A point moves along the xaxis, and its xcoordinate after t sec is x = 4t + 16. (Assume that x is in centimeters.) (a) What is the velocity? in cm/sec
40,653 results
Calculus
A particle moves along the curve y = sqr(1+x^3). As it reaches the point (2,3), the ycoordinate is increasing at a rate of 4 cm/s. How fast is the xcoordinate of the point changing at that instant.

(PreAlgebra) A
Lesson 7: Coordinate Plane Essential Algebra Readiness(PreAlgebra) A Unit 4: Real Numbers and the Coordinate Plane Has anyone done the Coordinate Plane Practice AND assessment? 1. Which point is located at (3, 2)? (1 point) •C •D •F •G 2. Which

algebra
1.What is the slope of the function shown on the graph? A line is graphed on a four quadrant coordinate plane. The xaxis and the yaxis go from negative 10 to 10 in increments of 1. The line passes through (0, 7) and (4, 2). A−56 B−54 C−65 D−45

math
Point A(8,10) is reflected over the yaxis. Write the coordinate of A'. a) (8,10) b) (8,10) c) (8,10) d) (8,10)

math
Which point has the coordinates(0.5, 2.5 )? A.point A B.point B*** C.point C D.point D What are the coordinates of point C? A. (1, 2) B. ( 2,2) C. ( 1.5 ,2)*** D. ( 1.5, 2) Which statement is true about the ordered pair (1.5, 0.5) ? A. The

Calculus
Solve: The posistion of a particle moving along a coordinate line is s=sqrt(5+4t), with s in meters and t in seconds. Find the particle's velocity at t=1 sec. A) 2/3 m/sec B) 4/3 m/sec C) 1/3 m/sec D) 1/6 m/sec Thank you!

physics
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of the arc ABC is 214 m, and the car completes the turn in 40.0 s (Figure shows coordinate plane with point A on y axis point C on

college calculus
1) each side of a square is increasing at a rate of 6cm/s. At what rate is the area of the square is 16 cm^2? 2)the radius of a sphere is increasing at a rate of 4mm/s.How fast is the volume increasing when the diameter is 80mm? 3)A particle moves along

math
Antonio jogs 2 laps every 5 minutes. Which point represents this relationship? On a coordinate plane, a graph titled Antonio's Lap Times has Number of laps on the xaxis and Number of minutes on the yaxis. Point A is (1, 10), point B is (2, 5), point C is

Math
1. A small town is represented on a graph in the coordinate plane. The coordinates of the post office are leftparenthesis 2 comma 3 rightparenthesis. Which other building is in the same quadrant? (1 point) a, bank leftparenthesis negative 3 comma 1

Calculus
Line l is tangent to the graph of y= x  x²/500 at point Q & it crosses the yaxis at (0, 20) a). Find the xcoordinate of point Q b. Write an equation for line l c) Suppose the graph of y=xx^2/500, where x and y are measured in feet, represents a hill.

Physics
A particle leaves the origin with a velocity of 7.2 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (3.0 – 2.0 ˆi ˆj ) m/s2. At the instant the particle moves back across the x axis (y = 0), what is the value

Math
Find all points on the xaxis of a Cartesian coordinate system that are 20 units from the point (0,12) The point (0,12) would just be 12 points up on the y axis, so wouldn't I just count 20 spaces to the left and right so it would be (20, 12) and (20,

Calculus
A point moves along the curve y=(x2)^2 such that the x coordinate is increasing at 2 units per second. At the moment x=1, how fast is its y coordinate changing.

Geometry
1) find the coordinate of the image of point (1,2) translated left 2 units and reflected over the x axis 2) Find the coordinate of the image of the point (2, 4) reflected over the xaxis 3) Determine the midpoint of the segment whose endpoints are A(7,

calc
A particle moves along the curve below. y = sqrt(8 + x^3) As it reaches the point (2, 4), the ycoordinate is increasing at a rate of 5 cm/s. How fast is the xcoordinate of the point changing at that instant?

