# 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

22,562 questions, page 118
1. ## Math

is a horizontal line on a graph a function? I think it is.

asked by Angie on April 14, 2009
2. ## math

The horizontal asymptotes of the curve y=12x/(x4+1)^(1/4)

asked by jin on August 28, 2010
3. ## calculus

find all horizontal and vertical asymptotes of f(x)=2x^2+7x+12/2x^2+5x-12

asked by kelly on March 3, 2011
4. ## pre calc

What is the vertical and horizontal asymptotes of .. 3x _________ x^2-3x-10

asked by Max on October 24, 2011
5. ## Calculus 1

Find the horizontal and vertical asymptotes of (3x^2-48)/(x^2-3x+10)

asked by TayB on September 14, 2015
6. ## history

what is the difference between vertical and horizontal integration?

asked by Joanna on November 24, 2009
7. ## ap calculus

f(x)=x^3-2x^2+x and f'(x)=3x^2-4x+1 Find the value(s) of x where f(x) has a horizontal tangent (slope=0)

asked by sandra on December 21, 2012
8. ## Math

Find the vertical and horizontal asymtotes of y=1/x^2+6x+9

asked by Tina on March 28, 2011
9. ## social studies

what is the difference between vertical and horizontal integration?

asked by Joanna on November 24, 2009
10. ## Math

if y=(x^2)/(x+4) find the values of x where there is a horizontal tangent

asked by Nancy.Sullivan on June 11, 2012
11. ## science

where does horizontal sliding take place on the earth?

asked by hunter on December 6, 2010
12. ## math

explain why the slope of a horizontal line is always zero

asked by joe on November 26, 2018
13. ## Math

how can you go about in calculating vertical and horizontal asymptotes?

asked by Vinny on April 25, 2013
14. ## math

can a function be continuous when it has horizontal assymptote

asked by flame on September 23, 2010
15. ## science

What is the resultant velocity of a 30 m/s at angle of 45° to the horizontal?

asked by israel on October 25, 2018
16. ## math

what is the horizontal limits of : (10x^3-11x^2-2x)/(7-8x^3)

asked by Marshall Mathers on October 11, 2010
17. ## horizontal displacement physics

how do we find horizontal displacement in physics?

asked by lou on February 22, 2012
18. ## math alg2trig

how would you find the horizontal and vertical asymptote of y=x+2/x-3 and y=-3x+2/-4x-5? thanks

asked by Skye on February 5, 2012
19. ## math

does a horizontal line represent function?

asked by brooke on October 12, 2015
20. ## physics

A)Eddie the Eagle, British Olympic ski jumper, is attempting his most mediocre jump yet. After leaving the end of the ski ramp, he lands downhill at a point that is displaced 53.0 m horizontally from the edge of the ramp. His velocity just before landing

asked by Sam on January 31, 2014
21. ## Physics

Eddie the Eagle, British Olympic ski jumper, is attempting his most mediocre jump yet. After leaving the end of the ski ramp, he lands downhill at a point that is displaced 62.2 m horizontally from the edge of the ramp. His velocity just before landing is

asked by Tanner on February 1, 2015
22. ## physics

A)Eddie the Eagle, British Olympic ski jumper, is attempting his most mediocre jump yet. After leaving the end of the ski ramp, he lands downhill at a point that is displaced 53.0 m horizontally from the edge of the ramp. His velocity just before landing

asked by Eleni on February 1, 2014
23. ## physics

A)Eddie the Eagle, British Olympic ski jumper, is attempting his most mediocre jump yet. After leaving the end of the ski ramp, he lands downhill at a point that is displaced 53.0 m horizontally from the edge of the ramp. His velocity just before landing

asked by Tsion on February 1, 2014
24. ## Physics

Hockey puck A initially travels at  v(initial) = 6.2 m/s in the horizontal direction (East) on a smooth horizontal ice before striking hockey puck B which is initially at rest, off-center.  After the collision, A is deflected at Î¸ =  23 degrees

