Search: magnitude

Number of results: 6,706

Physics
partscoretotalsubmissions1--10/12--10/13--10/14--10/1----4--The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the x and y components...
Monday, May 7, 2007 at 10:23am by Panda

Physics
1. Consider the two vectors P and Q. The definition of P is P = 􀀃i × (􀀃i × 􀀃j). The definition of Q is Q = (􀀃i × 􀀃i) × 􀀃j . a. The magnitude of P is equal to the magnitude of ...
Tuesday, December 27, 2011 at 8:03am by Sarah

physic
The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 true or false for each question The magnitude of V3 can be -3.0 m/s The x-component of V3 can be...
Tuesday, September 21, 2010 at 9:25pm by emma

physics
The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 True False The magnitude of V3 can be -3.0 m/s The x-component of V3 can be 2.0 m/s The ...
Wednesday, September 22, 2010 at 6:26pm by Anonymous

physics
The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 true for false The magnitude of V3 can be -3.0 m/s The x-component of V3 can be 2.0 m/s The ...
Tuesday, September 21, 2010 at 10:26pm by Anonymous

Physics
Which of the following is an accurate statement? a) a vector cannot have zero magnitude if one of its components is not zero b) the magnitude of a vector can be less than the magnitude of one of its componenets c) if the magnitude of vector A is less than the magnitude of ...
Wednesday, September 19, 2007 at 2:42pm by Tammy

Grade 12 Physics
What do you mean by the magnitude of an object? It makes sense to talk about the magnitude of a vector, or the entirely different magnitude (logarithmic brightness scale) of a star, but not that of a simple massive object. Don't worry about the concept of magnitude of an ...
Tuesday, October 14, 2008 at 2:25am by drwls

physics II
Two point charges of equal magnitude are 8cm apart. at the midpoint of the line connecting them, their combined electric field has a magnitude of 45 N/C.Find the magnitude of the charge.
Wednesday, April 13, 2011 at 3:43pm by ike

physics
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb. find magnitude and angle
Tuesday, January 25, 2011 at 9:42pm by Al

Calculus
My logic was this, as stated from a text book, which also showed your way: the projection of vector a onto b is found by (magnitude a)(magnitude b)(vector b) all over (magnitude b)2
Monday, June 30, 2008 at 8:39pm by Derek

physics
What magnitude is not possible when a vector of magnitude 3 is added to a vector of magnitude 4? choices: a.7 b.0 c.3 d.1 e. 5 I dont think its a. or d.
Tuesday, June 14, 2011 at 12:18am by naomi

Physics
The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the x and y components of the vector compare to the size of the original vector ...
Monday, May 7, 2007 at 10:25am by Panda

Science
The stellar magnitude scale is defined such that if two stars differ in brightness by a factor of 100, they differ in magnitude by what magnitudes? I TRIED TO FIGUR OUT WHAT YOU WERE SAYING BUT I CANT FIGUIR IT OUT SORRY Savannah 3rd grade Mrs.Love A factor of 10 is one order ...
Monday, October 9, 2006 at 6:20pm by Liz

pre-calc
The stellar magnitude scale has not been defined correctly in this question. Actually, it is m2 - m1 = 2.5 log(10)(b1/b2) so that for each decrease in magnitude by 5, the brightness increases by 100. I hesitate to answer your question because a wrong formula is being used. The...
Saturday, May 16, 2009 at 1:46pm by drwls

physics (vector)
when two forces of magnitude p and q are perpendicular to each other their resultant is of magnitude 'r' whaen they are at an angle 180 degree to each other their resultant is of magnitude 'r under root 2' find the ratio of p and q.
Monday, June 6, 2011 at 11:42pm by shwet

physics
Calculate the difference between the magnitude of the gravitational force and the magnitude of the normal force exerted on a 100 kg object at the equator. Which of the two forces is equal in magnitude to the weight of the object?
Monday, December 5, 2011 at 11:37pm by Alex

Calculus
Two forces of equal magnitude act to 60 degrees. If their resultant has a magnitude of 30N, find the magnitude of the equal forces.
Saturday, February 11, 2012 at 4:23pm by Ed

