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October 1, 2014

Search: A boat with a horizontal tow rope pulls a water skier. She skis off to the side, so the rope makes an angle of 15.0 with the forward direction of motion.

Number of results: 43,428

Trigonometry
1. Ben is pulling on a tobaggan rope with a force of 250 newtons. The rope makes a 36 angle with the ground. What force is actually working to move the tobaggan to the right? 2. If a boat going 6 mi/hr in still water suddenly encounters a crosscurrent of 4 mi/hr, at what angle...
September 21, 2006 by Lisa

Calculus
A boat being pulled toward a wharf by a rope attached to the boats deck from a point 8.0 m above the deck. If the rope is being pulled in at a rate of 2.0 m/min, how fast is the boat approaching the wharf when it is 12.0 m away?
March 10, 2012 by Candy

physics homework 8!
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. He then pulls downward on the free end of the rope with a force of 365 N. Neglect any friction between the rope and the branch, and ...
February 8, 2011 by Nerdy Nancy

math
A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE? a 20 feet b 40 feet c 60 feet d 80 feet why and ...
April 7, 2010 by eva

physics
I have rope of 4 meters. I want 1.85 meters of rope from that rope. i dont have scale to measure the length of the rope. how can i get the rope of 1.85 meters exactly?
January 2, 2012 by Bhaskar

physics
in a tug of war a jeep of a mass 1400kg and a tractor of a mass of 2000kg pull on a horizontal rope in opposite directions. at one instant, the tractor pulls on the rope with a force of 1.50*10^4N while its wheels push horizontally against the groud with a force of 1.60*10^4N ...
October 30, 2010 by jack

phy
A 50kg boy suspends himself from a point on a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degrees respectively to the horizontal.The tensions in the segments of the rope in
August 13, 2014 by samson

alegebra
a 210 ft. long rope is cut into 3 pieces. the first piece of rope is 3 times as long as the second rope. the 3rd piece of rope is 2 times as long as the second piece of rope. What is the lenght of the longest piece of rope?
March 18, 2011 by jane

math
a 45 inch rope is cut into 3 pieces. the first piece of rope is 3 inches longer than the other pieces of rope. what is the length of the longest piece of rope.
October 3, 2012 by Arthur

physics
A 50kg boy suspends himself from a point on a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degrees respectively to the horizontal.The tensions in the segments of the rope in newtons are
October 7, 2011 by lawrence

physics
A 0.700-kg ball is on the end of a rope that is 2.20 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0 with respect to the vertical as shown. What is the ...
May 22, 2012 by Adam

physics
A 0.700-kg ball is on the end of a rope that is 2.20 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0 with respect to the vertical as shown. What is the ...
May 22, 2012 by Adam

physics
The three ropes are tied to a small, very light ring. Two of the ropes are anchored to walls at right angles, and the third rope pulls as shown: F=85 N, q=54. What is the magnitude of the tension force in the first rope
January 31, 2011 by alyssa

6th grade math
Can you check these, please? 1. A spool contains 18.5 feet of rope. Bob cuts off a piece of rope. There are 13.8 feet of rope left on the spool. Write 3 equations that could used to determine the length of the rope (r) Bob cut off. Ans 1: r + 13.8 = 18.5 Ans 2: 18.5 - r = 13.8...
November 21, 2013 by Alex

physics
Two skaters with masses of 66kg and 47kg , respectively, stand 5.5m apart, each holding one end of a piece of rope. Part A If they pull themselves along the rope until they meet, how far does each skater travel? (Neglect friction.) Part B If only the 47kg skater pulls along ...
March 3, 2014 by bety

physics
a man pulls an 80 kg sled up an incline that is at an angle of 25 degrees with the horizontal using a rope attached to the sled at an angle of 35 degrees. If the coefficient of friction between the sled and the incline is 0.70, what force must the man exert on the rope to keep...
December 21, 2013 by Paul

physics
The figure shows two 1.00kg blocks connected by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250g . The entire assembly is accelerated upward at 3.00m/s2 by force F. What is F? What is the tension at the top end of rope 1? What is the tension ...
November 4, 2013 by Anonymous

Physics
A sign weighing 10N hangs from two ropes. Each rope is 45 degrees from the horizontal. 1. What is the tension in each rope?
May 24, 2012 by khloe