asked by AH on October 25, 2012
25. ## STATS

Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

asked by Tracy on February 20, 2014
26. ## Physics

The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground some

asked by Mary on October 7, 2011
27. ## physics

The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground some

asked by donny on July 1, 2013
28. ## PHY 231

Mass m1 = 11.3 kg is on a horizontal surface. Mass m2 = 5.70 kg hangs freely on a rope which is attached to the first mass. The coefficient of static friction between m1 and the horizontal surface is μs = 0.573, while the coefficient of kinetic friction

asked by Andrea on January 31, 2016
29. ## Calculus

The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x^2. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in cubic units, of the solid? May I have all the explanation

asked by Alice on February 14, 2019
30. ## algebra 1

help please this question is driving my crazy. Suppose there is a 2-degree drop in a temperature for every thousand feet that an airplanes climbs into sky. If the temperature on the ground is 65 degrees, what would be the temperature when the plane reaches

asked by jazz on October 26, 2010
31. ## physics

Three point sized bodies each of mass M are fixed at three corners of light triangular frame . In the above problem about an axis perpendicular to the plane of frame and passing through a corner of frame the moment of inertia of three bodiea is ??

asked by rahul on September 6, 2017
32. ## physics

If motor M exerts a force of F=(10t2+100)N on the cable, where t is in seconds, determine the velocity of the 25kg crate when t=4s . The coefficients of static and kinetic friction between the crate and the plane are μs=0.3 and 0.25 μk=0.25 . The crate

asked by Gloria on November 7, 2013
33. ## physics

an airplane has a mass of 3.1*10^4kg and takes off under the influence of a constant net force of 3.7*10^4N. what is the net force that acts on the plane's 78-kg pilot? can anyone give me some hints to do this?THX A LOT!

asked by ajo on November 17, 2007
34. ## Pre Cal

An airplane leaves an airport and flies due west 150 miles and then 230 miles in the direction S 39.67 degrees W. How far is the plane from the airport at this time to the nearest mile.

asked by Kara on April 9, 2012
35. ## Physics

A plane is flying 25 degrees north of west at 190 km/h and encounters a wind from 15 degrees north of east at 45 km/h. What is the planes new velocity with respect to the ground in standard position?

asked by Matt on February 18, 2013
36. ## physics

A 2.20 kg box slides down a rough incline plane from a height h of 1.39 m. The box had a speed of 2.77 m/s at the top and a speed of 2.34 m/s at the bottom. Calculate the mechanical energy lost due to friction

asked by help on November 21, 2010
37. ## math!

What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) but what diagram would i use???

asked by kenny on November 22, 2006
38. ## physics

Consider a level flight turn of a propeller-driven airplane in which the airplane makes a complete circular turn in 1.6 min. If the plane's speed is 200 m/s, what is the radius of the circle?

asked by kaitlyn on December 2, 2010
39. ## physics

A beam of light is incident on a flat piece of polystyrene at an angle of 55 degrees relative to a surface normal. What angle does the refracted ray make with the plane of surface? thank you

asked by sam on February 25, 2009
40. ## college algebra

Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane f(x)=4+e^-x/3 please help me! show steps also, if i an just given an answer that wont help me! thanks in

asked by samantha on August 28, 2012
41. ## pre-calc

two observers 3 miles apart and facing each other find that the angles of the elevation of a balloon in the same vertical plane with themselves are 28degree and 31 degree respectively.find the distance from the balloon to the observer located at the 31

asked by Haley on November 6, 2012
42. ## physics

An airplane has a velocity relative to the ground of 214 m/s toward the east. The pilot measures his airspeed (the speed of the plane relative to the air) to be 162 m/s. What is the minimum wind velocity possible?

asked by Cindy on September 20, 2011
43. ## Calculus (cross section)

A solid has a base bounded by x^2_y^2=36. Find the volume of the solid if every plane section perpendicular to the diameter is an isosceles triangle whose base is on the circle and whose height is 4 units

asked by Trinh on November 30, 2014
44. ## MATH REPOST

Consider the net of a triangular prism where each unit on the coordinate plane represents four feet. If a sheet of plywood measures 4 ft x 8 ft, how many sheets of plywood will a carpenter need to build the prism? (NEED HELP T ,ASAP !)

asked by Q&J Wiiffeyy on May 20, 2016
45. ## Math

A figure in the coordinate plane is reflected across the line y = x + 1 and then across the line y = x + 3. Find a translation vector that is equivalent to the composition of the reflections. Write the vector in component form. I know the answer is (-2,

asked by Anonymous on June 2, 2015
46. ## Math!!!!!