Geometry
Given the following information, can you find the coordinates of the unknown point? Explain. Two points are 14 units apart. The first point is located at (0,7). (1 point) The unknown point is (12, 0). Substituting into the Pythagorean Theorem gives

math
a point has coordinates(0,3) where is it located in the coordinate plane A)xaxis B)yaxis C)quadrant3 D)quadrant4

geometry help!! answer all questions!! please
1) Write the translation that maps P(4, 2) onto the point P ' (1, 1)? 2) What are the coordinates of the reflection of the point (5,1) over the line y = x? 3) The coordinate notation for reflection over the yaxis is ?. 4) If a translation has a

Calculus
Please check my answers! My teacher never gave us the answer sheet so I have no idea what to study TT (also please give the correct answers to the ones I got wrong ^0^) 1. lim as x> inf. of (9xx^27x^4)/(x^3+12x) 9 7/12 7 DNE

physics
Two point charges, 4.0×106 C and 1.0×106 C, are located on the x axis at = 1.0 cm and = 3.0 cm. (a) Determine the electric field at the origin. (b)Determine the x coordinate of a point on the positive x axis where the electric field is zero; i.e., a

Trig
A railroad tunnel is shaped like a semiellipse as shown below. A semiellipse is shown on the coordinate plane with vertices on the x axis and one point of intersection with the positive y axis. The height of the tunnel at the center is 27 ft and the

Math
1. How can you represent a loss of 24 dollars as an integer? (1 point) –42 –24 +24 2. How can you represent a baby growing 13 inches in a year as an integer? (1 point) –13 0 + +13 3. What is the integer at Point L? (1 point) –5 –4 –3 –2 4.

Calculus
Given f '(x) = (x − 4)(4 − 2x), find the xcoordinate for the relative maximum on the graph of f(x). a) 12 m/sec; 22 m/sec^2 b) 22 m/sec; 18 m/sec^2 c) 22 m/sec; 6 m/sec^2 d) 14 m/sec; 3 m/sec^2

physics
Two point charges are placed along a horizontal axis with the following values and positions: +3 µC at x = 0 cm and  12 µC at x = 35 cm. At what point (the coordinate) along the x axis is the electric field zero? Expess the answer (in cm) with one

physics
A 41.0kg body is moving in the direction of the positive x axis with a speed of 306 m/s when, owing to an internal explosion, it breaks into three pieces. One part, whose mass is 8.0 kg, moves away from the point of explosion with a speed of 326 m/s along

physics, help urgent!
charge Q = +4.5 ƒÝC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 ƒÝC is released from rest at point A on the xaxis at x = 2.0 cm. The small object moves without friction along the

physics
three point particles are fixed in place in an xy plane. Particle A has mass mA = 3 g, particle B has mass 2.00mA, and particle C has mass 3.00mA. A fourth particle D, with mass 4.00mA, is to be placed near the other three particles. What (a) x coordinate

Algebra
Hi, can you please check my answer, this is one week overdue. At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (2,5) and moves 3 steps up and 1 step right. a. Write a rule to describe the

Science
if two waves are traveling at the same speed along the x axis will the one with the longer wavelength have the larger or smaller freq ? explain in terms of the number of wavelengths that pass a given point on the x axis in 1 sec My answer: smaller But how

Physics
A point charge Q1=2µC is located at x=0, and a point charge Q2=8µC is placed at on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,E(x)=E(x)x^ , at various points along the axis. (a)What is E(x)

calc
If a point moves on the hyperbola x^24y^2=36 in such a way that xcoordinate increases at constant rate of 20 units per second. How fast is the y coordinated changing at point (10,4)? please help!!! Differentiating implicitly with respect to t, 2 x dx/dt

Pre Calc
Juliet and Mercutio are mov ing at constant speeds in the xyplane. They start moving at the same time. Juliet starts at the point (0, − 6) and heads in a straight line toward the point (10,5), reaching it in 10 sec onds. Mercutio starts at (9, − 14)

Calculus
A particle moves along the curve y = sqr(1+x^3). As it reaches the point (2,3), the ycoordinate is increasing at a rate of 4cm/s. How fast is the xcoordinate of the point changing at that instant?

Algebraplease help!
Here's my question. Please walk me through it so I can fully understand it. Jon begins jogging at a steady 3 meters/sec down the middle of Lane #1 of a public track. Laaura starts even with him in the center of Lane #2 but moves at 4 meters/sec. At the

Urgent algebra help!
Here's my question. Please walk me through it so I can fully understand it. Jon begins jogging at a steady 3 meters/sec down the middle of Lane #1 of a public track. Laaura starts even with him in the center of Lane #2 but moves at 4 meters/sec. At the

Math
Let A(2,3) be a fixed point. A point P moves such that PA is equal to the distance of P from the yaxis. Find the equation of the locus of P PA2 = (xx1)2 + (yy1)2 +??? = (x2)2 + (y3)2 +??? I tried solving it using the distance formula but I'm still

calculus
A particle moves along the curve y=square sqrt 1+x^3. As it reaches the point (2,3), the ycoordinate is increasing ata a rate of 4cm/s. How fast is the xcoordinate of the point changing at that instant?