Physics
A 50 kg crate is initially at rest on a plane inclined at an angle of 30 degrees to the horizontal. A man then pulls the crate up the incline via a rope that is parallel to the inclined plane. The tension that the man imparts to the rope is 100 N, and the coefficient of ...
November 3, 2010 by Shelby

physic
Hi! I try already but, the answer is wrong could you help me to fix it out. A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8 above the horizontal. The sledge moves a distance of 20.6 m on a horizontal surface. ...
October 27, 2009 by Chan

Physics
The tightrope walker gets tired and decides to stop for a rest. During this rest period, she is in translational equilibrium. She stops at middle of the rope and finds that both sides of the rope make an angle of = 10.00 with the horizontal. If the mass of the tightrope ...
October 19, 2012 by Lily

Physics URGENT!!!
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.510...
October 5, 2012 by Megan

Physics URGENT!!!
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.510...
October 8, 2012 by Anonymous

MATH
A 210 ft. long rope is cut into 3 pieces. The first piece of rope is 3 times as long as the second piece of rope. The third piece of rope is 2 times as long as the second piece of rope. What is the length of the longest piece of rope?
July 27, 2010 by AMY

physics
A 0.700-kg ball is on the end of a rope that is 2.20 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0 with respect to the vertical as shown. What is the ...
May 23, 2012 by Adam

physics
Secret agent Samantha Bond, 43.00 kg, has just ignited her jet powered skis at the foot of a 10.0 degree slope that rises in height by 50.0 m. The skis have a thrust of 226.0 N. When she gets to the top of the slope, she keeps the skis at 10.0 degrees as she flies through the ...
September 19, 2012 by Anonymous

physics
A 3.0 m long, 2.2 kg rope is suspended from the ceiling. Graph the tension in the rope as a function of position along the rope, starting from the bottom.
October 6, 2010 by Anonymous

Algebra
The cost of purchasing x meter lengths of a certain rope is: C=1/5x^2-8x+100 per rope. What is the length of the cheapest rope that can be purchased?
September 12, 2014 by Hannah

physic
Please help me I have no idea how to do this problem at all. Question:A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8 above the horizontal. The sledge moves a distance of 20.6 m on a horizontal surface. The ...
October 24, 2009 by Chan

Physics
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.370 m/s2. Block 1 has mass M, block 2 has 5M, and block 3 has 5M. What is the coefficient of kinetic friction between block 2 and the table? block 1 is haging off the table ...
November 18, 2010 by Will

Physics- Elena please help!
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.510...
October 8, 2012 by Anonymous

Physics- Elena please help!
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.510...
October 10, 2012 by Anonymous

Physics
An object is swinging from a point that is horizontal compared to the lowest point the object will reach (where the rope is vertical). If the length of the rope is 2 meters and the mass of the object is 30 kg, what is the tension in the rope at the bottom of the swing? Need ...
November 18, 2007 by Trevor

Physics
A daredevil attempts to swing from the roof of a 24m high bulding to the bottom of an identical building using a 24m rope. He starts from rest with the rope horizontal, but the rope will break if the tension force in it is twice the weight of the daredevil. How high is the ...
March 1, 2009 by Aaron

Physics
A 3.8 kg ball is swung in a horizontal circle at the end of a 1.5 meter rope. If the tension in the rope is kept constant at 79 N, what is the period of rotation, T?
April 4, 2008 by Chaz

physics
A light rope is attached to a block with a mass of 6 kg that rests on a horizontal, frictionless surface. THe horizontal rope passes over a frictionless, massless pulley, and a block of mass m is suspended from the other end. When the blocks are released, the tension in the ...
November 16, 2006 by Christina

physics
tow horizontal forces, one 180.0 N and the other 200.0 N, are exerted in opposite directions on a boat on a lake. What is the net horizontal force on the boat? Thanks for your help.
November 30, 2011 by julie

engineering
Your friend, a 75 kg mountain climber is suspended from a cliff by a rope. Calculate the tension in the rope, in Newtons, when you lift your friend to safety. If the rope can withstand 1.25 kN of stress per square centimeter of cross-sectional area, what minimum diameter of ...
January 17, 2013 by amanda

Physics
A tractor of mass 5.0*10^3kg is used to tow a car of mass 2.5*10^3kg.the tractor moved with a speed of 3.0m/s^1 just before the towing rope became taut.calculate:the speed of the tractor immediately the rope became taut, loose kinetic energy of the system just after the car ...
January 30, 2012 by Thank-God