What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) but what diagram would i use???

asked by kenny on November 22, 2006
47. ## math!

What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) but what diagram would i use???

asked by yo! on November 23, 2006
48. ## physics

An airplane is traveling 675 km/h in a direction 42.5° west of north (a) Find the components of the velocity vector in the northerly and westerly directions. b) How far north and how far west has the plane traveled after 3.00 h?

asked by joe on September 30, 2012
49. ## Algebra 2

A woodland jumping mouse hops along a parabolic path given by y=-0.2x^2+1.3x where x is the mouse's horizontal position (in feet) and y is the corresponding height (in feet). Can the mouse jump over a fence 3 feet high? Explain. I know that x is 3.25 and

asked by Krystal on September 2, 2013
50. ## math

In the standard (x,y) coordinate plane, the graph of (x + 3)2 + (y + 5)2 = 16 is a circle. What is the circumference of the circle, expressed in coordinate units?

asked by J on August 14, 2013
51. ## Math--Slope

a) Why is Slope important when an airplane takes off. Explain. b) What might affect the slope of the plane at takeoff? Explain. Thanks.

asked by May on February 25, 2007
52. ## calculus

Determine the equation of a curve in the xy-plane that passes through the point (0, 1) and has the slope x2 sin 4x at any point (x, y) on the curve.

asked by Sophie on September 29, 2010
53. ## geometry

how do you find the speed of the plane 130 miles per hour, cross wind 20 miles hour

asked by brian on December 27, 2014
54. ## Geometry

What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point) 21 units 25 units 34 units 36 units

asked by Sandra on September 18, 2014
55. ## calculus

find the volume of the solid bounded above by the surface z=f(x,y) and below by the plane region R f(x,y)=2x^2 y;R is the region bounded by the graphs of y=x and y=x^2

asked by sol on April 5, 2012
56. ## Geometry

If a whole bunch of lines(no two parallel, no 3 concurrent) intersects in a plane 2926 times, how many lines are a whole bunch?

asked by Skylar on October 3, 2010
57. ## Geometry

Paragraph proof: in the figure AC and BD LIE IN PLANE j and BY AND CX lie on k C and D are collinear. 2.) points a c and x are coplanar. 3.) X and Y are collinear

asked by CASSIE on September 6, 2013
58. ## PHYSIC

A PLANE IS TRAVELING AT 90 MILES PER HOUR DUE SOUTH. WHAT DO WE KNOW ABOUT IT? 1. ITS SPEED 2. ITS VELOCITY 3. BOTH ITS SPEED AND ITS VELOCITY

asked by GRISSELL on January 14, 2012
59. ## material science

Honeycombs with negative values of θ have negative values of Poisson's ratio for loading in the plane of the cells.

asked by karthik on January 26, 2017
60. ## Physic

A plane is traveling at 90 miles per hour due south. What do we know about it? the speed, its velocity or both its speed and its velocity?

asked by Eddie on January 14, 2012
61. ## Physics

A small dog sits 1.5 m in front of a plane mirror. Where is the dog's image in relation to the mirror?

