
math
This is the problem given: The side of a hill faces due south and is inclined to the horizontal at an angle alpha. A straight railway upon it is inclined at an angle beta to the horizontal. If the bearing of the railway is gamma east of north, show that
asked by Jessica on July 5, 2011 
Physics
A 1800kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 28 m/s. Going up a hill, the car's engine produces 52 hp more power to sustain the constant velocity than it
asked by Darren on October 15, 2012 
Physics
A 1600kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 32 m/s. Going up a hill, the car's engine produces 54 hp more power to sustain the constant velocity than it
asked by Sam on October 15, 2012 
Please Please HelpPhysics
I am having trouble figuring out this question: Part 1: A long staight wire carries a current due East. This wire creates, at point #1, a magnetic field that is derected at 40 deg below due South. From point #1, the wire is located: 50 deg below due North
asked by Sonia on March 16, 2011 
Physics
The figure below shows a box of dirty money (mass m1 = 4.0 kg) on a frictionless plane inclined at angle θ1 = 35°. The box is connected via a cord of negligible mass to a box of laundered money (mass m2 = 2.0 kg) on a frictionless plane inclined at angle
asked by Joy on February 27, 2018 
physic
The figure below shows a box of dirty money (mass m1 = 4.0 kg) on a frictionless plane inclined at angle θ1 = 35°. The box is connected via a cord of negligible mass to a box of laundered money (mass m2 = 2.0 kg) on a frictionless plane inclined at angle
asked by joy on February 27, 2018 
Physics
I am having trouble figuring out this question: Part 1: A long staight wire carries a current due East. This wire creates, at point #1, a magnetic field that is derected at 40 deg below due South. From point #1, the wire is located: 50 deg below due North
asked by Sonia on March 16, 2011 
Phys 2
I am having trouble figuring out this question: Part 1: A long staight wire carries a current due East. This wire creates, at point #1, a magnetic field that is derected at 40 deg below due South. From point #1, the wire is located: 50 deg below due North
asked by Sonia on March 16, 2011 
Physics
A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 85.0 kg, and the hill is inclined at 19.0° with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist climbs
asked by Lauren on February 3, 2011 
Physics
A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 55.0 kg, and the hill is inclined at 16.0° with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist climbs
asked by Kelsey on October 25, 2011 
Math
Solve the problem. Round to the nearest tenth, if necessary. A longdistance runner runs 5 miles directly south and then faces due east and runs another 7 miles. How far is the runner, in a straight line, from his starting point?
asked by Missy on September 15, 2010 
physics
A 989 kg automobile is moving at 15.6 m/s at a height of 5.0 m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side until it comes to rest. Ignoring frictional forces and air
asked by Steve on July 20, 2011 
applilcations of trigonometry
A surveyor wants to find the height of the top of a hill. He observes that the angles of elevation of the top of the hill at points C and D, 300m apart, lying on the base of the hill and on the same side of the hill are 30° and 45° respectively What is
asked by satishkumar on December 10, 2015 
Physics
A child insists on going sledding on a barely snowcovered hill. The child starts from rest at the top of the 60 m long hill which is inclined at an angle of 30o to the horizontal, and arrives at the bottom 8.0 s later. What is the coefficient of kinetic
asked by Mary on February 11, 2012 
trig
Observers at P and Q are located on the side of a hill that is inclined 32° to the horizontal, as shown. The observer at P determines the angle of elevation to a hotair balloon to be 56°. At the same instant the observer at Q measures the angle of
asked by e on December 5, 2019 
physics
A 40.0 kg wagon is towed up a hill inclined at 17.9° with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 140 N. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. How fast is
asked by luc on October 10, 2009 
physics
A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 140 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard
asked by Corey on December 5, 2010 
physics
A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 140 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard
asked by Corey on December 5, 2010 
math
A hill is inclined at 18 degrees to the horizontal. If the base of the hill is at sea level, find my height above sea level if i walk 1.2 km up the hill
asked by james on January 25, 2010 
Physics
A 40.7kg wagon is towed up a hill inclined at 18.1 degrees with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 139N in it. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. The
asked by Ethan on February 15, 2012 
physics 12U
A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of the car at the bottom of
asked by emma on February 21, 2016 
Physics
