1. physics

    A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 30° above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box? Square root of three meters per second

    asked by ashley on February 5, 2014
  2. physics

    A resultant force of 20 N gives a body of mass m an acceleration of 8 m/s^2 and a body of mass m' acceleration of 24 m/s^2. What acceleration will this force cause the two masses to acquire if fastened together.

    asked by paresh on September 3, 2015
  3. engineering science n3

    A train with a mass of 120Mg accelerates uniformly on a horizontal track.the resistance to movement is 5N per KN of the mass of the train. The force in the draw-bar of the locomotive is 80KN.calculate: 1.the force required for the constant speed. 2.the

    asked by tuis on April 7, 2015
  4. Physics

    Three dynamics carts have force sensors placed on top of them.(cart 1, with mass of 2.2 kg, has one sensor --> cart 2, with mass of 2.5 kg, has sensors two and then three --> cart 3, with mass of 1.8 kg, has sensors four then five). Each force sensor is

    asked by anon on May 7, 2016
  5. Physics (Mathmate)

    When a force is applied to an object with mass equal to the standard kilogram, the acceleration of the mass is 3.25 m/s2. When the same magnitude force is applied to another object, the acceleration is 2.75 m/s2. What is the mass of the object? What would

    asked by Sarah on June 15, 2010
  6. Science

    A net force of 200n gives a body of mass m1 an acceleration of 80m/s2 and a body of mass m2, an acceleration of 240m/s2. The acceleration that this force causes when the masses combine together is -

    asked by SANJU on August 4, 2018
  7. physics

    A force acts on a 2kg mass and gives it an acceleration of 3 m/s^2. what acceleration is produced by the same force when acting on a mass of (1) 1kg? (2) 4kg? (3) how large is the force?

    asked by bob on October 25, 2018
  8. physics

    A train with a mass of 120Mg accelerates uniformly on a horizontal track.The resistance to movement is 5N per KN of the mass of the train.the force in the draw bar of locomotive is 80KN..calculate:1force reqqured for constant speed. 2.the force that causes

    asked by mashao on April 7, 2015
  9. Physics

    1. Which is NOT true about the variables in the relationship F = ma? Acceleration is directly proportional to mass. Force is directly proportional to mass. Force is directly proportional to acceleration. Acceleration will double if force is doubled. An

    asked by Babygirl on September 24, 2018
  10. PHYSICS

    a 72N force accelerates mass m, by 5.0 m/s^2 the same force acts on another mass m2 and imparts to it an acceleration of 20.0 m/s^2. what acceleration will the same force impart to the two masses when they are joined?

    asked by Camz on November 25, 2015
  11. Neutons Thrid law

    3. A force of 36 N gives a mass m1 an acceleration of 4.0 m/s2. The same force gives a mass m2 an acceleration of 12 m/s2. What acceleration will this force give to m1 and m2 if the two masses are fastened together? {3.0 m/s2}

    asked by Jen on April 8, 2016
  12. Physics

    Sorry for posting so many, but I just need to make sure I'm on the right track. Just need someone to check my working and answers. A rocket has a mass 3000kg. The fuel used in the rocket has an additonal mass of 500kg. At the launch, the rocket accelerates

    asked by JC on November 6, 2008
  13. Science

    I don't understand Newton's second law: Net Force = Mass x Acceleration I don't understand what this says. Does it mean that the higher the mass, the more force it takes to move it the same distance as a lighter mass or something? HEEELP! The equation,

    asked by charlottethetragedy (: on April 2, 2007
  14. physics

    Calculate the acceleration due to gravity on the moon. The moon\'s radius is about 1.74 E 6 m and its mass is 7.35 E 22 kg ok aparently there\'s an easier way to do this I applied Newtons second law in the radial direction net force radial = m (radial

    asked by physics on September 12, 2009
  15. physics

    find the magnitude and direction needed to accelerate a 100-g mass with an acceleration = -.255 m/s squared+.650 m/s squared

    asked by Trini on October 9, 2013
  16. BOBPURSLEY or anyone

    h t t p : / / w w w . j i s k h a .c o m / d i s p l a y . c g i ? i d = 1 25 2 8 8 8 9 2 9 ok hmmm m2 g = m1 (acceleration radial) so then if this is the correct equation my question... is how do you know when to consider the masses as a system and when

