Sunday

September 14, 2014

September 14, 2014

Number of results: 28,637

**Physics **

In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
*October 1, 2013 by Lola*

**Physics **

In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
*October 1, 2013 by Lola*

**trigonometry**

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35° and to the other is 55°. How far apart are the cars? (Round your ...
*December 2, 2012 by heather*

**physics 2 !!****

A 8 kg crate is placed at rest on an incline plane (s=0.8, k=0.5), whose angle is 60o. It then slides 3 m down the incline. work done by gravity: ?J work done by friction force: ?J Using your results from part a, find the speed of the crate after sliding this distance.
*October 6, 2008 by kelsey*

**trig**

jet stream which is flowing at a rate of 80 miles per hour. It travels with the jet stream for 5 hours and then reduces its altitude, flying out of the jet stream for 4 more hours. The plane, while out of the jet stream, covered 550 miles less than it did during the 5 hours ...
*July 9, 2010 by Anonymous*

**Physics**

%%%%%B--A (inclined at 55 degree) %%%%/|%%/\ %%%/%|%/%%\Pull 3900N %%/%%|/ %D---C %|%%/| %|%/%| %|/%%| %F---E %|%%/| %|%/%| %|/%%| %H---G (All is Pin Joint) Distance DC = FE = HG = AB = 2.7m FH = FD = GE = EC = CB = 2 m Find the supporting reaction of H, Member BD (Tension ...
*June 9, 2012 by ToT_Alex*

**physics**

A pendulum consists of an object of mass m = 1.2 kg swinging on a massless string of length l = 259 cm. The object has a speed of 2.4 m/s when it passes through its lowest point. What is the greatest angle with the vertical that the string makes during the motion of the object...
*November 16, 2009 by m2a*

**geometry**

In triangle FGH, the measure of angle F is 42 degrees and an exterior angle at vertex H has a measure of 104 degrees. What is the measure of angle G?
*February 29, 2012 by Anonymous*

**math**

Matt and Anna are frequent fliers on Fast n Go Airplanes. They often fly between two cities that are a distance of 1680 miles apart. On one particular trip, they flew into the wind and the trip took 4 hours. the return trip with the wind behind them, only took about 3 hours. ...
*May 27, 2008 by aaron*

**Physics**

A at disk of material has the same mass as the Earth, 5.98E+24 kg, and has a radius of 6.25 E+07 m. Point A is located a distance of 5.8E+06 m above the center of the disk. Point B is located right at the center of the disk. Treat all of the mass as if it were located in the x...
*December 31, 2011 by Sarah*

**physics **

an object is shot from the ground at an angle of 35 degrees with a speed of 50m/s. what are the x and y components of its velocity initially at the top of its path and just before it hits the ground?
*September 23, 2012 by waleed *

**physics **

an object is shot from the ground at an angle of 35 degrees with a speed of 50m/s. what are the x and y components of its velocity initially at the top of its path and just before it hits the ground?
*September 23, 2012 by waleed *

**Physics**

1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray make with the surface...
*February 16, 2011 by Ninzy*

**Physics**

1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray make with the surface...
*February 16, 2011 by Ninzy*

**science **

1. An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located? A. 5.0 millimeters B. 7.5 millimeters C. 15 millimeters D. 30 millimeters
*June 16, 2011 by phyllis*

**physics - power(3)**

A force of 48 N pushes a 2 kg object initially at rest a distance of 3m along frictionless horizontally surface. Find: A- The work done on the object. B- The power of the applied force.
*January 16, 2010 by Mota*

**Physics**

A 30-kg uniform ladder 12 m long is leaning against a frictionless wall at an angle of 50 degrees above the horizontal. A 45-kg boy climbs 5.0 m up the ladder. What is the magnitude of the force exerted by the ladder on the wall?
*November 4, 2013 by shaun*

**Physics**

A 5.57-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.25 m/s and its y component of velocity is -3.15 m/s. (a) What is the kinetic energy of the object at this time? (b) At a later time t = 2.00 s, the particle is located at x = 8....
*October 23, 2012 by mike*