Physics
Vector ~A has a magnitude of 7 and points in the positive x-direction. Vector ~B has a magnitude of 21 and makes an angle of 30â—¦ with the positive x-axis. What is the magnitude of ~A âˆ’ ~B ?
Monday, September 6, 2010 at 3:17pm by nelly

Vectors
The vector x and y are the lenght of 3units(they both have a magnitude of 3). If the magnitude of( vectorx + vector y)= root 17, determine the magnitude of (vector x- vector y)
Friday, April 30, 2010 at 5:26pm by John

URGENT SUMMER SCHOOL CALCULUS
A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to the resultant. Find the magnitude and direction of the other force...how do I begin to solve this!?
Sunday, June 29, 2008 at 8:30pm by Derek

physics
Vector A has magnitude 3.87 units; vector B has magnitude 5.63 units. The angle between A and B is 60.0°. What is the magnitude of A and B?
Wednesday, September 8, 2010 at 9:15pm by monica

Physics
Vector Aarrowbold points in the negative y direction and has a magnitude of 8 units. Vector Barrowbold has the same the magnitude and points in the positive x direction. Find the direction and magnitude of the following vectors. a) Aarrowbold + Barrowbold magnitude direction &...
Friday, October 12, 2012 at 1:28pm by HELP

Physics
Two oppositely charged spheres, with a centre to centre separation of 4.0 cm, attract each other with a force of magnitude 1.2x10^-9N. The magnitude of the charge on one sphere is twice the magnitude the charge on the other. Determine the magnitude of the charge on each. I ...
Tuesday, April 14, 2009 at 11:07pm by Lucy

physics
An elevator is initially moving upward at a speed of 12.84 m/s. The elevator experiences a constant downward acceleration of magnitude 3.80 m/s2 for 3.18 s. (a) Find the magnitude and direction of the elevator's final velocity. magnitude: direction:
Tuesday, September 13, 2011 at 11:18pm by Nour

physics
The sum of two forces, one having a magnitude of 8 N acting due west and other having a magnitude of 6 N acting due north is ___. What is the magnitude of that force? Answer in units of N
Tuesday, September 27, 2011 at 10:16am by Dee

physics
In the sum A+ B =C , vecto rA has a magnitude of 11.0 m and is angled 32.0° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 18.0° counterclockwise from the -x direction. What are the magnitude and the angle (relative to +x) ...
Sunday, September 13, 2009 at 11:54pm by kate

Physics
Vector A is directed along the positive y-axis and has magnitude 5.0 units. Vector B is directed along the negative x-axis and has magnitude 6.0 unit. (a) What are the magnitude and direction of A + B? (b) What are the magnitude and direction of A − B? (c) What are ...
Sunday, September 9, 2012 at 3:12pm by Sherry

Diagram for already posted question
A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to the resultant. Find the magnitude and direction of the other force..what should my diagram look like? Thanks
Monday, June 30, 2008 at 1:00pm by Derek

Physics
Find the position and velocity of a particle at t=1.94 s if the particle is initially moving east at a speed of 19.8 m/s and experiences an acceleration of magnitude 4.08 m/s^2, directed west. Magnitude and direction of the position. magnitude- direction- East of its original ...
Sunday, January 16, 2011 at 7:16pm by Christopher

physics
Vector A has magnitude 3.6 units; vector B has magnitude 5.9 units. The angle between A and B is 45degrees. What is the magnitude of A + B?
Wednesday, September 8, 2010 at 12:57pm by Ahson

PHYSICS
The cutting tool on a lathe is given two displacements, one of magnitude 4 cm and one of magnitude 3 cm, in each one of five situations (a) through (e) diagrammed in the figure below. Rank these situations according to the magnitude of the total displacement of the tool, ...
Tuesday, November 20, 2012 at 8:22am by JOAN