    asked by AP Physics B on September 13, 2009
  17. Physics

    (1)A battery drives 60c of charge in a circuit for 20s. Thecurrent in the circuit is?(2)What is the volume of a block of expanded polystyrene of 400g and density 16kg/m3?(3)The velocity of a toy car of mass 2kg increased from 5m/s to 10m/s in 2seconds.What

    asked by kingstone on March 19, 2013
  18. physics

    we can say that the force of gravity is equal to mass times acceleration were the acceleration is equal to gravity sense gravity is an acceleration because of newtons second law force = mass times acceleration hence Fg = mass times acceleration Fg = mass

    asked by physics on September 12, 2009
  19. SCIENCE

    1. How does mass and acceleration affect force? (What happens to force if mass increases? What happens to force if acceleration increases? ) 2. What is the equation for Newton’s 2nd Law of motion? 3. How do you calculate mass using Newton’s 2nd Law?

    asked by Khaliyl on February 3, 2019
  20. physics

    the coefficient of starting friction for wood on wood is 0.55. What is the force of friction of a wood block of mass 3.5 kg being pulled on a wood floor? i think i use the formula F=mMA where F is the force needed to move a solid from rest, m=coefficient

    asked by courtney on October 17, 2010
  21. physics

    A firefighter of mass 120 kg slides down a vertical pole with an acceleration of 4 m/s per second. What is the friction force that acts on the firefighters? In this case, the friction force is the force that is acting against gravity. Use F=M*a If

    asked by kelly on September 20, 2006
  22. Algebra

    2. The following formula relates three quantities: Force (F), mass (m), and acceleration (a). F = ma a. Solve this equation for a. b. If the force is F = –25 units and the mass is m = 10 units, find the acceleration, a. c. If the force is F = 25 units

    asked by Anonymous on November 12, 2013
  23. Science

    At the distance of the earth from the sun the pressure exerted by sunlight is avout 10^-5 Pa How much force does this pressure exerted on 10m^2 array of solar cells on a satellite when the array is perpendicular to the direction of the sunlight? If the

    asked by Angel on January 2, 2010
  24. Physics

    At the distance of the earth from the sun the pressure exerted by sunlight is avout 10^-5 Pa How much force does this pressure exerted on 10m^2 array of solar cells on a satellite when the array is perpendicular to the direction of the sunlight? If the

    asked by Angel on January 2, 2010
  25. Pre-Calc

    A force, F, on a body of mass m causes the body to accelerate. Denote the acceleration of the body by a. The relationship between force, mass, and acceleration is F = ma. If we take the unit of mass to be a kilogram, the unit of distance to be a meter, and

    asked by Math on September 30, 2016
  26. plz help me

    1)When a 10-kg crate is pushed across a frictionless horizontal floor with a force of 14 N, directed 25° below the horizontal, the magnitude of the normal force of the floor on the crate is (g = 10 m/s2): 2)A constant force of 2.8 N is exerted for 9.0 s

    asked by Reem on April 8, 2015
  27. math

    if the force acting on an object stays the same, then the acceleration of the object is inversely proportional to its mass.If an object with an mass of 64 kilograms accelerates at a rate of 3 meters per second by a force, find the rate of acceleration of

    asked by adam on March 3, 2009
  28. Science

    1)Newton's laws of motion are concerned with relationships among a) force, mass and motion b) Displacement, mass and acceleration c) Velocity, fore and acceleration d) mass, acceleration and velocity I feel that thay deal with force, mass and motion which

    asked by hello on January 27, 2010
  29. Physics, 4 short questions

    VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a

    asked by Nicola on December 13, 2006
  30. physics- drbob can u plz help me???

    VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a

    asked by Nicola on December 13, 2006
  31. Science

    What is the force of 10m/s squared acceleration and 5 kg mass?

    asked by Brandon on August 30, 2012
  32. science question..please answer quick!