**physics**

You are the stunt director for a testosterone-laden action movie. A car drives up a ramp inclined at 10.0° above the horizontal, reaching a speed of 40.0 m/s at the end. It will jump a canyon that is 101 meters wide. The lip of the takeoff ramp is 201 meters above the floor of...
*February 27, 2013 by Anonymous*

**Pre-Calculus follow up question Reiny**

Determine the number of triangles that can be formed with the given information. and if it forms two possible triangles solve all unknown angles and sides Angle A=116 degrees a=10 b=11 but if you add 81.4 (measure of angle B) plus 116 (measure of angle A) you get 197.368 which...
*April 7, 2013 by DW*

**Physics #2**

A car can decelerate at -3.40 m/s2 without skidding when coming to rest on a level road. What would be the magnitude of its deceleration if the road were inclined at 14° uphill? Assume the same static friction coefficient.
*October 11, 2010 by Jason*

**Physics I**

A car can decelerate at -4.40 m/s2 without skidding when coming to rest on a level road. What would be the magnitude of its deceleration if the road were inclined at 12° uphill? Assume the same static friction coefficient.
*May 25, 2011 by Jason*

**physics**

A man pushes on a piano with mass 200 {\rm kg} so that it slides at constant velocity down a ramp that is inclined at 10.5^\circ above the horizontal floor. Neglect any friction acting on the piano.
*February 23, 2012 by lkn*

**physics**

A patialy moves along half the circumference of a circle of 1 meter radius. Calculate the work done if the force at any point inclined at 60o to the tangent at that point has 5 New tones magnitude
*July 10, 2012 by sunil*

**physics**

questions( there are 3 so I will # 1-3) info: A 18.9 kg object is attached to a cord that is wrapped around a wheel of radius 10.7 cm. The acceleration of the object down the frictionless incline is measured to be .9 m/s2. Assume the axle of the wheel to be frictionless. The ...
*March 24, 2008 by Ty*

**MATH**

Matt and Anna are frequent fliers on Fast n Go Airplanes. They often fly between two cities that are a distance of 1680 miles apart. On one particular trip, they flew into the wind and the trip took 4 hours. the return trip with the wind behind them, only took about 3 hours. ...
*May 27, 2008 by AARON*

**Physics**

When light of a certain wavelength is incident normally on a certain diffraction grating the line of order 1 is at a diffraction angle of 25 degrees. The diffraction angle of the second order line is : a) 25 b) 42 c) 50 d) 58 e) 75 I am not sure how to do this problem since it...
*May 8, 2007 by Susan*

**physics**

A sled with mass 20 kg is given a shove up a frictionless incline which makes an angle of 28 degrees with the horizontal. eventually the sled comes to rest at height of 1.35 m above where it started. a)calculate its initial speed. b)find the work done by the weight of the sled.
*June 13, 2011 by unknown*

**PreCalculus**

Problem: Identify the conic from the equation 13x^2-6(sq.rt.6)xy+7y^2-16=0 I have to choose from the following four answers: hyperbola (angle of rotation 45) hyperbla (angle of rotation 60) ellipse (angle of rotation 90) ellipse (angle of rotation 30) I used the discriminant...
*March 30, 2009 by Joanie*

**Physics**

Our teacher gave us a scenario we have to prepare to solve for a lab tomorrow: He has one of those toy flying airplanes suspended from the ceiling on a string of some length. He is going to charge it and start it spinning, and we have to figure out how long it takes for the ...
*March 11, 2008 by Lauren*

**Math**

Two surveyors are on opposites sides of a swamp. To find the distance between them, one surveyor locates a point T that is 200 meters from her location at pont p. The angle of sight from T to the other surveyor's position, R, measure 72 degrees for angle RPT and 63 degrees for...
*May 17, 2008 by Tareena*

**Math**

Two surveyors are on opposites sides of a swamp. To find the distance between them, one surveyor locates a point T that is 200 meters from her location at pont p. The angle of sight from T to the other surveyor's position, R, measure 72 degrees for angle RPT and 63 degrees for...
*May 17, 2008 by Tareena*

**Physics repost**

Neutral metal sphere A, of mass 0.10kg, hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge -q is brought into contact with sphere A. Sphere A goes 12 degrees away from Sphere B and there is a 90 degree angle at Sphere B between A and the hook of ...
*April 21, 2008 by Alex*