College physIcs
An electron travels at a speed of 4.0×104 m/s through a uniform magnetic field whose magnitude is 1.4×10−3 T. What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field are perpendicular? F= N What is the magnitude ...
Friday, February 19, 2010 at 5:52pm by Lanise

physic
Help me please.Thank you so much A uniform plank of length 2.00 m and mass 25.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 715 N person is 0.500 m from the left end. T1 have 40.0 degree. magnitude ...
Sunday, November 22, 2009 at 2:42am by Chan

physics help go!
Two cars are traveling at the same speed of 27 m/s on a curve that has a radius of 126 m. Car A has a mass of 1020 kg, and car B has a mass of 1670 kg. Find (a) the magnitude of the centripetal acceleration and (b) the magnitude of the centripetal force for Car A, (c) the ...
Thursday, February 10, 2011 at 7:10pm by Hannah

physics
Displacement vector points due east and has a magnitude of 2.69 km. Displacement vector points due north and has a magnitude of 7.91 km. Displacement vector points due west and has a magnitude of 8.64 km. Displacement vector points due south and has a magnitude of 4.57 km. ...
Saturday, September 15, 2012 at 1:12am by loli09

Physics
(a) Calculate the magnitude of the gravitational force exerted on a 430-kg satellite that is a distance of 2.81 times earth radii from the center of the earth. (b) What is the magnitude of the gravitational force exerted on the earth by the satellite? (c) Determine the ...
Wednesday, December 12, 2012 at 4:51pm by shine

Physics
(a) Calculate the magnitude of the gravitational force exerted on a 488-kg satellite that is a distance of 1.95 times earth radii from the center of the earth. (b) What is the magnitude of the gravitational force exerted on the earth by the satellite? (c) Determine the ...
Thursday, October 4, 2012 at 12:58am by Donald

Physics
Two positive charges of magnitude q are each a distance d from the origin A of a coordinate system as shown above. ( Figure: h t t p : / / draw.to/DS0Qid) At which of the following points is the electric field least in magnitude? At which of the following points is the ...
Saturday, February 19, 2011 at 10:10pm by Amanda E.

physics
A 0.21 kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the tension is 18 N. -------------------------------------------------------------------------------- (a) How does the magnitude of the ...
Friday, April 4, 2008 at 7:52pm by Johnathan

PHY 131
three forces act on a moving force object. one cforce has a magnitude of 80.O N and is directed due north. another has a magnitude of 60.0N and is due west. What must the magnitude and direction of the 3rd force, such that the object continues to move at a constant velocity.
Tuesday, March 23, 2010 at 5:17pm by S.Strange

physics
The magnitude of vector A is 18 units at an angle of 90 degrees with the x-axis, and the magnitude of vector B is 12 units at an angle of 330 degrees with the x-axis. What vector C must be added to the vectors A and B so that the resultant of these three vectors points in the ...
Saturday, March 31, 2012 at 10:38am by Ro2ita

Physics
A student of weight 661 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force FN on the student from the seat is 549 N. (b)What is the magnitude of FN at the lowest point? _________N (c) If the wheel's ...
Wednesday, November 4, 2009 at 1:03pm by Jane

DEFINE: Magnitude
What wud the defenition of magnitude be in the physics/motion. ?
Saturday, November 13, 2010 at 3:01pm by Anonymous

science
can the magnitude of the resultant of two vectors be smaller than the magnitude of either of them? Explain
Sunday, July 22, 2012 at 5:39pm by preyoshi

8th grade science
velocity has direction and magnitude, speed has only magnitude.
Monday, February 28, 2011 at 7:59pm by bobpursley

Vectors/Magnitude
The vector v has a magnitude of 89.7 feet and a direction of 12(degree sign)48'. find the magnitude of its vertical component a: 887.47 ft b: 19.87 ft c: 19.38 ft d: 87.58 ft
Sunday, April 22, 2012 at 5:04pm by Some1 Help Me Plz

angular momentum
a 8.20 kg particle P has a position vector of magnitude 6.90 m and angle θ1 = 42.0° and a velocity vector of magnitude 6.70 m/s and angle θ2 = 25.0°. Force , of magnitude 8.90 N and angle θ3 = 28.0° acts on P. All three vectors lie in the...
Wednesday, May 30, 2012 at 10:02pm by jose

physics
Vector vector A has a magnitude of 6.90 units and makes an angle of 46.5° with the positive x-axis. Vector vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following. (a) The vector sum vector A + ...
Wednesday, September 29, 2010 at 11:22am by Bill Muary