    If a bicycle rider and her bicycle have a mass of 50kg, how much force is needed to provide an accerlation of 0.7m/s (squared) Force on the tire /pavement: F= m*a I don't understand.. ;( Multiply mass times acceleration to get the force.

    asked by brandi on December 19, 2006
  33. physics

    A body of mass 5kg is to be given an acceleration of 20m/s2.calculate the force required when acceleration is vertically upwards (g=10m/s2)

    asked by Abdullahi on January 20, 2016
  34. physic's problem

    GPE = MASS X GRAVITY X HEIGHT GRAVITY IS ALWAYS 10 M/S 2 (SQUARED) KE = 1/2 X MASS X SPEED 2 (SQUARED) I am uncertain what your question is. As a matter of interest, the value of 10m/s^2 for the acceleration of gravity is in error, in fact, it is never

    asked by robbie jo on July 23, 2005
  35. AP Physics B

    can you check my reasoning 1. The problem statement, all variables and given/known data ok well then... we did a lab were you have a hanging mass attached to a stirng that went through a straw and was attached to a rubber stopper. The lab was to find the

    asked by AP Physics B on September 13, 2009
  36. Physics

    An athlete finished the 100 meter race in 10sec. What was his average speed? acceleration? Acceleration time? Acceleration distance Help with few questions already got the already got the first two V=d/t =100m/10s =10m/s and Acceleration= Vf-Vi/t

    asked by Qin on July 22, 2017
  37. physics

    lots of questions 1) a 2N and 6N force pull on an object to the right and a 4N force pulls to the left a 0.5 kg object what is the net force on the object 2)a 20mkg bike accelerates at 10m/s2 with what force was the person pedaling 3)if a person is pushing

    asked by lauren on January 15, 2010
  38. Physics

    What is the force necessary to accelerate an object with a mass of 115 kg and and an acceleration of 6 m/s2 (squared) east?

    asked by George on November 2, 2010
  39. physics

    If I solved for centripetal acceleration how can you determine the magnitude of the force required to produce this centripetal acceleration? Next step please.... v=15m/s r=35m m=1300 kg 15 squared/35m=225/35= 6.43m/s squared

    asked by Marie on March 16, 2016
  40. science

    a skydiver experiences a downwar force due to gravity of 700 N and an upward force of air resistance of 570 N. The mass of the skydiver is 65 kg. What is the downward acceleration in meters/second squared of the skydiver?

    asked by joan on February 26, 2010
  41. Physicd

    A body of mass 2kg initially moving with 10m/s and a force is applied 10 N at an angle 53 degrees with the normal then find velocity and acceleration after 5 seconds

    asked by Sanobar on March 27, 2017
  42. Physics

    Newton's second law states that if an object has zero acceleration, the net force acting on it is zero. My question is if you have an object at constant acceleration moving downward is there a net force being applied to it? Does constant acceleration= zero

    asked by Mary on April 3, 2007
  43. math

    How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2? This is really a physics question. The equation that you use is Newton's second law, Force = Mass x Acceleration. In this case, the total mass being accelerated is

    asked by kent on June 12, 2007
  44. Mechanics

    What force accelerates a 3kg mass at a rate of 4m/s^2? Assuming this is on smooth surface with no frictional force Force = mass x acceleration F = 3 x 4 F = 12N If there is a frictional force will have to look at the acceleration in the opposing direction

    asked by Janine on February 4, 2007
  45. Physics

    Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what I've learned so far, Newton's laws, mass, acceleration, etc... I just have to make connections. “A Honda Civic and Lincoln Town

    asked by Hannah on December 4, 2009
  46. Physics

    Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what I've learned so far, Newton's laws, mass, acceleration, etc... I just have to make connections. “A Honda Civic and Lincoln Town

    asked by Hannah on December 3, 2009
  47. Physics

    Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what I've learned so far, Newton's laws, mass, acceleration, etc... I just have to make connections. “A Honda Civic and Lincoln Town

    asked by Hannah on December 3, 2009
  48. Algebra

    Suppose that a constant force is applied to an object. Newton's Second Law of Motion states that the acceleration of the object varies inversely with its mass. A constant force acting upon an object with mass 12 kg produces an acceleration of 2m/s^2. The

    asked by Lisa on February 3, 2016
  49. math

    If a 40kg person is accererating at 10m/s(squared), then the magnitude of the force acting on him or her is 400N True or False Why?