**Physics**

B___A (inclined at 55 degree) /| /\ / | / \ Pull 3900N / |/ D---C | /| | / | |/ | F---E | /| | / | |/ | H---G (All is Pin Joint) Distance DC = FE = HG = AB = 2.7m FH = FD = GE = EC = CB = 2 m Find the supporting reaction of H, Member BD (Tension Force), Member CE, and Member CF?
*June 7, 2012 by Stupid Alex*

**pysics**

a .15 kg ball is placed in a shallow wedge with an opening angle of 120 degrees. for each contatct point between the wedge and the ball, determine the force exerted on the ball. assume the system is frictionless.
*November 3, 2010 by stephanie*

**physics**

At the instant the displacement of a 2.00 kg object relative to the origin is d = (2.00 m) + (4.00 m) - (3.00 m) , its velocity is v = - (5.50 m/s) + (2.90 m/s) + (3.20 m/s) , and it is subject to a force F = (5.70 N) - (7.80 N) + (3.80 N) . (a) Find the acceleration of the ...
*January 5, 2011 by Joey*

**Physics**

A 2.4 kg object attached to a horizontal string moves with constant speed in a circle of radius R on a frictionless horizontal surface. The kinetic energy of the object is 95 J and the tension in the string is 315 N. Find R.
*October 4, 2011 by Allie*

**physics**

A square loop of wire of side 2.8 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 43° with the plane of the loop. (a) What is the magnitude of the torque on the loop? (b) What is the net magnetic force on the loop?
*May 13, 2014 by caroline*

**chemistry**

Which of the following combinations of atomic orbitals can combine to form sigma bonds? s-ss-pp-phybrid orbital - hybrid orbitalhybrid orbital - shybrid orbital - p What is the bond angle (in degrees) resulting from sp hybridization? What is the bond angle (in degrees) ...
*March 12, 2013 by adex*

**math**

Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle G measures 49 degrees. Find the measure of angle H
*August 20, 2012 by james*

**English**

1. I'm excited because I get on the airplane for the first time. 2. This is my first trip abroad, so I am very excited. 3. I got off the airplane at the airport. 4. I waved on the laddle to the airplane. 5. I was excited because I could go abroad for the first time in my life ...
*June 7, 2009 by John*

**algebra.**

problems about angles: Hi. I needed help on some problems for the math section that we are doing in class. I am trying out some problems in my math book, but they prove quite difficult. 1. In a certain parallelogram, if the measure of one angle is 30 degrees more than the ...
*November 15, 2007 by jason*

**Northwest H.S**

Physics: A car is parked on an icy hill inclined at 10°, when it begins to slide. What is the car's speed at the bottom of the 155-m hill?:
*October 16, 2012 by Jimmy*

**physics**

motorcycle and 66.0 kg rider accelerate at 2.0 m/s2 up a ramp inclined 5.0° above the horizontal. What are the magnitude of the force on the rider from the motorcycle?
*October 9, 2010 by joe*

**physics**

A car is traveling around a circular banked road without friction which is inclined at 72 degrees which has a vertical height of 25 meters. When the car is traveling at 16 m/s around the road, it is moving at the bottom on the incline (inner radius of the road when viewed from...
*October 31, 2013 by jack*

**physics**

Two infinitely-long lines of charge run parallel to the z axis. One has positive unifonn charge per unit length, IvO, and goes through the x y plane at x=O, y=s/2. The other has negative unifonn charge per unit length, -A, and goes through x=O, y=-s/2. Nothing changes with the...
*October 20, 2008 by Eric*

**Geometry**

if angle 1= 4x+10 and angle 7= 6x+4 what are the measures of angles 1 and 7, when we know that angle 3= 52 degrees? Angle 1= 10.5 Angle 2= 128 Angle 3= 52 Angle 4= 128 Angle 5= 10.5 Angle 6= 128 Angle 7= 20.6 Are all these angles right?
*January 22, 2010 by Rmz*