Physics/Math
In the vector sum A + B = C , vector A has a magnitude of 13.1 m and is angled 49° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 20.0° counterclockwise from the -x direction. What are (a) the magnitude and (b) the ...
Saturday, January 27, 2007 at 9:44pm by TechnoBoi11

University Physics
Magnitude of C: sqrt(6.7^2+6.9^2). figure that out. so what is added? A+C=MagnitudeC j so A must be -6.7i + (magnitude-6.9)j
Tuesday, September 6, 2011 at 3:43pm by bobpursley

University Physics
If is added to = 6.7 + 6.9, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of . What is the magnitude of ?
Tuesday, September 6, 2011 at 3:18pm by Phil

Math(Urgent Please help)
wouldn't it be magnitude of u x V ? let that vector be W=ai + bj+ ck magnitude W= sqrt(a^2+b^2+c^2)
Thursday, April 1, 2010 at 1:03am by bobpursley

Physics HELP!!
two horizontal forces F1 and F2, acting on an object of mass 1.11kg. The magnitude of F1 is 27.56N. The object moves strictly along the horizontal x-axis, which we choose as positive to the right. Find the magnitude of F2 if the object has a horizontal acceleration of 8.4m/s^2...
Wednesday, October 31, 2012 at 8:28am by Angie

science physics
1.) What is the Magnitude of the electrostatic force on a +5 C charge 1.75 m to the left of a -2.5 C charge? (show your work) 2.) In What direction does the force on the +5 C charge act? 3.)Calculate the magnitude of the electric field of the -2.5 C charge at the location of ...
Tuesday, May 14, 2013 at 10:42am by Todd

Physics
vector a points in the negative x direction and has a magnitude of 22 units . The vector B points in the positive y direction a. Find the magnitude of B if A+B has a magnitude of 37 units b. sketch A and B
Tuesday, March 13, 2012 at 12:35pm by Ahmed

Physics
If B is added to C = 6.5i + 4.6j, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of C. What is the magnitude of B?
Thursday, January 20, 2011 at 4:16pm by Ethan

Math
Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.
Wednesday, March 31, 2010 at 10:27pm by Hannah

Physics
A uniform door (0.81 m wide and 2.1 m high) weighs 122 N and is hung on two hinges that fasten the long left side of the door to a vertical wall. The hinges are 1.5 m apart. Assume that the lower hinge bears all the weight of the door. (a) Find the magnitude and direction of ...
Friday, April 4, 2008 at 5:21am by Pierce

Physics
A chair with a mass of 21 kg is accelerated by a steady net force with a magnitude of 160 N. What is the magnitude of its acceleration?
Friday, March 4, 2011 at 8:25pm by Anonymous

physics
What is the magnitude of the electric ﬁeld if one charge is positive and the other negative, both of magnitude 5.43 µC?
Thursday, March 3, 2011 at 8:17pm by Anonymous

math
The magnitude of u is sqrt 18. The magnitude of v is 4 The dot product of u and v is u*v = -6 -6sqrt3 = -6(1+sqrt3) The cosine of the angle between the vectors is (u*v)/|u||v|
Wednesday, March 31, 2010 at 1:10am by drwls

order of magnitude estimate
Which of the following is the best order of magnitude estimate in meters of the height of a mountain? a) 1 m b) 10 m c) 100 m d) 1000 m And your thinking is...? We will be happy to critique your thinking or work. I perosnally think that it is d is that correct? As an order of ...
Wednesday, September 6, 2006 at 8:46am by Anonymous

gr 12 physics NEED HELP PLEASE
Vector A has a magnitude of 12.3 units and points due west. Vector B points due north. (a) What is the magnitude of B if A + B has a magnitude of 15.0 units? (b) What is the direction of A + B relative to due west? (c) What is the magnitude of B if A - B has a magnitude of 15....
Thursday, September 16, 2010 at 11:30am by Anonymous

Pre-Cal(urgent)
Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.
Wednesday, March 31, 2010 at 11:06pm by Hannah