Physics
Pls sir, kindly send the solution to my email. thanks. 1)A boat propelled so as to travelled with a speed of 0.50m/s in still water, moves directly ( in straight line ) across a river that is 60m wides. The river flow with a speed of 0.30m/s. How long in seconds does it take ...
April 27, 2012 by Abbey

physics
1. A student is dragging a 5 kg box along the floor. He pulls on the rope with a 25 Newton force. The rope is 37 degrees above horizontal. As the box slides 10 meters, it goes from a speed of 3 m/s to a speed of 7 m/s. a.) calculate the normal force on the box b.) calculate ...
January 12, 2011 by Energy

physics
a rope can withstand a maximum tension force of 450n before breaking if we use the rope to pull a 32kg bucket of water from a well what is the maximum acceleration upward we can use without breaking the rope
June 1, 2009 by Deanna

physics
Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 60.0 degrees with the horizontal. Beth exerts a force of 125 N on the rope. What is the magnitude of the upward component of ...
November 11, 2009 by sarah

Physics
Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 65.6 ◦ with the horizontal. If Beth exerts a force of 162.2 N on the rope, what is the magnitude of the upward ...
November 16, 2011 by Anonymous

Physical Science
A donkey pulls a cart(c) with a mass of 240kg, attached to a log of wood(w), with a mass of 80kg on a horizontal road. W is tied to the back of c by means of non elastic rope. The donkey applies a foce of 170N on Cart c and the system accelerates at 0,3m s-2 to the left. The ...
March 15, 2007 by Taryn

physics
In preparation for a demonstration on conservation of energy, a professor attaches a 7.2-kg bowling ball to a 3.4-m-long rope. He pulls the ball 23 away from the vertical and holds the ball while he discusses the physics principles involved. Assume that the force he exerts on...
April 6, 2011 by Anonymous

physics (SAT 2)
A horse is pulling a canal boat at 12 degrees to the rope. Tension of the rope it 1150 newtons. The canal is moving at a steady speed. Calculate the resistive forces opposing the boats forward motion.
September 27, 2010 by Char

Physics
Your artist friend's new work is a simple, high-impact kinetic sculpture called 'Destruction.' A 200-kg steel block is hung from the ceiling by an 8-foot-long rope. A second rope is attached to the side of the block. The other end of this second rope is attached to a motor ...
March 26, 2013 by Brandon

physics
A 69 kg person on skis is going down a hill sloped at 36 below the horizontal (+x direction). The coefficient of friction between the skis and the snow is 0.15. Find the x and y components of the weight of the skier going downhill.
December 11, 2011 by mark

physics
A 5kg box on a horizontal plane has a coefficient of kinetic energy of 0.2. The object is pulled on horizontally with a rope at 2 m/s^2. With 9.8m/s^2 gravitational force, what is the tension on the rope?
October 6, 2011 by Matt

calculus
I need help with this problem. I think I figured out how to set it up but I keep getting stuck in the middle. A boat is pulled into a dock by a rope attatched to the bow of the boat and passing through a pulley on the dock that is 1m higher than the bow of the boat. If the ...
March 30, 2009 by Anonymous

physic
A gymnast of mass 68.0 {\rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 {\rm m/s^2} for the acceleration of gravity.
November 16, 2010 by mas

Physics
Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 49 with the horizontal. If Beth exerts a force of 148 N on the rope, what is the magnitude of the upward compo- nent of the ...
January 10, 2011 by dmj697

Physics
Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 60.9 ◦ with the horizontal. If Beth exerts a force of 116 N on the rope, what is the magnitude of the upward component ...
October 21, 2012 by AJ

Physics
A boat is constructed in the shape of a rectangular cube. The base of the boat is 2m by 3m and the side of the boat is 2m high. The boat has a total mass of 4500kg. Hint-The density of the water is 1000kg/m^3. a. What is the buoyant force on the boat? Explain answer. b. ...
July 25, 2013 by Jason

(pls help) physics
(Q1) A 50kg boy suspends himself from a point on a rope tied horizontally between 2 vertical poles. the 2 secments of the rope are then inclined at angles 30degrees and 60degrees respectively to the horizontal. The tension in the sefments of the rope is (a)25.0 and 43.3(b)50.0...
July 9, 2013 by ikye

Phiysics
Pulling up on a rope, you lift a 4.35-kg bucket of water from a well with an acceleration of 1.78 m/s2. What is the tension in the rope?
March 8, 2010 by Jim

physics
Pulling up on a rope, you lift a 4.05-{\rm kg} bucket of water from a well with an acceleration of 2.20 m/s^2. What is the tension in the rope?
January 4, 2011 by physics

phy
Pulling up on a rope, you lift a 4.05 kg bucket of water from a well with an acceleration of 2.50 m/s^2. 1-What is the tension in the rope?
July 18, 2011 by lily