Two blocks at rest on a frictionless inclined surface with mass of 3kg on a side inclined at 42° to the horizontal and mass 4.8kg a side inclined at 30° to the horizonal. if the two bodies are attached together by an extensible string passed through a
asked by Dami on January 11, 2017 
physics
A 35.2 kg wagon is towed up a hill inclined at 18.3◦ with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 125 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard
asked by Anonymous on October 27, 2014 
Physics
A jogger travels a route that has two parts. The first is a displacement A of magnitude 2.70 km due south, and the second involves a displacement B that points due east. What is the direction of A + B relative to due south? ° What would be the direction
asked by yoyoma on August 18, 2010 
Calculating distance(law of cosines)
Observers P and Q are located on the side of a hill that is inclined 32 degrees to the horizontal as shown(picture given). The observer at P determines the angle of elevation to a hot air balloon to be 62 degrees. At the same instant the observer at Q
asked by Jen on March 27, 2007 
math
A tower 125 feet high stands on the side of a hill. At a point 240 feet from the foot of the tower measured straight down the hill, the tower subtends an angle of 25 degrees. What angle does the side of the hill make with the horizontal?
asked by math help on January 3, 2014 
math
A tower 125 feet high stands on the side of a hill. At a point 240 feet from the foot of the tower measured straight down the hill, the tower subtends an angle of 25 degrees. What angle does the side of the hill make with the horizontal?
asked by math help on January 3, 2014 
math
A tower 125 feet high stands on the side of a hill. At a point 240 feet from the foot of the tower measured straight down the hill, the tower subtends an angle of 25 degrees. What angle does the side of the hill make with the horizontal?
asked by math help on January 3, 2014 
physics
You have an inclined plane. It is 2m long and 1m high. A cylinder of mass 300 grams and 3cm radius is initially at rest at the top of the hill. What is its angular velocity when it reaches the bottom of the hill?
asked by Lakeshia on April 6, 2011 
math
what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.
asked by trey on March 16, 2012 
physics circular arc
A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 68.0 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with the road.
asked by Gina on February 15, 2011 
physics
A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 35.5 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with the road.
asked by Gloria on October 2, 2011 
physics
A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 43.0 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with the road.
asked by vik on October 22, 2014 
physics
Marks: 5 A hill that has a 15 % grade is one that rises 15.0 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by paul on September 20, 2013 
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 155m hill?:
asked by Jimmy on October 16, 2012 
physics
A hill that has a 17.5% grade is one that rises 17.5 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by Taylor on August 15, 2011 
physics l
A hill that has a 15 % grade is one that rises 15.0 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by paul on September 20, 2013 
Physics
A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by Alex on August 27, 2012 
physics
hill that has a 37.7 % grade is one that rises 37.7 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by natalie on August 21, 2014 
Physics
A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by Alex on August 27, 2012 
MathVolume and Surface Area
The volume of a cube is 125 cubic inches. Find the surface area. I know that the volume formula is V=Bh where v=volume, B=area of the base, and h=height. How do I get the surface area though? Also, The surface area of a cube is 384 square cm. Find the
asked by Emily on April 24, 2007 
Physics
You and your friend are sledding on two sides of a triangleshaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want to climb up the hill, so you tell your friend
asked by Average on June 7, 2015 
Physics
You and your friend are sledding on two sides of a triangleshaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want to climb up the hill, so you tell your friend
asked by Nguyen Ha on June 7, 2015 
physics
You and your friend are sledding on two sides of a triangleshaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want to climb up the hill, so you tell your friend
asked by Anonymous on September 15, 2011 
Science
Two buses are stopped sidebyside at a stoplight near the top of a hill. Bus A has a larger mass than Bus B because more people are riding on it. When the light turns green, both buses begin moving down the hill. How is energy being changed from one form
asked by Anonymos on September 19, 2018 
Math
A ski resort is installing tows on its new ski runs. The baby hill has a vertical height of 500.0 m and is inclined at 42o. Determine the appropriate length of the Tbar cable if it goes to the top of the hill and returns.