PHYSICS
3 FORCES ACT ON MOVING OBJECT.FIRST FORCE HAS MAGNITUDE OF 80.0N AND DIRECTED DUE NORTH.ANOTHER HAS MAGNITUDE 60.0N AND DIRECTED DUE WEST.WHAT IS THE MAGNITUDE AND DIRECTION OF THIRD FORCE,SUCH THAT THE OBJECT MOVE IN CONSTANT VELOCITY?
Monday, June 25, 2012 at 6:47pm by Anonymous

physics
A particle undergoes two displacements. The first has a magnitude of 160 cm and makes an angle of 105.0° with the positive x axis. The resultant displacement has a magnitude of 140 cm and is directed at an angle of 35.0° to the positive x axis. Find the magnitude and ...
Thursday, September 13, 2012 at 7:37pm by neeba

physics
Motion in a Circle A particle P travels with constant speed in a circle of radius 5.6 m and completes one revolution in 36.0 s. The particle passes through O at t = 0 s. What is the magnitude of the average velocity during the interval from t = 3.6 s and t = 12.5 s. What is ...
Friday, September 18, 2009 at 9:57pm by AK

Physics
A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields. Determine the ...
Thursday, September 27, 2007 at 10:45pm by Mary

Physics
Vector {A} points in the negative y direction and has a magnitude of 14 units. Vector {B} has twice the magnitude and points in the positive x direction. Find the direction and magnitude of {A}+{B} counterclockwise from the positive x axis.
Saturday, February 4, 2012 at 4:44pm by Jan

physics
Vector A has a magnitude of 23 units and points in the positive y-direction. When vector B is added to A, the resultant vector A+B points in the negative y-direction with a magnitude of 15 units. Find the magnitude of B?
Tuesday, September 21, 2010 at 6:41pm by jc

physics
i need help w part b and c A proton is released from rest in a uniform electric field of magnitude 388 N/C. (a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in 2....
Tuesday, December 20, 2011 at 5:59pm by ann

physics
Three forces act on a moving object. One force has a magnitude of 61.9 N and is directed due north. Another has a magnitude of 52.0 N and is directed due west. What must be (a) the magnitude and (b) the direction of the third force, such that the object continues to move with ...
Sunday, September 23, 2012 at 10:35pm by Robin

phisics
Two positive charges, each of magnitude 2 10-6 C, are located a distance of 17 cm from each other. (a) What is the magnitude of the force exerted on each charge?
Tuesday, July 24, 2012 at 6:54pm by kelly

math
a vector has a magnitude of 18.3 cm and a direction of 38 degrees. find the magnitude of its vertical and horizontal components to the nearest tenth.
Tuesday, April 19, 2011 at 7:06pm by Brad

CHEMISTRY
During a spontaneous chemical reaction, it is found that äSsys < 0. This means __________ a. äSsurr < 0 and its magnitude is < äSsys. b. äSsurr < 0 and its magnitude is > äSsys. c. äSsurr > 0 and its ...
Wednesday, August 1, 2012 at 7:12pm by MONICA

physics
Triangle ABC. The vector A(runs down y-axis) has a magnitude of 5. The vector B(runs across x-axis) has a magnitude of 10. The vector C has a magnitude of 15 and is at an angle of 30 degrees to the x-axis. Compute the following vectors by using both the graphical and component...
Sunday, September 16, 2007 at 9:08pm by jess

Physics
A warehouse employee used a cable to pull a 125 kg crate across the floor. the angle between the cable and the floor was 25°. The magnitude of the pulling force was 185 N. The coefficient of kinetic friction between the crate and the floor was 0.27. A)What was the weight ...
Tuesday, November 27, 2012 at 3:57pm by Kevin

Physics
A car makes a trip due north for three fourths of the time and due south one-fourth of the time. The average northward velocity has a magnitude of 27m/s, and the average southward velocity has a magnitude of 17m/s. What is the average velocity, magnitude and direction of the ...
Sunday, September 14, 2008 at 1:45pm by DELLI

physics-vectors
If the magnitude of the sum of two vectors is greater than the magnitude of either vector, then: If the magnitude of the sum of two vectors is less than the magnitude of either vector, then: a. the scaler product of the vectors must be negative b. the scaler product of the ...
Monday, August 6, 2007 at 12:33am by mekeke