Physics
A 50 kg crate is initially at rest on a plane inclined at an angle of 30 degrees to the horizontal. A man then pulls the crate up the incline via a rope that is parallel to the inclined plane. The tension that the man imparts to the rope is 100 N, and the coefficient of ...
November 1, 2010 by Shelby

PHYSICS - plz help
A house painter uses a chair and pulley arrangement to lift himself up the side of a house. The painter's mass is 69.2 kg and the chair's mass is 24.0 kg. With what force must he pull down on the rope in order to accelerate upward at 0.379 m/s2? The rope that the painter pulls...
October 2, 2009 by Anonymous

calculus
a woman on a dock is using a rope to pull in a canoe. the rope is pulled at the rate of 2 ft/sec, 3ft above the point level with the connection of the rope to the canoe. How fast is the canoe approaching the dock when the length of the rope from her hands to the canoe is 10 ft?
October 6, 2010 by Joshie

Physics
Pulling up on a rope, you lift a 4.35-kg bucket of water from a well with an acceleration of 1.78m/s^2. What is the tension in the rope?
March 8, 2010 by Steve

Trigonometry help
A boat drops an anchor to the bottom of a lake. The anchor rope makes a 15 degree angle with the boat. The anchor rope is 24 feet long. To the nearest foot how deep is the lake? Would I use the cos function giving me 23 or the sin function giving me 6 but how would my set up be?
June 21, 2014 by Anonymous

physics
You hold one end of a rope and pull horizontally with a force of 65N. Calculate the tension in the rope if the other end is tied to a wall and held by a friend who pulls with 65 N in the opposite direction. It's tied to a object on a smooth ice.
October 22, 2013 by saffat

physics
A 200 kg piano is suspended by a rope from a high building. (Assume the mass of the rope is zero). a. What is the weight of the piano? b. What is the tension of the rope? c. The piano is now hoisted up with an initial acceleration of 1 m/s. What is the minimum value of the ...
March 14, 2014 by Swastika

Math
A community garden is sectioned off into 12 congruent individual plots with rope as shown in the diagram. Find the total length of rope used. Then find the total length of rope needed if the garden is sectioned off into six congruent rectangles. width-4yd length-3rd
April 20, 2011 by Matty

Physics
One-fourth of length L is hanging down over the edge of a frictionless, table. The rope has an uniform, linear density (mass per unit length), lambda, and the end already on the table is held by a person. a) How much work does the person do when she pulls on the rope to raise ...
October 15, 2010 by Leshawn

physic
Hi! please help A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8 above the horizontal. The sledge moves a distance of 20.6 m on a horizontal surface. The coefficient of kinetic friction between the sledge and ...
October 20, 2009 by Chan

physics
A 60 kg skier with an initial speed of 12 m/s coasts up a 2.5 m high rise that makes a 35 degree angle with the horizontal. If the coefficient of friction between the skis and the snow is .08, find the speed of the skier when he reaches the top of the rise. How much work does ...
October 9, 2010 by Me

physics
A box having a mass of 50kg is dragged across a horizontal floor by means of a rope tied on the front of it. The coefficient of friction between the box and the floor is .3. If the angle between the rope and the floor is 30 degrees, what force must be excerted on the rope to ...
January 11, 2011 by Elise

phsyics
A box have a mass of 50 Kilograms is dragged across a horizontal floor by means of a rope tied on the front of it. The coefficient of friction between the box and the floor is .3. If the angle between the rope and the floor is 30 degrees, what force must be exerted on the rope...
November 25, 2012 by Anonymous

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 1
A boat towing a water skier leaves a dock and travels east at a speed of 20mph. Two minutes later, a second boat towing another skier leaves the dock in the same direction at a speed of 25mph. How long will it take the second boat to overtake the first boat? PLEASE help!? /:
January 12, 2012 by Kiersten Hailey

physics
A tractor of mass 5000kg is used to tow a car of mass 2500kg.The tractor moved with a speed of 3meter per secound.Just before the towing rope cuts,calculate (a)the speed of the tractor immediately the rope cuts
February 12, 2012 by Fatimah

physics
You are planning to build a log cabin in northern Minnesota. You will pull the logs up a long, smooth hill to the building site by means of a rope attached to a winch. You need to buy a rope for this purpose, so you need to know how strong the rope must be. Stronger ropes cost...
September 27, 2012 by nate

physics
A 52kg teen grabs onto a rope swing. The length of rope between the teen and the pivot point above is 4.5m, and the rope makes an angle of 40o relative to vertical. Calculate his change in potential energy as he swings down and out to the point where the rope is in the ...
September 19, 2012 by taryn

physics
A student pulls on a rope attached to a box of books and moves the box down the hall. The student pulls with a force of 182N at an angle of 25 above the horizontal. The box has a mass of 35kg and &mu k between the box and the floor is 0.27. What is the acceleration of the box.
November 9, 2010 by CJ12