asked by Kate on July 19, 2011 
Physics
A woman on a bicycle traveling at 10m/s on a horizontal road stops pedaling as she starts up a hill inclined at an angle of 10° to the horizontal. How far up the hill does she travel before coming to rest? I really don't understand this question. Please
asked by Rose on November 19, 2014 
Physics
A jogger travels a route that has two parts. The first is a displacement of 2.90 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 4.25 km. (a) What is the magnitude of , and what is
asked by RW on August 25, 2013 
Physics
A jogger travels a route that has two parts. The first is a displacement of 2.20 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 4.10 km. (a) What is the magnitude of , and what is
asked by Alister on January 28, 2014 
physics
A jogger travels a route that has two parts. The first is a displacement of 2.15 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 3.95 km. (a) What is the magnitude of , and what is
asked by timmmothy on January 27, 2014 
physics
A particle is acted upon a body by the following forces: 55N Towards East,45N inclined at(E 80 Degrees Towards North East),50N Towards North East, 60N inclined at (E 20 Degrees towards South of West),40N Towards South. Determine the magnitude and direction
asked by justine on October 2, 2018 
physics
a skier decides to ski down a hill inclined at 12 degrees to the horizontal. He pushes on his poles and starts to slide down the slope. If his initial speed after he stops pushing is 4.7 m/s and us= 0.28, how far will mr.grewal slide down the hill before
asked by Tom on April 6, 2015 
Geometry (answer please)
1. A vertical pole 24ft. high is to be braced securely by four wires attached 8ft. from the top. If the wires are fastened to stake in the level ground at the vertices of square with its center at the foot of the pole and sides 20ft. What should be the
asked by Nanny on May 2, 2016 
math
faces of alarge cube are painted 864 are painted on one face what is the length edge of large cube how many are unpainted how many are painted on two faces and three faces See my response to your previous question. Use that information for this problem. I
asked by margaret on January 21, 2007 
Physics
In this problem, use g = 9.80 m/s2. Bizarro, located at Six Flags New England, in Agawam, MA, is the name of one of the toprated roller coasters in the country. The first drop on the roller coaster brings you down 67 meters. There are some resistive
asked by Jeanne on October 30, 2011 
PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #8: A 20 kg block of ice slides without friction down a
asked by Anna on March 7, 2013 
Physics
A small child is learning to ride a bike for the first time. Her dad decides it would be a good idea to start her on a small hill. The hill is inclined at 3.00° to the horizontal. The child starts partway down the hill, 7.00 m away from her dad, who stays
asked by AnotherDude on October 20, 2019 
Physics
A small child is learning to ride a bike for the first time. Her dad decides it would be a good idea to start her on a small hill. The hill is inclined at 3.30° to the horizontal. The child starts partway down the hill, 9.00 m away from her dad, who stays
asked by Mathew on September 21, 2016 
Science
Which of the following is true about the magnetic field diagram below. Its shows 3 Arrows on top pointing to B A B 3 Arrows on bottom pointing to B A A is the south pole and B is the north pole B A is the north pole and B is the south pole C A and B are
asked by BUBBLES on February 19, 2015 
Science 3rd request plzzz
Which of the following is true about the magnetic field diagram below. Its shows 3 Arrows on top pointing to B A B 3 Arrows on bottom pointing to B A A is the south pole and B is the north pole B A is the north pole and B is the south pole C A and B are
asked by BUBBLES on February 19, 2015 
Science
Which of the following is true about the magnetic field diagram below. Its shows 3 Arrows on top pointing to B A B 3 Arrows on bottom pointing to B A A is the south pole and B is the north pole B A is the north pole and B is the south pole C A and B are
asked by BUBBLES on February 19, 2015 
Physics
A 2 kg ball is rolled down a hill 25 m tall. When it reaches the bottom of the hill it is traveling at 15.1 m/s. How much energy was dissipated due to friction?