62. ## physics

A 0.400 kg ball is shot directly upward at initial speed 40.0 m/s. What is its angular momentum about a point 2.0 m horizontal from the launch point, when the ball is a) at maximum height and b) halfway back to the ground? What is the torque on the ball

asked by jane on June 13, 2009
63. ## Physics

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from

asked by NeedHelp! on October 24, 2009
64. ## Contest-Help-more thoughts

Hey, I need help coming up with a few lines. Lines you never wantto hear during summer vacaation. ex. that piece of newspaper is the toilet paper I don't know if these are good: -That was our plane money -I thought you were in charge of the kids -These are

asked by Sara on April 15, 2010
65. ## Calculus

Find the volume of the solid whose base is the region in the xy-plane bounded by the given curves and whose cross-sections perpendicular to the x-axis are (a) squares, (b) semicircles, and (c) equilater triangles. y=x^2, x=0, x=2, y=0 I know how to graph

asked by Anonymous on December 15, 2007
66. ## physics

A light rigid rod 1.00 m in length joins two particles, with masses 4.00 kg and 3.00 kg, at its ends. The combination rotates in the xy plane about a pivot through the center of the rod. Determine the angluar momentum of the system about the origin when

asked by jean on May 23, 2007
67. ## phys

At t= 0, a particle starts from rest at x= 0, y= 0, and moves in the xy plane with an acceleration ->a = (4.0ihat+ 3.0jhat)m/s^2. Assume t is in seconds. Determine the position of the particle as a function of time t. Express your answer in terms of the

asked by physics on September 15, 2009
68. ## science/maps

An airplane flies directly west at 1,000 kilometers per hour. Without changing directions, the plane returns to its starting point in just one hour. What can you infer about the planes route with regard to lines of latitude and longitude? Explain please.

asked by linda on February 20, 2011
69. ## Physics

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from

asked by Lila on October 24, 2009
70. ## Math

The distance d1 in miles, a small plane is from its final destination is given by d(t) = 250 – 100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function. (You must first

asked by Debbie on April 22, 2014
71. ## Calculus - URGENT EXAM

I HAVE AN EXAM REVIEW QUESTION AND I REALLY NEED HELP. An airplane has an air speed of 330km/h and is heading in a direction of N30E when it encounters a wind from the north. The resultant ground velocity has a direction of N40E. How long does it take for

asked by Santha on June 19, 2010
72. ## physics

When a ball falls down from a height h, its P.E is transformed into K.E as it's free-falling, BUT..... wot abt objects not falling freely? So... What happens to the potential energy of an aeroplane when it lands, does it change to K.E (well it already has

asked by Mike on June 29, 2005
73. ## physics

A white billiard ball with mass mw = 1.32 kg is moving directly to the right with a speed of v = 2.91 m/s and collides elastically with a black billiard ball with the same mass mb = 1.32 kg that is initially at rest. The two collide elastically and the

asked by Anonymous on March 10, 2013
74. ## 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
75. ## Physics

A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an

asked by Student on October 8, 2007
76. ## Chemistry

Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 24.4g . What minimum amount of H2SO4 in grams would you need?

asked by Kelsey on March 24, 2015
77. ## Physics

A 0.200 kg block of ice at -15 degrees Celsius is placed into a pan on a stove, heated to a liquid, and then to vapour with a final temperature of 115 degrees Celsius. Calculate the total amount of heat required for this process.

asked by Anonymous on January 7, 2013
78. ## Physics

A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. the combined mass swings up to a height of 8.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision? Answer a. 0.394 kg·m/s

asked by Jake on March 19, 2014
79. ## Maths

Hi, I have to produce a sketch of a line that passes through the points (4,3) and (10,0), i have already worked its gradient out to be -0.5 and its y - intercepts as 5. For some reason i am having a mental block on the next bit! I need to add the line y =

asked by Jas on July 12, 2010
80. ## math

Dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

asked by Angelina on April 20, 2015

dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

asked by Spartans on April 20, 2015
82. ## Phy

A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. the combined mass swings up to a height of 8.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision? Answer a. 0.394 kg·m/s

asked by Jake on March 19, 2014
83. ## math

dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

asked by Spartans on April 20, 2015
84. ## English,maths,physics,chemistry

Topic:machine,a block and tackle of 6 pulleys is used to raise a load of 300N steadily through a height of 30m.if the work done against friction is 2000J. calculate:the work done by effort,the efficiency of the system,the applied effort.