Physics
A 70 kg person stands on a 30 kg platform and pulls on a massless rope with a force of 400 N. The rope passes around a pulley attached to a support (roof), and then around a second pulley attached to the platform before being anchored to the support (roof). All sections of the...
January 22, 2013 by Adam

Physics
A person pulls a toboggan for a distance of 37.2 m along the snow with a rope directed 25.4 above the snow. The tension in the rope is 84.1 N. How much work is done on the toboggan by the tension force?
April 30, 2010 by Fallon

physics
A person pulls a toboggan for a distance of 30.0 m along the snow with a rope directed 20.0 above the snow. The tension in the rope is 85.0 N. (a) How much work is done on the toboggan by the tension force?
December 4, 2010 by Anonymous

physics
Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis run out of fuel after ...
December 9, 2010 by rosie

Physics
Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis run out of fuel after ...
November 3, 2012 by Michael

Physics
Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis run out of fuel after ...
November 3, 2012 by Michael

Physics
Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis run out of fuel after ...
November 3, 2012 by Michael

physics
An 845 N sled is pulled a distance of 180 m. The task requires 1.38 x 104 J of work and is done by pulling on a rope with a force of 122 N. The rope is held at _____ above the horizontal.
January 24, 2012 by Dee

physics
A piano is being moved into a concert hall up a 15m ramp that has a final height of 1.5m. To help with the weight, a rope has been tied between the piano and a counterweight through two pulleys. One at the top of the ramp and the other off the edge of the loading dock so that ...
December 20, 2012 by christine

Physics
A bowling ball weighing 71.2 N is attached to the ceiling by a 3.80 m rope. The ball is pulled to one side and released; it then swings back and forth like a pedulum. as the rope swings through its lowest point, the speed of the bowling ball is measured at 4.20 m/s. At that ...
June 15, 2009 by Sarah

physics
the length of nylon rope from which a mountain climber is suspended has a force constant of 1.40*10^4. how much would this rope stretch to break the climbers fall if he freefall 2.00 m before the rope run out of slack
May 4, 2014 by sara

Physics
Two ropes exert forces holding a suspended box having a mass of 100 N at rest. If one rope is at an angle of 30o to the horizontal and exerts a force of 40 N along the rope, what is the tension on the other rope and what is the angle between the rope and the horizontal? I was ...
September 27, 2009 by Dreskillz89

physics
two dogs play tug of war with a rope toy that has a mass of 0.50 kg. if one dog pulls on the toy with a force of 140.0 N, and the other dog pulls in the opposite direction with a force of 138.0 N, what is the horizontal acceleration of the toy?
November 30, 2011 by kristi

physics
A stunt man whose mass is 70 kg swings from the end of a 4.4 m long rope along the arc of a vertical circle. Assuming that he starts from rest when the rope is horizontal, find the tensions in the rope that are required to make him follow his circular path at each of the ...
November 6, 2010 by Cho

Physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ...
November 12, 2012 by Iza

physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ...
July 14, 2014 by bibs

physics
An 850 N sled is pulled a distance of 180 m. The task requires 1.20 104 J of work and is done by pulling on a rope with a force of 125 N. At what angle is the rope held? answer: ____ (with the horizontal)
April 26, 2011 by Merlin

science
A 71.9-kg skier coasts up a snow-covered hill that makes an angle of 27.5 with the horizontal. The initial speed of the skier is 9.67 m/s. After coasting a distance of 1.50 m up the slope, the speed of the skier is 4.52 m/s. (a) Find the work done by the kinetic frictional ...
February 28, 2011 by shaknocka

physics
A horizontal force of 804 N is needed to drag a crate across a horizontal floor with a constant speed. You drag the crate using a rope held at an angle of 32 (from the horizontal). (a) What force do you exert on the rope? 1 N (b) How much work do you do on the crate if you ...
December 12, 2011 by Anonymous

Physics
A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to ...
October 31, 2012 by Samantha

PHYSICS
A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to ...
October 31, 2012 by PLEASE HELP

Physics
A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to ...
November 1, 2012 by Ashley

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