**math**

the angle of elevation from point on the ground to the top of a pyramid is 20 degrees 20 degrees the angle elevation from a point 189 feet farther back to the top of the pyramid is 10 degrees 20 degrees. find the height of the pyramid
*April 6, 2013 by Anonymous*

**math**

the angle of elevation from point on the ground to the top of a pyramid is 20 degrees 20 degrees the angle elevation from a point 189 feet farther back to the top of the pyramid is 10 degrees 20 degrees. find the height of the pyramid
*April 6, 2013 by Anonymous*

**math, trigonometric functions**

a seesaw consists of a plank 4.5m long which is supported by a pivot at its center and moves in a vertical plane above the pivot. if the height of the pivot pillar above the ground is 1m, through what maximum angle can the seesaw beam move?
*February 18, 2013 by audrey anne*

**Math**

A golfer stands 420ft(140 yd) horizontally from the hole and 50ft above the hole. Assuming the ball is hit with an initial speed of 120ft/s, at what angle should it be hit to land in the hole? Assume the path of the ball lies in a plane.
*March 6, 2014 by Jane*

**physics**

An airplane is flying with a velocity of 95.0 at an angle of 26.0 above the horizontal. When the plane is a distance 113 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog will the suitcase land? You can...
*February 1, 2013 by Supriya*

**Math**

Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.
*November 28, 2010 by Suzy*

**Math**

Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.
*November 28, 2010 by Freaky*

**physics**

A block slides down a frictionless ramp. If the ramp angle is 22 degrees and the length of it is 25m. find the speed of the block as it reaches the end of the ramp, assuming it started sliding from rest at the top.
*December 9, 2010 by rosie*

**Physics**

A force of 15 N is applied at an angle of 30 degrees with the horizontal on a 0.75 block at rest on a frictionless surface. a. What is the magnitude of the resulting acceleration of the block? b. What is the magnitude of the normal force?
*December 4, 2011 by Tomomi*

**physics**

a straight road is inclined 30 degees to the horizontal and a man is walking along the road at the rate of 2 and a half miles an hour. how many feet does he ascend vertically against the force of gravity in 15 minutes?
*December 6, 2011 by Anonymous*

**Algebra 1--Please, help me!**

A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d. -x - 2y = 8 My answer: d?
*June 9, 2014 by Victoria*

**Physics **

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in reverse thrust mode. The ...
*November 2, 2013 by Phy*

**Physics**

A 5.00-kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00-kg object. Draw free-body diagrams of both objects. Find the acceleration of the two objects and the tension in the string.
*March 24, 2010 by Brandon*

**physics**

A 5.00-kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00-kg object. Draw free-body diagrams of both objects. Find the acceleration of the two objects and the tension in the string.
*March 25, 2010 by Brandon*

**Please help Physics!!!**

Two infinitely-long lines of charge run parallel to the z axis. One has positive unifonn charge per unit length, IvO, and goes through the x y plane at x=O, y=s/2. The other has negative unifonn charge per unit length, -A, and goes through x=O, y=-s/2. Nothing changes with the...
*October 20, 2008 by Jorge Wero*

**physics **

a playground slide is a place inclined at 48 to the horizontal. a child of mass 25 kg slides down the slide for 4m. calculate the potential energy lost by the child
*November 30, 2012 by blah *

**Math**

A ramp has a height of 3 feet and a base of 12 feet. Which of the following best represents the angle of elevation? A. 14 degrees B. 16 Degrees C. 18 Degrees D. 20 Degrees
*April 18, 2014 by Judi*

**physics**

A 4.10 kg object on a horizontal frictionless surface is attached to a spring with spring constant 840 N/m. The object is displaced from equilibrium 50.0 cm horizontally (in the + direction) and given an initial velocity of 9.9 m/s back toward the equilibrium point at t=0 s
*September 7, 2013 by Anonymous*

**Algebra 2**

A commercial freight carrier is flying at a constant speed of 400 mi/h and is traveling 4 miles east for every 3 miles north. A private plane is observed to be 210 miles east of the commercial carrier, traveling 12 miles north for every 5 miles west. a. If it is known that the...
*September 28, 2009 by newt*