    asked by Unit 3 question on March 19, 2020
  50. Physics

    Could you please check my answers and help me out with the last two? Thanxs! 1.Carefully define the following words: distance, displacement, speed, velocity, acceleration. Does it make a difference if we designate distance as "x" or "d"? (I don't

    asked by Jules on September 2, 2007
  51. Science

    A 2,500 kg car moves at 15 m/s squared, 15 m/s squared is the ? a-acceleration b- force c- velocity d-speed My answer is speed

    asked by steve on May 20, 2014
  52. College physics

    a child with a mass of 40 kg slides down a vertical pole with an acceleration of 6 m/s squared. what is the magnitude and direction of the frictional force that acts on the child?

    asked by Pete on February 4, 2010
  53. Engineering science n3

    a train with a mass of 120Mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN mass of the train. The force in the draw bar is 30kN. Calculate: a) The force required for a constant speed b) The force that cause

    asked by Valencia on May 20, 2016
  54. science please help asap

    1.a train with a mass of 120mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN of the mass of the train. The force in the draw bar of the locomotive is 80kN. Calculate A.The force required for the constant speed. B. The

    asked by Bettina on April 6, 2015
  55. Science

    A train with a mass of 120Mg accelerates uniformly on a horizontal track. the resistance to movement is 5N per KN of the mass of the train. the force in the draw bar of the locomotive is 80KN. Calculate the following 1. the force required for the constant

    asked by Thabiso on July 15, 2019
  56. science please help and explain asap

    A train with mass of 120mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN of the mass of the train. The force in the draw-bar locomotive is 80kN Calculate a. The force required for constant speed b. The force that

    asked by Buhle on April 7, 2015
  57. science.......,,....

    train with mass of 120mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN of the mass of the train. The force in the draw-bar locomotive is 80kN Calculate a. The force required for constant speed b. The force that causes

    asked by aneleeeee on April 7, 2015
  58. Physics

    If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period? 0 m/s squared 20 m/s squared 40.82 m/s squared need more information wouldnt it be need more information because isnt acceleration ending

    asked by Greg on April 29, 2008
  59. Physics

    if an obejct has an horizontal acceleration of -0.51 m/s squared and vertical acceleration of -7.683 m/s squared, what is the resultant acceleration?

    asked by Jack on October 15, 2009
  60. Physics

    On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? 100N* cos30 -(100sin30+mg)(.1)= m*acceleration does "m*acceleration mean

    asked by Tiff on August 23, 2006
  61. physics

    An object of mass 50kg moves at 50m/s round a circular path of radius 10m.calculate i)centripetal acceleration. ii)centripetal force need to keep it in it's orbits.. Please show all caculations detains.

    asked by pete onoriode on March 18, 2011
  62. Physics

    You have three balls, one is thrown upward at 30m/s, on is dropped, and one is thrown toward the ground at 20m/s. what is the acceleration of the dropped ball? Vf=0m/s + (-10m/s^2)(1) =0m/s -10m?s^2 = -10m/s a= -10m/s * 0 /1 = 0 am i on the right

    asked by Keisha H on September 8, 2014
  63. physics

    When a horizontal force of 4.5 newtons acts on a block on a resistance-free surface, it produces an acceleration of 2.5 m/s squared. Suppose a second 4.0 kg block is dropped onto the first. What is the magnitude of the acceleration of the combination if

    asked by Caitlyn on October 25, 2010
  64. Physics

    A firefighter of mass 73 kg slides down a vertical pole with an acceleration of 5 m/s2. The acceleration of gravity is 10m/s2. What is the friction foce that acts on him? Answer in units of N

    asked by AJ on January 7, 2014
  65. Science

    A force of 400 N gives a mass (m1) an acceleration of 2 m/s^2. The same force gives another mass (m2) an acceleration of 13 m/s^2. What acceleration will this same force give if m1 and m2 are fastened together?

    asked by L on January 10, 2017
  66. Math

    Find the shortcut. Solve these problems. Then find and explain a shortcut method for finding the answer. 52(Squared) - 42 (squared) = 82 (Squared) - 72 (Squared) = 122 (Squared) - 112 (Squared) = 312 (Squared) - 302 (Squared) = 892 (Squared) - 882

    asked by Anonymous on December 4, 2014
  67. Physics

    Two horizontal forces act on a 2.4 kg chopping block that can slide over a frictionless kitchen counter, which lies in an xy plane. One force is F1 = (3.4 N) i + (3.7 N) j. Find the acceleration of the chopping block in unit-vector notation for each of the