Algebrahelp really needed!
I'm having some trouble with my algebra homework. Please walk me through the question completely and give me the answer so I can fully understand it if I would ever need to solve a similar problem. Here's the problem: #1: Jon begins jogging at a steady 3

Math
19. Point A(4, 2) is translated according to the rule (x, y) (x + 1, y – 5) and then reflected across the yaxis. a) In which quadrant of the coordinate plane is point A located? b) What are the coordinates of translated point A’? In which quadrant of

physics help
The magnitude of the velocity of a particle which starts from rest 2 ft below the origin when t = 0 and moves along a vertical axis is directly proportional to the time after starting. The displacement of the particle during the time interval from t = 1

math
a point has coorindate (3,0) where is it located in the coordinate plane? A)xaxis B)yaxis C)quadrant 1 d)quadrant4

Algebra
A line intersects the graph of y= x^2 twice. One point has an x coordinate of 4, and the other point has an xcoordinate of 2. A) Draw a sketch of both graphs, and find the equation of the line. B) Find the measure of the angle that the line makes with

Math
A line intersects the graph of y=x^2 twice. One point has an xcoordinate of 4, and the other point has an x coordinate of 2. A. Find the equation of the line. B. Find the measure of the angle that the line makes with the xaxis.

physics charges. please help!
A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 uC is released from rest at point A on the xaxis at x = 2.0 cm. The small object moves without friction along the

mathematics
The coordinates of point A on a coordinate grid are (−2, −3). Point A is reflected across the yaxis to obtain point B and across the xaxis to obtain point C. What are the coordinates of points B and C? B(2, 3) and, C(−2, −3) B(−2, −3) and

physics
Two spheres are mounted on identical horizontal springs and rest on a frictionless table, as in the drawing. When the spheres are uncharged, the spacing between them is 0.05 m, and the springs are unstrained. When each sphere has a charge of +1.6 £gC, the

physics
A car starts from rest and moves along xaxis with constant acceleration (5m/secondsquare) fr 8 sec. If it then countinues with constant velocity. What distance will the car cover in 12 sec since it started frm rest. plz anybody explain me

Math, Related Rates
Consider the hyperbola y = 1/x and think of it as a slide. A particle slides along the hyperbola so that its xcoordinate is increasing at a rate of f(x) units/sec. If its ycoordinate is decreasing at a constant rate of 1 unit/sec, what is f(x)? I

College Math
2008 (2nd)Course24.1 We are to find a function f(x) such that its derivative is x^2+x1 and the graph of y=f(x) is tangent to the straight line y=x+1. First we find the coordinates of the point at which y=f(x) and y=x+1 are tangent.Since the slope of the

Math
Point R has coordinates baby boy is reflected across the x axis and then translated 5 Points to the right a great Point s create an expression that represents the y coordinate of s

suncrest high school
maths give the coordinate for:point A (3;2) is reflected in the xaxis

math
A point moves along the xaxis, and its xcoordinate after t sec is x = 4t + 16. (Assume that x is in centimeters.) (a) What is the velocity? in cm/sec

Math
1. How can you represent a loss of 24 dollars as an integer? (1 point) –42 –24 1/24 +24 2. How can you represent a baby growing 13 inches in a year as an integer? (1 point) –13 0 +1/13 +13 3. What is the integer at Point L? (1 point) –5 –4 –3

Calculus
A point is moving along the curve xy=12. When the point is at (4,3), the xcoordinate decreases at the rate of 2cm/sec. How fast is the ycoordinate changing at that point?

Math
Let A(2,3) be a fixed point. A point P moves such that PA is equal to the distance of P from the yaxis. Find the equation of the locus of P PA2 = (xx1)^2 + (yy1)^2 +??? = (x2)^2 + (y3)^2 +??? I tried solving it using the distance formula but I'm still

Calculus Reposted
A point is moving along the curve xy=12. When the point is at (4,3), the xcoordinate decreases at the rate of 2cm/sec. How fast is the ycoordinate changing at that point? dy/dx=y/x is my change rate so far, should i substitute the coordinates (x,y) to

Math
In a coordinate plane, Brittany labeled the coordinates for point m as (31/2,2). Sade tells Brittany to reflect point m over the x axis to point r. What are the coordinate of point r?