asked by Tyler on March 4, 2014 
Physics
a cross country runner runs 3km due east, 5km due south and 8km south west. what is the runners final displacement?
asked by Tap on July 3, 2012 
Physics
A 4900kg cable car goes 350m up a hill inclined 14∘ above the horizontal. What can your learn about the work done by the cable to move car up the hill? Answer quantitatively. Ignore friction.
asked by Anonymous on February 26, 2015 
Physics
A kid slides down an icy (frictionless) hill starting from res. At the top his gravitational potential energy is 500J. Suppose after reaching the bottom he then continues sliding up another icy slope on the other side of the valley. Whenhe finally comes to
asked by Tarissa on July 29, 2011 
Physics
PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!! a cross country runner runs 3km due east, 5km due south and 8km south west. what is the runners final displacement?
asked by Tap on July 3, 2012 
phys1
A 528 kg automobile is moving at 20.4 m/s at a height of 5.0 m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side until it comes to rest. Ignoring frictional forces and air
asked by opp on February 26, 2012 
Physics
PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!! a cross country runner runs 3km due east, 5km due south and 8km south west. what is the runners final displacement and what direction?
asked by Tap on July 6, 2012 
physics
A ski jumper starts with a horizontal takeoff velocity of 25m/s and lands on a straight landing hill inclined at 30 0 . Determine (a) the time between takeoff and landin. (b) The length 'd' of the jump. (c) The maximum vertical distance between the
asked by Anonymous on April 16, 2015 
geometry
The areas of corresponding faces of two similar triangular prisms are 49cm squared and 25cm squared. What is the ratio of the corresponding side lengths? Of the perimeters of the corresponding faces? Of the volume?
asked by Kasie on April 19, 2014 
Physics
One afternoon, a couple walks fivesixths of the way around a circular lake, the radius of which is 1.45 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel? (b) What are the magnitude and
asked by Krystal on September 6, 2011 
ap physics
A 52kg skier starts at rest and slides 30m down a hill inclined at 12 degrees relative to the horizontal. List five quantities thatbdescribe the motion of the skier and solve for of them( aleast one of them should be be a kinematic quantity). I know these
asked by debora on October 9, 2014 
physics
a 200 kg block was moved along an inclined plane to a height of 10m. during this process 3000J of energy was lost due to friction. a. calculate the efficiency of the inclined plane. b. what would the efficiency of the simple machine be if the incline were
asked by april on January 31, 2009 
Algebra II
A hill is inclined 15 degrees to the horizontal. A 40foot pole stands at the top of the hill. How long a rope will it take to reach from the top of the pole to a point 68 feet downhill from the base of the pole?
asked by Lyndsie on May 17, 2010 
Algebra II
A hill is inclined 15 degrees to the horizontal. A 40foot pole stands at the top of the hill. How long a rope will it take to reach from the top of the pole to a point 68 feet downhill from the base of the pole?
asked by Lyndsie on May 17, 2010 
physics
Calculate the resultant force when four forces of 30N due east 20N due north 50N due West and 40N due south are acted upon a body
asked by Suraj on September 18, 2016 
Physics
A projectile, fired with unknown initial velocity, lands 18.4 s later on the side of a hill, 2740 m away horizontally and 469 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its
asked by Anonymous on December 3, 2014 
Physics
A projectile, fired with unknown initial velocity, lands 18.4 s later on the side of a hill, 2740 m away horizontally and 469 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its
asked by Anonymous on December 3, 2014 
Physics
A projectile, fired with unknown initial velocity, lands 20.8 s later on the side of a hill, 2900 m away horizontally and 411 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its
asked by Anonymous on September 4, 2012 
math
Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the crosssection of the slope of one side of the hill is y=4x12 If the path of the
asked by Alex on January 26, 2015 
math
Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the crosssection of the slope of one side of the hill is y=4x12 If the path of the
asked by Alex on January 22, 2015 
math
Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the crosssection of the slope of one side of the hill is y=4x12 If the path of the
asked by Alex on January 26, 2015 
Calculus 3
Vectors The thrust of an airplane's engine produces a speed of 400 mph in still air. The wind velocity is given by . In what direction should the plane travel to fly due south? Give your answer as an angle from due south.