asked by Chigozie on March 19, 2012
85. ## Physics

A 6.6 g bullet is stopped in a block of wood (mw = 6 kg). The speed of the bullet-pluswood combination immediately after the collision is 0.8 m/s. What was the original speed of the bullet? Answer in units of m/s.

asked by Marie on January 26, 2015
86. ## Physics 30

A 6.8 g bullet travelling at 395m/s goes through a stationary block of wood in 4.3 *10^-4 and emerges at 102 m/s. what average force did the wood exert on the bullet ? how thick is the wood?

asked by Arif on October 20, 2014
87. ## physics

A person in an elevator is holding a 13 kg block by a cord rated to withstand a tension of 226 N. When the elevator starts up, the cord breaks. What was the minimum acceleration of the elevator?

asked by Georgia on December 16, 2010
88. ## physics

A person in an elevator is holding a 13 kg block by a cord rated to withstand a tension of 226 N. When the elevator starts up, the cord breaks. What was the minimum acceleration of the elevator?

asked by Georgia on December 16, 2010
89. ## thermodynamics

a piece of silver metal is taken from a furnace where the temperature is 75C and placed on large block of ice T 0.0C. assuming that all heat is given up by the silver is used to melt the ice,how much ice is melted?

asked by anemone on November 28, 2015
90. ## 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
91. ## Physics

In Fig. 4-11, a ball is launched with a velocity of 7.50 m/s, at an angle of 50° to the horizontal. The launch point is at the base of a ramp of horizontal length d1 = 4.00 m and height d2 = 3.60 m. A plateau is located at the top of the ramp. What is the

asked by Robert on October 25, 2010
92. ## Physics

A mass of 14 kg is moving at a speed of 39 m/s at the bottom of incline which is inclined at an angle of 51.6 degrees. The incline has friction and the coefficient of kinetic friction is 0.6. The mass travels up the incline and stops due to both gravity

asked by Kimmy on October 17, 2014
93. ## math

Find m∠BAC and m∠DAB in the figure shown below. 1. Line upper D upper C is shown intersecting with line upper E upper B at point upper A. The angle upper E upper A upper D is labeled 80 degrees. A. m∠BAC=80° and m∠DAB=180°......this one i pick B.

asked by Street fighter on February 8, 2019
94. ## physics

a pile drive has a 413 kg block that is lifted 1.4m and then dropped onto the pile being driven into the ground. suppose that it takes 24ms to stop when it hits the pile. what is the average force exerted on the pile by the pile driver?

asked by sarah on June 14, 2009
95. ## physics

One end of a light spring with force constant 300 N/m is attached to a vertical wall. A light string is tied to the other end of the horizontal spring. The string changes from horizontal to vertical as it passes over a solid pulley of diameter 6.00 cm. The

asked by caroline on November 30, 2009
96. ## Chemistry

What is the orbital diagram for Ti 2+? I got 1s two arrows, 2s two arrows, 2p 6 arrows, 3s two arrows, 3p six arrows, 4s two arrows but it is wrong. It said ions of d-block metals typically lack the outermost s electrons that are present in their neutral

asked by Anonymous on November 4, 2012
97. ## physics

A bullet of mass 15 gm is shot horizontally into a 15 kg block of wood attached to a spring of spring constant 1000 N/m. The force of the impact compresses the spring 10 cm. What is the velocity of the bullet?

asked by kwaku on November 13, 2010
98. ## physics

a pitcher throws a 0.50kg ball of clay at a block of wood. the clay sticks to the wood on impact, and their joint velocity afterworks in 3.0m/s. what is the original speed of the clay

asked by Anonymous on March 1, 2011
99. ## physics 101

A person in an elevator is holding a 15 kg block by a cord rated to withstand a tension of 180 N. When the elevator starts up, the cord breaks. What was the magnitude of the minimum acceleration of the elevator?

asked by laura on September 22, 2012
100. ## Physics

A block of mass m = 2.4 kg is released from rest at a height of H = 3.0 m on a curved frictionless ramp. At the foot of the ramp is a spring whose spring constant is k = 317.0 N/m. What is the maximum compression of the spring, x?

asked by Devon on June 17, 2014