Matt
plot the point with coordinates (4, 3). Help I'm not really sure what you are asking, but I hope some of this helps: The horizontal line is the x axis. You have to plot 4 on that axis, because 4 is the x coordinate. The vertical line is the y axis. Plot

math
The graph of the equation y = −2x + 3 is shown. Which statement is true about every point on the graph? A. The xcoordinate and the ycoordinate have different signs. B. The ycoordinate is less than the xcoordinate. C. The ycoordinate is double the

calculus (related rates)
A particle moves in the plane along the curve y=xln(x). At what rate is the distance from the origin increasing at the moment its xcoordinate is 2 cm and its xcoordinate is increasing at a rate of 17 cm/sec?

Algebraplease help!
I'm having some trouble with my algebra homework. Please walk me through the question completely and give me the answer so I can fully understand it if I would ever need to solve a similar problem. Here's the problem: #1: Jon begins jogging at a steady 3

calculus
a particle moves along the xaxis (units in cm) its initial position at t=0 sec is x(0)=15. the figure shows the graph of the particle's velocity v(t). the numbers are areas of the enclosed regions. in the graph 0 to a is 4 under the xaxis, a to b is 5

Physics
A point charge Q1=−2 μC is located at x=0, and a point charge Q2=+8 μC is placed at x=−0.5 m on the xaxis of a cartesian coordinate system.The goal of this problem is to determine the electric field, E⃗ (x)=E(x)xˆ, at various points along the

physics
A 1100 kg car collides with a 1500 kg car that was initially at rest at the origin of an xy coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at

Physics
A 1100 kg car collides with a 1500 kg car that was initially at rest at the origin of an xy coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at

physics help
The magnitude of the velocity of a particle which starts from rest 2 ft below the origin when t = 0 and moves along a vertical axis is directly proportional to the time after starting. The displacement of the particle during the time interval from t = 1

mathematics
The coordinates of point A on a coordinate grid are (−2, −3). Point A is reflected across the yaxis to obtain point B and across the xaxis to obtain point C. What are the coordinates of points B and C? B(2, 3) and, C(−2, −3) B(−2, −3) and

Physics
A 1100 kg car collides with a 1400 kg car that was initially at rest at the origin of an xy coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 25 o with respect to the positive x axis. The heavier car moves at

ibnozohr
A point charge Q1=−2 μC is located at x=0, and a point charge Q2=+8 μC is placed at x=−0.5 m on the xaxis of a cartesian coordinate system.The goal of this problem is to determine the electric field, E⃗ (x)=E(x)xˆ, at various points along the

math
a point has coordinates(0,0) where is located in the coordinate plane? A)xaxis B)orgin C)yaxis D)quadrant1

math
a point has coordinates(3,3) where is it located in the coordinate plane? A)xaxis B)yaxis c)quadrant2 d)quadrant3

physics
A 22.0kg body is moving in the direction of the positive x axis with a speed of 359 m/s when, owing to an internal explosion, it breaks into three pieces. One part, whose mass is 6.5 kg, moves away from the point of explosion with a speed of 387 m/s along

Algebra
A line intersects the graph of y= x^2 twice. One point has an x coordinate of 4, and the other point has an xcoordinate of 2. A) Draw a sketch of both graphs, and find the equation of the line. B) Find the measure of the angle that the line makes with

Physics
Please answer i am confused what to plot in y axis and in x axis. I am getting the gradient for this question in negative value.I have done the question many times. Time is taken for 10 oscillations. d/cm T1/SEC T2/SEC T3/SEC T D/T 1 25.0 14.68 14.57 14.81

Physics
Imagine a very large nonconducting plate that has a uniform surface charge density σ =1 μC/m2; it also shows a point charge Q = 3 μC at distance d = 0.3 m from the plate. Both are fixed in place. We choose the origin of an xaxis at Q. At what positive

MathFast Pleasee!
Find the coordinate of the image of the point (3,6) rotated with respect to the xaxis and the yaxis. I plotted the points and came up with (3,6) and (3,6) The choices for the answer is a)(6,3) b) (6,3) c) (3,6) d) (0,6) Was I wrong or what did i

Math
A particle moves along the curve x^2+4=y. The point on the curve at which the y coordinate changes twice as fast as the x coordinate,is

physics
a car starts from rest &moves along x axis with a constant acceleration of 5 m/s2 for 8 sec.if it then continues to move with a constant velocity,what dist will the car cover in 12 sec since it stared.