asked by Anonymous on May 11, 2011 
physics
skateboards on a hill time speed kinetic energy and work starting from rest angel and Brittany skateboard down a hill as shown. angel rides down the steep side while britney rides down the shallow side. Angel has more mass than Britney. assume that
asked by xiara on March 9, 2014 
Physics
One afternoon, a couple walks threefourth of the way around a circular lake, the radius of which is 1.45km. They start at the south side of the lake and head due east at the beginning of their walk. (a) What is the distance they travel? (b) What are the
asked by Marene on November 6, 2016 
physics
Some sliding rocks approach the base of a hill with a speed of 18.0 . The hill rises at 41.0 above the horizontal and has coefficients of kinetic and static friction of 0.420 and 0.570, respectively, with these rocks. Start each part of your solution to
asked by Anonymous on October 2, 2012 
physics
A projectile, fired with unknown initial velocity, lands 18.4 s later on the side of a hill, 3290 m away horizontally and 409 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its
asked by yelya on August 25, 2011 
Physics
Assume that all of the mass of a bicycle wheel is concentrated at its rim. Such a wheel of mass 1.2 kg and radius 30 cm starts from rest at the top of a hill 100m long and inclined at 20 degrees to the horizontal. What will be the speed of the wheel at the
asked by kelsey on March 25, 2014 
physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.1 m. Neglect friction and air resistance. What must be the height
asked by susan on October 18, 2012 
Physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.3 m. Neglect friction and air resistance. What must be the height
asked by Candy on February 29, 2012 
physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 39.6 m. Neglect friction and air resistance. What must be the height
asked by Anonymous on April 15, 2013 
Maths
Mr Lee start from her home,and goes 250m due south,then 200m due east,and finally 100 due south to a shopping mall.Find the distance between her home and shopping mall.
asked by Anonymous on August 21, 2017 
Maths
Mr Lee start from her home,and goes 250m due south,then 200m due east,and finally 100 due south to a shopping mall.Find the distance between her home and shopping mall.
asked by Lai on August 21, 2017 
science
imagine you are flyingfrom seattle to san francisco,which is almost exactly due south of seattle.shoud the pilot set a course due south? explain your answer.
asked by molly on March 12, 2008 
science
imagine you are flyingfrom seattle to san francisco,which is almost exactly due south of seattle.shoud the pilot set a course due south? explain your answer.
asked by molly on March 12, 2008 
Math (Need help Urgent)
1. Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the crosssection of the slope of one side of the hill is y=4x12 . If the path of the
asked by Mary on June 18, 2015 
PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #1: A skier with a mass of 60.0 kg is standing at the top
asked by Anna on March 7, 2013 
physics
An airplane is heading due south at a speed of 734 km/h . A wind begins blowing from the southwest at a speed of 110 km/h (average). In what direction should the pilot aim the plane so that it will fly due south?
asked by Al on September 3, 2015 
Physics
You are on vacation in San Francisco and decide to take a cable car to see the city. A 5500 kg cable car goes 360 m up a hill inclined 19 ∘ above the horizontal. What can your learn about the work done by the cable to move car up the hill? Answer
asked by James on February 29, 2016 
Physics
A car can decelerate at 4.80 m/s^2 without skidding when coming to rest on a level road. What would its deceleration be if the road were inclined at 13 degrees uphill? Assume the same static friction force. Supposively the answer is 7.00 m/s^2 but I keep
asked by Jake on December 21, 2009