Trigonometry
I need help: If vector u has a magnitude of 4 meters and a direction of 17 degrees and vector v has a magnitude of 6 meters and a direction of 133 degrees. Find the magnitude of the resultant vector of u + 3v.
Tuesday, April 30, 2013 at 10:55pm by G0al

College Physics
Vector A points in the negative y direction and has a magnitude of 6 units. Vector B has twice the magnitude and points in the positive x direction. Find the direction and magnitude of vec A-B and Vec B-A?
Wednesday, March 2, 2011 at 3:37pm by Brittany

physics
A particle has a charge of +1.5 µC and moves from point A to point B, a distance of 0.19 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at...
Tuesday, January 17, 2012 at 10:39pm by Taylor

Science
1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused on how to get the ...
Sunday, February 28, 2010 at 7:24pm by Janet

physics
A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a magnitude of 5.50 103 N/C. Both fields point in the same direction. A positive 1.8-µC charge moves at a speed of 2.60 106 m/s in a direction that is perpendicular to both fields. Determine the ...
Tuesday, February 8, 2011 at 10:04pm by aml

chemistry
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 152 cm and makes an angle of 125° with the positive x axis. The resultant displacement has a magnitude of 150 cm and is directed at an angle of 35.0° to the positive...
Monday, January 25, 2010 at 9:18pm by tea

Trig..please help!
Two forces are pushing an ice shanty along the Ice. One has a magnitude of 330 lb in a direction due east. The other force has a magnitude of 110 lb in a direction 54 degrees east of north. What are the magnitude and direction of the resulant force?
Sunday, January 6, 2013 at 10:18pm by Rachel

Science(Urgent)
1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused on how to get the ...
Sunday, February 28, 2010 at 8:18pm by Janet

Physics 30
A point charge q=+4.7nC is placed at each corner of an equilateral triangle with sides of 0.21m in length. a) What is the magnitude of the electric field at the midpoint of the three side of the triangle? b) Is the magnitude of the electric field at the centre of the triangle ...
Thursday, April 5, 2012 at 1:50pm by Derek

Physics
2 forces acting at a point make angles of 25 and 65 degrees respectively with their resultant which has a magnitude of 150 N .Find the magnitude of the two components.
Friday, December 31, 2010 at 5:38am by Joseph

Physics
uniform door (0.81 m wide and 2.1 m high) weighs 122 N and is hung on two hinges that fasten the long left side of the door to a vertical wall. The hinges are 1.5 m apart. Assume that the lower hinge bears all the weight of the door. (a) Find the magnitude and direction of ...
Sunday, April 6, 2008 at 12:24pm by Mildred

college physics
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.5 N; a second force has a magnitude of 3.9 N and points in the negative y direction. Find the direction and magnitude of the ...
Monday, September 24, 2012 at 11:35pm by anne

physics
An object acted on by three forces moves with constant velocity. one force acting on the object is in the positive x direction and has magnitude of 6.5 N, a second force has a magnitude of 4.4 N and points in the negative direction. Find the direction and magnitude of the ...
Sunday, November 6, 2011 at 7:06pm by taylor

physics
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 5.1 N; a second force has a magnitude of 4.3 N and points in the negative y direction. Find the direction and magnitude of the ...
Saturday, October 15, 2011 at 9:17am by anonymous

physics
A man pushing a mop across a floor causes the map to undergo two displacements. The first has a magnitude of 200 cm and makes an angle of 120° with the positive x axis. The resultant displacement has a magnitude of 240 cm and is directed at an angle of 60.0° to the ...
Saturday, September 10, 2011 at 9:43pm by grace

college physics
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 140 cm and makes an angle of 130° with the positive x axis. The resultant displacement has a magnitude of 144 cm and is directed at an angle of 30.0° to the positive...
Tuesday, September 28, 2010 at 1:17pm by caitlin

Physics(Please help, thank you)
Using a force table the direction and magnitude had to be found for the following measurements: F1 = 200 grams at 30 degrees; F2 = 200 grams at 120 degrees The magnitude and direction found was 280 grams at 257 degrees. Using the magnitude and direction of F1 and F2 I need to ...
Monday, September 24, 2012 at 12:49am by Hannah

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