Engineering
The angular velocity of a rigid body rotating about an axis of rotation is w = 5^i + 2^j  4^k rad. per. sec. Determine the linear velocity of point B on the body with a position vector r = 3^i  ^j + 3^k ft. directed from a point on the axis of rotation.

physics
You are to make four straightline moves over a flat desert floor, starting at the origin of an xy coordinate system and ending at the xy coordinates (148 m, 66 m). The x component and y component of your moves are the following, respectively, in meters:

Physics. Please please help!
A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 uC is released from rest at point A on the xaxis at x = 2.0 cm. The small object moves without friction along the

Calculus
Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2+7 and connect the tangent point to the xaxis. If the tangent point is close to the yaxis, the line segment is long. If the tangent point is far from the

elect and magn
a postive charge of q is located at x=0 and y=a, and a negative charge q is located at the point x=0 and y=+a. A.) derive an expression for the potential V at points on the yaxis as a function of the coordinate y. take V to be zero at an infinite

Phys1402
Object A of charge 5e6 C is located at the origin of a coordinate plane. Object B of charge 3e6 C is located on the xaxis of a coordinate plane at x = 0.002 m. Object C of charge 3e6 C is located on the yaxis of a coordinate plane at y = 0.001 m.

Physics
A point charge Q1=2µC is located at x=0, and a point charge Q2=8µC is placed at on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,E(x)=E(x)x^ , at various points along the axis. (a)What is E(x)

COORDINATE GEOMETRY
A RAY OF LIGHT ORIGINATES FROM A(1,2) AFTER REFLECTION ON XAXIS AT POINT A REFLECTED AT POINT Q(5,3). FIND COORDINATE OF A

Physics
A charged body 5microcoulomb is placed along the Xaxis at the origin of a coordinate system and a charge 3microcoulomb is placed at (2, 0). Calculate the resultant force in magnitude and direction on charge 6microcoulomb placed at (2, 0) on the

calculus
Me again. One last question! Again, just needed my answer verified with any explanation or walkthrough. The position of a particle moving along a coordinate line is s=√(3+6t) with s in meters and t in seconds. find the particle's acceleration at t=1

math
a particle moves along the curve y= sqrt 1+x cubed. As it reaches the point (2,3) the ycorrdinate is increasing at a rate of 4cm/s. How fast is the xcoordinate of the point changing at that instant?

Geometry
Write the translation that maps P(4, 2) onto the point P ' (1, 1)? What are the coordinates of the reflection of the point (5,1) over the line y = x? The coordinate notation for reflection over the yaxis is ?. If a translation has a coordinate

calculus
I need help setting up this problem: A particle moves along the curve y=sqr(1+x^3). As it reaches the point (2,3) the ycordinate is increasing at a rate of 4cm/s. How fast is the xcoordinate of the point changing at that instant. I could only come up

calculus
Can someone tell me how to do this type of problem? A particle moves along the curve y=sqrt(1+x^3). As it reaches the point (2,3) the y coorindate is increasing at a rate os 4cm/s. How fast is the x coordinate of the point changing at that instant?

CALC
point on the hyperbola 9x^2−6y^2=10 closest to the point (0, 7). y coordinate of each point= ? positive x coordinate= ? negative x coordinate= ?

Theory of machine
Fill in the blanks: 1. A disc is spinning with an angular velocity w rad/sec about the axis of pin. The coupled to the causing precession will be ....... 2. The swaying couple is due to the ...... unbalanced force. 3.All pairs are ....... pair in a

coordinate geometry
S is the point (4,0) and M is the foot of the perpendicular drawn From a point to the yaxis.If P moves such that the distance PS and PM remain equal,find the locus of point P

math
Which point is located on the yaxis of a coordinate plane? 6,0 3,2 6,6 0,6

Physics
17. A 5.6 kg toy race car moves along an x axis. The diagram below shows the force acting on the car. (The vertical axis is marked in increments of 2 N.) a) What is the momentum of the car at t = 9.0 s b) What is the car's velocity at t = 9.0 s? The graph

Physics
Electric Field of Two Charges : 15.0 points A point charge is located at x=0, and a point charge is placed at on the axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, , at various points along the axis.

Algebraplease help!
Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them. #2: Let A be (5,9), B be (3,5), and C be (1,1). The median of a triangle connects a vertex of a triangle to the midpoint of the opposite