**math**

Find the Magnitude and direction of the resultant force. three forces with magnitude of 50,20, and 40 points acting on an object at angle 60 degres, 30 degrees, and -90degrees,k respectevly with the positive x-axis.
*May 11, 2010 by Nancy*

**Physics**

A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 {kg}, and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2100N . The tension in the ...
*March 12, 2013 by Gareth*

**physics**

The position vector r of a particle moving in the xy plane is r=2ti+2sin[(pi/4)t]j , with is in meters and t in seconds. (a) Calculate the x and y components of the particle's position at , and 4.0 s and sketch the particle's path in the plane for the interval . (b) Calculate ...
*March 10, 2013 by Anonymous*

**Precalculus**

1. A man stands 12 feet from a statue. The angle of elevation from the eye level to the top of the statue is 30 degrees, and the angle of depression to the base of the statue is 15. How tall in the statue? 2. Two boats lie on a straight line with the base of a lighthouse. From...
*March 2, 2009 by Mz. Suzie*

**Algebra 116**

1. The perimeter of a rectangle is 126 m. The length is 6 m more than twice the width. Find the dimension. a. What is the length ____ m? b. What is the width ____ m? 2. Two angles are complementary. The sum of the measure of the first angle and half of the second angle is 72 ...
*September 24, 2008 by MzMaria*

**physics**

An airplane is flying with a velocity of 86.0 m/s at an angle of 20.0^\circ above the horizontal. When the plane is a distance 119 m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.How far from the dog will the suitcase ...
*September 12, 2011 by Anonymous*

**physics**

A uniform disk of radius 0.48 m is mounted on a frictionless, horizontal axis. A light cord wrapped around the disk supports a 1.4 kg object, as shown. When released from rest the object falls with a downward acceleration of 3.6 m/s^2. What is the moment of inertia of the disk?
*November 27, 2012 by Jared*

**Trigonometry**

Hi! The question is really confusing to me. I can't sketch/visualize the problem. :( From a given position an observer notes that the angle of elevation of a rock is 47 degrees. After walking 1000 feet towards the rock, up a slope of 32 degrees, he finds the angle of elevation...
*August 2, 2014 by Xiumin*

**geometry**

"An angle has a measure three times that of its complement. What is the measure of the angle?" Complementary angles add up to 90 degrees. If x is the complement and 3x is the angle, and you added them to have 4x, then you'd have 4x=90, right? That would then mean x=22.5 and 3x...
*January 27, 2008 by Bee*

**college physics**

The 665 N weight held by two cables. The left-hand cable had tension T2 and makes an angle of 43 degrees with the ceiling. The right-hand cable had tention t1 and makes an angle of 48 degrees with the ceiling. What is the tension in the cable labeled t1 slanted at an angle of ...
*October 10, 2010 by Deb*

**Re: Physics**

Posted by COFFEE on Friday, March 30, 2007 at 4:25am. A 1.1 kg particle-like object moves in a plane with velocity components Vx = 30 m/s and Vy = 90 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular momentum relative to the ...
*March 31, 2007 by COFFEE*

**managerial economics**

In 1991 the Air Force awarded a $93 billion or more contract to a group led by Lockheed, Boeing, and General Dynamics to build the new fighter plane for the 21st century, the YF-22 Lighning 2. A group headed by Northrop and McDonnell Douglas, which had spent more than $1 ...
*August 8, 2010 by tina*

**Physics**

A block of mass 2.00kg starts at rest at the top of a ramp that is inclined delta= 40.0 degrees with the horizontal. The block slides down the ramp a distance of 3.60 meters where it contacts a relaxed spring with K=300N/m. If the coefficient of kinetic friction between the ...
*October 19, 2011 by Daniel*

**Physics**

A train moving at a constant speed on a surface inclined upward at 10.0° with the horizontal travels a distance of 400 meters in 5 seconds. Calculate the vertical velocity component of the train during this time period.
*February 22, 2012 by Lauren01*

**Angular Momentum**

2.0 kg particle-like object moves in a plane with velocity components vx = 30 m/s and vy = 35 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular momentum relative to the origin at this moment? kg·m2/s k (b) What is its angular...
*November 9, 2010 by Xavier Hernandez*