    asked by COFFEE on February 3, 2007
  68. Physics

    A. You drag a suitcase of mass 19 kg with a force of F at an angle 41.3 degrees with respect to the horizontal along a surface with kinetic coefficient of friction 0.54. The acceleration due to gravity is 9.8 m/s^2. What is the normal force on the

    asked by Chris on November 6, 2014
  69. science

    I need some one to check my work. plz:) What is the force required to accelerate 1 kilogram of mass at 1 meter per second per second. 1 pound 1 kilometer 1 gram 1 newton*** Mass and _____ affect the gravitational attraction between objects. air resistance

    asked by MMSanta on October 2, 2019
  70. physics

    suppose the force of 20.0 N pushes on two boxes of unknown mass. We know, however, that the acceleration of the boxes is 1.25 m/s2 and the contact force has a magnitude of 2.73 N. (a) Find the mass of box 1. (b) Find the mass of box 2. So do I subtract the

    asked by Alex on October 11, 2014
  71. Physics

    A particle travels 10m in 5sec and 10m in 5sec and 10m in 3sec assuming constant acceleration what is the distance travelled in next 2sec? Ans:8.3m

    asked by Thousif on October 6, 2017
  72. science

    A force of 5N gives a mass M,an acceleration of 18ms-2qnd a mass m,an acceleration of 24m s-2.what acceleration wouldit give if both the masses were tied together?

    asked by arsh on September 28, 2016
  73. Physics

    A student pulls on a rope attached to a box of books with a mass of 35.0 kg and moves the box up a ramp at 12 degrees with the horizontal. If the box starts from rest at the bottom of the ramp and is pulled at an angle 25.0 degrees with respect to the

    asked by Mischa on February 24, 2007
  74. physics

    A bicycle chain is wrapped around a rear sprocket (r = 0.039m) and a front sprocket (r = 0.10m). The chain moves with a speed of 1.4m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chainlink

    asked by manny on August 18, 2007
  75. math

    How do i find the area of a triangle? For example: A squared + b squared= c squared 8.5 squared + 6.4 squared= c squared 72.25 + 40.96= c squared 113.21=c squared 10.6400188=c even tho i thought this was the answer it is not because it does not solve the

    asked by samantha on August 29, 2008
  76. MATH

    My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

    asked by TAMARA on September 1, 2015
  77. Science

    A block of mass 15kg rest on a horizontal floor ( coefficient of friction is 0.4) (A) what force is required just to make de block move when (i) pulling horizontally (ii) pulling at an angle of 60 to the horizontal (2) if the block is pulled with

    asked by TAKYUN DAVID on July 5, 2019
  78. active physics

    from the question we just did, how much force is neede to stop in 20 seconds! OK. think it through. If it's going at 10 m/s, and then it stops, what is it's change in velocity? is it 10 Yes, now it takes 20 seconds, so what is its acceleration (actually

    asked by alejandra on November 2, 2006
  79. Physics

    On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? Net force= mass*acceleration Horizontal force -frictionalforce =

    asked by Tiff on August 21, 2006
  80. physics

    A mass of 20 kg on a plane inclined at 40 degrees. A string attached to that mass goes up the plane, passed over a pullley and is attached to mass of 30 kg that hangs verticalyy. a) find the acceleration and it's dirction b) the tension in the string.

    asked by Benji on November 20, 2006
  81. physics

    A force is applied to a 2.6 kg mass and produces 2.7 m/s^2 acceleration. What acceleration would be produced by the same force applied to 14.9 kg mass? Answer in units of m/s^2 Here is my work, but i wanted to make sure if it was right or not:

    asked by alexa on July 2, 2011
  82. Physics

    A rocket was launched and it now has an acceleration of 3m pers second squared upwards.the mass of the rocket is 5000kg.calculate the net force acting on the rocket and the upthrust exerted by the exhaust gases on the rocket.

    asked by Tshephiso on February 4, 2013
  83. physics

    a person stands on a bathroom scale in a motionless elevator. when the elevator begins to move, the scale briefly reads only .75 of the persons regular wieght. calculate the acceleration of the elevator, and find the direction of acceleration.(ans 2.5

    asked by sarah on October 2, 2006
  84. physics

    A ball dropped from a sixth floor window accelerates at 10m/s squared. After 2 seconds it hits the ground. It bounces back with a velocity of -15m/s squared. A. What is the balls velocity when it hits the ground? b. The ball is in contact with the ground

    asked by Amy on September 26, 2013
  85. physics

    A mass of 20 kg on a plane inclined at 40 degrees. A string attached to that mass goes up the plane, passed over a pullley and is attached to mass of 30 kg that hangs verticalyy. a) find the acceleration and it's dirction b) the tension in the string.

