the force of impact during a car accident?K

asked by Kiley on October 14, 2012
60. ## physics

what change in velocity would be produced on a body of mass 4kg, if a contact force of 16N act on it for 2sec.

asked by sanusi on August 27, 2016
61. ## physics

calculate the horizontal force that must be applied to produce an acceleration of 72 m/s^2 for a 0.034 kg punk on a friction less air table

asked by danny on December 1, 2017
62. ## physics

what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.

asked by zianna on August 2, 2012
63. ## physics

what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.

asked by zianna on August 2, 2012
64. ## Physics

Why can you exert a greater force on the pedals of a bike if you pull up on the handlebars? Does it have anything to do with one of Newton's 3 laws? I'm not sure how to approach this question.

asked by Anonymous on August 4, 2014
65. ## physics

What force should the woman in Figure 9.45 exert on the floor with each hand to do a push-up? Assume that she moves up at a constant speed.

66. ## physics

why is it that drivers place cement blocks and other heavy items in the trucks of their vehicles? (think of friction and normal force)

asked by William on October 24, 2014
67. ## Physics

Given the masses of the sun and earth are 1.99x10^30 kg and 5.98x10^24 kg respectively. Calculate the gravitational force between them when their centers are 1.50x10^11m apart

asked by Yasmin on September 23, 2016
68. ## Physics

If a car is travelling with a constant speed of 5.53 m/s in the Westward direction, what is the resultant force acting on it? Ignore friction

asked by Logan on September 1, 2011
69. ## Physics

Force acting on conductor when placed in magnetic field from east to west horizontal component is 3.0 and current is 10A

asked by Anonymous on September 16, 2014
70. ## Physics

A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?

asked by Maria on October 1, 2012
71. ## Dynamics

A particle is attached to point O from A by the force F=-k/x3. If x=x0 and v=0 when t=0, determine velocity and acceleration as a function of x, and the time it takes to travel from A to O.

asked by Dynamics Problems on July 19, 2014
72. ## phys101

if the stress strai graph is a straight line,how much does the bar srtetch when applied force is increased by 50000N?

asked by kabelo on April 9, 2010
73. ## PHYSICS(HELP)

Eight charges (50μC each) are arranged on the corners of a cube side length 1 cm. What is the magnitude of the force on each charge in Newtons?

asked by Anonymous on January 20, 2014
74. ## physics

a box of treasure with a mass of 92 kg and volume of 0.031metrecubic lies at the bottom of the ocean.how much force is needed to lift it?

asked by joelinho on June 15, 2014
75. ## Physics

Two objects attract each other gravitionally with a force of 2.5 *10^-10 N when they are .25m apart. Their total mass is 4.0kg. Find their individual masses.

asked by Emily Grossman on February 22, 2011
76. ## physics

A student applies an upward force of 49 N to a 5.4-kg physics textbook. Find the book’s acceleration (positive for up, negative for down).

asked by Fred on February 8, 2011

The "Baby Boomers" are nearing retirement age. What affect might this have on the productive capacity of a country's labour force?

asked by CrissyXD on February 9, 2012
78. ## Physics

What is the magnitude of buoyant force acting on a 720 cm^3 toy submarine floating in fresh water? (D_water =1 g/cm^3)

asked by Tracy on March 3, 2012
79. ## Physics

A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?

asked by Maria on October 1, 2012
80. ## Physics

A 20,000 kg vehicle is running at 80km/hr in a rotonda with a radius of curvature 25m compute for the centripetal force

asked by Dulce on September 29, 2014
81. ## physics

Five forces act on an object: (1) 60.0 N at 90°, (2) 40 N at 0°, (3) 80 N at 270°, (4) 40 N at 180°, (5) 50 N at 60°. What are the magnitude and direction of a sixth force that would produce equilibrium

asked by jon on March 14, 2011
82. ## Physics

Three point charges are on the x axis: −6 µC at −3 m, 7 µC at the origin, and −5 µC at 3 m. Find the force on the ﬁrst charge. The value of the Coulomb constant is 8.98755 × 10^9 N · m^2/C^2.

asked by Alyssa on January 15, 2013
83. ## physics

As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 its mass is 0.145. A) What is the baseballs acceleration in m/s^2 and in g's? B) What is the size of force acting on it?

asked by Ralph on June 21, 2011
84. ## Physics

How much time is needed to completely stop a 1600 kg car moving at 35 m/s if an average force of 4200 n is applied?

asked by Maya on January 6, 2011
85. ## Physics

Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 83 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

asked by Lexie on December 15, 2012
86. ## physics

A loaded truck can accelerate at 4.8 m/s2. It loses its load so that it is only 0.4 as massive. By what factor must the acceleration change for the same driving force?

asked by Anonymous on October 18, 2012
87. ## Physics

What gravitational force do yhe two protons in the helium nucleus exert on each other? There separation is approximately 1.0 fm. I know that 1 fm is 10^-15 m i didn't know if that was how you figured it out to get it to N?

asked by Sarah on June 15, 2009
88. ## PHYSICS

a swimmer develops an average of 200 watts in a distance of 100m in 80 seconds. what is the force resistance in the water?

asked by Nolan on July 12, 2014
89. ## Physics

Calculate the resultant force acting on body of mass 10kg moving with uniform velocity of 2 meter per second

asked by Aashiq on June 12, 2018
90. ## Science

Archimedes' principle states that the buoyant force on an object is equal to the density of the fluid it displaces. true?

asked by :) on February 5, 2014
91. ## Physics

Why would normal force be set to zero to calculate the minimum possible speed a rider can have at the top of a loop. Please i need help, this is due in few hours

asked by Ted on April 18, 2013
92. ## Physics

A wagon was used to move a 90 lb rock 120 yds. It took 40 sec and 70 lbs of force. Can someone help me solve for efficiency and horsepower????? PLEASE :)

asked by Heather on December 11, 2007
93. ## 7th science

Does a force act on a if moves at a constant speed while turning? Is the answer kinetic. if so please explain how it relates to Newton,s

asked by renesmae on January 21, 2012
94. ## Physics

A 0.5kg puck traveling in a horizontal circle of radius 3.2m has a frequency of 0.5Hz. what is the centripetal force on the cord?

asked by Nathan on April 2, 2012
95. ## Physics, Class XI

If a force of 15 kg. weight acts on a mass of 14 kg, what will be its velocity after 8 seconds? What is the process to apply the formulas in this question? Please help me fast!

asked by Ritu on November 25, 2016
96. ## physics

what is the force required to start moving a 25kg box across a concrete floor with a coefficient of static friction of .65?

asked by april on November 29, 2009
97. ## Physics

A 26-lb. force vector that makes an angle of 101° counterclockwise from the -y direction. Determine the x and y components of the following three vectors in the xy plane.

asked by Cristiano on January 17, 2016
98. ## physics

Eight charges (50μC each) are arranged on the corners of a cube side length 1 cm. What is the magnitude of the force on each charge in Newtons?

asked by Anonymous on January 20, 2014
99. ## phys101

if the stress strai graph is a straight line,how much does the bar srtetch when applied force is increased by 50000N?

asked by kabelo on April 9, 2010
100. ## physics

what is the coefficient of kinetic friction between a 2kg brick and concrete if it takes 9.0N of force to move it at a constant rate?

asked by april on November 29, 2009