**algebra**

A plane that carries mail makes a round trip each day from Chicago to New York. It makes 3 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with time on the ...
*November 28, 2010 by kara*

**physics 1**

a 5.00kg object placed on a frictionless horizontal table is connected to a string tat passes over a pulley and then is fastened to a hanging 9.00kg object.Find the acceleration of the two objects and the tension in the string.
*August 3, 2011 by Ian*

**geometry**

In Parallelogram ABCD, angle A=53 degrees. What is angle C? (Angle C is diagonal from angle A.)
*December 12, 2012 by BaileyBubble*

**Physics**

A straight path is inclined at an angle of 15 degree to the horizontal. A loaded skip of total mass 1500 kg is at rest on the path and is attached to a wall at the top of the path by a rope. The rope is taut and parallel to a line of greatest slope of the path, as shown in the...
*February 19, 2013 by Josep*

**Algebra: 8th Grade; Equation Check**

1) A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a jet leaves at the same airport and flies due south at 960 km/h. When will the jet overtake the plane? t = time Equation: 192(t+3) = 960 2)An airplane flew for 4 hours with a 20-km/h tail...
*March 7, 2009 by Meaghan*

**math**

Find the measure of angle DBC if the measure of angle ABD is 36 degrees and the measure of angle ABC is 74 degrees.
*June 28, 2010 by liz*

**Math-Geometry**

B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the measure of angle DOA. (...
*October 10, 2007 by Nikki*

**English**

Can you please check the following sentences? I just want to make sure that the tense choice is correct. 1.Enter the airport and look at the departures board to check your flight number and the departure time of your flight. 2.Go to the check-in desk to weigh your luggage. ...
*September 29, 2011 by Henry2*

**English**

Here is the second part of my summary. Can you please check if everything is OK now? By the way, do you say "On which carriage or in which carriage is your seat?" Which bus number goes to the city centre OR Which number bus goes ....? 1) Go into the departures lounge where you...
*October 3, 2011 by Henry2*

**Physics**

A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.77 m. With the string hanging vertically, the object is given an initial velocity of 1.8 m/s parallel to the ground and swings upward in a ...
*October 9, 2012 by StressedStudent*

**Physics**

A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.88 m. With the string hanging vertically, the object is given an initial velocity of 1.7 m/s parallel to the ground and swings upward on a ...
*October 9, 2012 by Sam*

**Physics**

A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.88 m. With the string hanging vertically, the object is given an initial velocity of 1.7 m/s parallel to the ground and swings upward on a ...
*October 9, 2012 by Ben*

**PHYSICS HELP PLEASE !!!!!**

A 21 kg object is placed on an incline with friction. The incline is raised slowly from zero degrees and at 60.71 degrees, the object begins to slide down the incline. What is the coefficient of static friction? Be as accurate as possible with your answer and be sure to enter ...
*October 25, 2011 by Amanda *

**PHYSICS HELP PLEASE !!!!!**

A 21 kg object is placed on an incline with friction. The incline is raised slowly from zero degrees and at 60.71 degrees, the object begins to slide down the incline. What is the coefficient of static friction? Be as accurate as possible with your answer and be sure to enter ...
*October 25, 2011 by Amanda *

**Math**

There's a right triangle. There's an angle that measures 41 degrees. The hypotenuse is x, and the angle opposite 41 degrees measures 25 in length. How can I find what x is? The proportion set up is 25/x, but how do you solve for x?
*May 11, 2009 by Angie*

**math 115**

find the missing angle it is a traingle and the one bottom corner is 75 degrees ane the corner is 73 degrees what is the top angle degre
*October 4, 2009 by new one*

**AP Physics**

Light passes from air into water at an angle of incidence of 33.5.degrees Find the angle of refraction in the water. Answer in units of degrees
*September 25, 2011 by Melvin*

**geometry**

The longer diagonal of a parallelogram measures 62 cm and makes an angle of 30 degrees with the base. Find the area of the parallelogram if the diagonals intersect at angle of 70 degrees.
*May 5, 2013 by Katreena*

**Physics -- check answer please**

Light travelling in water is incident on air refracts at an angle of 27 degrees. What is the angle of incidence? my answer: 37 degrees
*July 29, 2014 by Liz*

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