    asked by Benji on November 20, 2006
  86. Physics

    A 6kg mass is acted on by a force for 60sec and acquires a speed of 10m/s. What is the value of the force? I have calculated this as below: F = ma Therefore F = 6*10/60 F=1N Am I on the correct path? Thank you kindly

    asked by Steph on January 1, 2015
  87. algebra 2 multiple choice HELP

    find f(a), if f(t) = 2t2(squared)-t-2 A. 2(a+t)2(squared)-2t+1-2 B. 2(t+a)2(squared)-2(t+a)-2 C. 2a2(squared)-a-2 D. 4a2(squared)-2a-2 I put (squared) because the two in front of it means it's being squared... please help. thanks!

    asked by sara on November 30, 2010
  88. Math

    My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

    asked by Tamara on September 1, 2015
  89. janulal

    two mass 10 kg and 20 kg are connected with a massless string. a force pf 200 N is acting on the mass 20 kg . the acceleration of 10 kg is 12m/s^2 then the acceleration of 20 kg mass is

    asked by mohit on August 5, 2015
  90. Physics

    A 6.00 Kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.360. Determine the kinetic frictional force that acts on the box when the elevator (a) is stationary (b)

    asked by Kathryn on November 7, 2012
  91. Biomechanics

    If John was pushing a 300 kg desk across the floor with a constant acceleration of 3.5 m/s squared, how much force would he have to apply to the desk to maintain the acceleration, considering the coefficient of kinetic friction is 0.60?

    asked by Jennifer on February 17, 2011
  92. physics

    When a force is applied to an object with mass equal to the standard kilogram, the acceleration of the mass is 3.25 m/s2. When the same magnitude force is applied to another object, the acceleration is 2. 75 m/s2. What is the mass of the object? What would

    asked by Sarah on June 14, 2010
  93. physics

    nina has a mass of 40 kg and bruno has a mass of 100 kg. they stand on a slippery surface and push off eachother. bruno has an acceleration of 1.0 m/s squared. what is nina's acceleration?

    asked by Katie on December 22, 2010
  94. Physics

    A toboggan (with a mass of 15.0 kg) is being pulled by two people who are each holding their own rope, horizontally with an angle 35 degrees off the direction of travel. They are each pulling with a force of 40.0 N, against a friction force of 20.0 N. a)

    asked by Britney on October 15, 2010
  95. science cbse school

    a force of 10 newton gives a mass m1 an acceleration of 2m/s2 and a mass m2 an acceleration of 4m/s2.what acceleration would it givr if both the masses are tied together?

    asked by p.gayathri on August 17, 2014
  96. physics

    Under what condition can a moving object be in a state of equilibrium? If you double the net force on an object and keep the mass constant, how will its acceleration be affected? What will happen to the acceleration if the mass of an object is tripled but

    asked by erwin on December 8, 2011
  97. physics

    a force F applied to an object of mass m1 produces an acceleration of 3.30m/s^2. the same force applied to a second object of mass m2 produces an acceleration of 1.5m/s^2 if m1 and m2 are combined, find their acceleration under the action of the force F.

    asked by raymond on November 20, 2008
  98. physics

    A force F applied to an object of mass m1 produces an acceleration of 3.20 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 2.00 m/s2. (a) What is the value of the ratio m1/m2? (b) If m1 and m2 are combined, find their

    asked by delphine on October 31, 2009
  99. Physics

    Mass is measured in grams, acceleration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times accelaration, and work is equal to force times distance. What is the unit of work?

    asked by Jay on September 28, 2016
  100. physicsss

    while driving his sports car at 20.0 m/s down a four-lane highway, eddie comes up behind a slow-moving dump truck and decides to pass it in the left lane. If eddie can accelerate at 5.00 m/s2) (squared) how long will it take for him to reach a speed of

    asked by confusedd!HELPP!!! on September 11, 2007