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April 19, 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: 41,527

physics
a farmhand attaches a 25 kg bale of hay to one end of a rope passing over a frictionless pulley connected to a beam in a hay barn. another farmhand then pulls down on the opposite end of the rope with a force of 227 N. ignoring the mass of thr rope what will be the magnitude ...
Thursday, January 17, 2013 at 6:50pm by Anonymous

physics
Search: On a pleasure cruise a boat is traveling relative to the water at a speed of 5.4 m/s due south. Relative to the boat, a passenger walks toward the back of the boat at a speed of 1.4 m/s. (a) What is the magnitude and direction of the passenger's velocity relative to ...
Thursday, January 31, 2013 at 3:53pm by Dee

physical science
a 70 kg man and 50 kg woman are in a boat when its motor fails. the man dives into the water with a horizontal speed of 3 m/s in order to swim ashore. if he changes his mind, can he swim back to the boat if his swimming speed is 1 m/s? If not, can the woman change the boats ...
Wednesday, September 19, 2012 at 5:13pm by tracey

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
Monday, January 31, 2011 at 7:51pm by alyssa

Physics
To hoist himself into a tree, a 71.0-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 367 N. Neglect any friction between the rope and the branch, and ...
Monday, September 17, 2007 at 11:52pm by James

Physics
To hoist himself into a tree, a 66.0-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 366 N. Neglect any friction between the rope and the branch, and ...
Wednesday, September 29, 2010 at 6:19pm by Xavier

physics
To hoist himself into a tree, a 66.0-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 366 N. Neglect any friction between the rope and the branch, and ...
Thursday, September 30, 2010 at 5:55pm by zay

physics
On a pleasure cruise a boat is traveling relative to the water at a speed of 4.8 m/s due south. Relative to the boat, a passenger walks toward the back of the boat at a speed of 1.3 m/s. (a) What is the magnitude and direction of the passenger's velocity relative to the water...
Tuesday, September 18, 2012 at 10:56pm by manny

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
Sunday, February 12, 2012 at 12:55pm by Fatimah

Physics 12
A flag of mass 2.5 kg is supported by a single rope as show in figure 13. a strong horizontal wind exerts a force of 12 N on the flag. Calculate the tension in the rope and the angel, the rope makes with the horizontal. here is the figure: _________________________...
Tuesday, October 1, 2013 at 6:55pm by Lola

Physics
Mike pulls a 4.5 kg sled across level snow with a force of 250 N along a rope that is 35.0° above the horizontal. If the sled moves a distance of 63.8 m, how much work does Mike do? please show steps/equation!
Monday, January 23, 2012 at 1:23pm by Zach G

applied math
A boat is located at a random location uniformly distributed inside of the circular pool of radius 1 mile. The boat is tied by a rope to a pole located directly at the center of the pool. A bird lands on the rope at the uniformly random location. If X is the distance between ...
Friday, May 3, 2013 at 3:37am by hsuan

math prob
A boat is located at a random location uniformly distributed inside of the circular pool of radius 1 mile. The boat is tied by a rope to a pole located directly at the center of the pool. A bird lands on the rope at the uniformly random location. If X is the distance between ...
Saturday, May 4, 2013 at 5:53pm by hsuan

physics
a rope can withstand 300N of force before snapping. assume that a 4 kg object is attached to the rope and is being spun in a horizontal circle with a .5 m radius. Find the velocity of the object when the rope breaks.
Monday, January 5, 2009 at 1:55am by john marsh

Physics
A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...
Monday, February 25, 2008 at 2:32pm by John

Physics
A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...
Monday, February 25, 2008 at 3:50pm by Peter

physics
A power boat of mass 465 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...
Saturday, October 23, 2010 at 1:53pm by Xavier

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 friction.How fast is the wagon ...
Sunday, December 5, 2010 at 5:22pm by Corey

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 friction.How fast is the wagon ...
Sunday, December 5, 2010 at 5:22pm by Corey

Physics
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.80 cm into the water. What is the weight of the truck?
Saturday, June 25, 2011 at 2:28pm by Kelsey

Physics
A 200 kg wooden crate is dragged at a constant speed by a rope through a distance of 4 m along a wooden floor . The coefficient of sliding friction is .2 . If the work done is 1568 j , and the rope is horizontal, calculate the tension in the rope
Thursday, March 1, 2012 at 5:03pm by Lorna

Physics
A 200 kg wooden crate is dragged at a constant speed by a rope through a distance of 4 m along a wooden floor . The coefficient of sliding friction is .2 . If the work done is 1568 j , and the rope is horizontal, calculate the tension in the rope
Thursday, March 1, 2012 at 5:03pm by Lorna

Physics
A 200 kg wooden crate is dragged at a constant speed by a rope through a distance of 4 m along a wooden floor . The coefficient of sliding friction is .2 . If the work done is 1568 j , and the rope is horizontal, calculate the tension in the rope
Thursday, March 1, 2012 at 5:06pm by Lorna

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 7.7 m waterfall. If the spy's speed is 19 m/s and the officials' speed is 29 m/s, how far apart ...
Tuesday, October 4, 2011 at 12:00am by faviola

Physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 7.5 m waterfall. If the spy's speed is 19 m/s and the officials' speed is 24 m/s, how far apart ...
Tuesday, October 11, 2011 at 8:11pm by Emily

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 4.2 m waterfall. If the spy's speed is 20 m/s and the officials' speed is 24 m/s, how far apart ...
Thursday, December 13, 2012 at 8:10pm by Anonymous

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 4.2 m waterfall. If the spy's speed is 20 m/s and the officials' speed is 24 m/s, how far apart ...
Tuesday, January 1, 2013 at 1:38pm by Anonymous

college physics
The net force exerted on the block must be m a, where a is the acceleration. If we choose the upward direction to be positive, we have: m a = -mg + F_rope where F_rope is the force exerted by the rope in the upward direction. This means that: F_rope = m (g+a) F_rope is also ...
Tuesday, May 19, 2009 at 10:29am by Count Iblis

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. just as the officials' boat pulls up next to the spy's boat both boats reach the edge of a 5.0meter waterfall. If the spies speed is 15m/s and the officials' speed is 26 m/s, how far ...
Saturday, November 6, 2010 at 8:15am by luke

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.3 m waterfall. The spy’s speed is 15 m/s and the officials’ speed is 24 m/s
Tuesday, May 1, 2012 at 11:51pm by Anonymous

Physics
trap door of length and width 1.65 m is held open at an angle of 65.0 degree with respect to the floor. A rope is attached to the raised edge of the door and fastened to the wall behind the door in such a position that the rope pulls perpendicularly to the trap door. If the ...
Sunday, March 25, 2012 at 11:20pm by Lorax

Physics
trap door of length and width 1.65 m is held open at an angle of 65.0 degree with respect to the floor. A rope is attached to the raised edge of the door and fastened to the wall behind the door in such a position that the rope pulls perpendicularly to the trap door. If the ...
Sunday, March 25, 2012 at 11:48pm by Lorax

science
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.3 m waterfall. The spy’s speed is 16 m/s and the officials’ speed is 26 m/s. How far ...
Thursday, October 11, 2012 at 1:20pm by Anonymous

Physics
A boat travelling at 30km/hr relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/hr. The boat arrives at the opposite bank in 1.24 min. I calculated the perpendicular component of the boat relative to the water as...
Sunday, March 2, 2008 at 11:59pm by Anonymous

physics
A small rectangular ferry boat is 3.33 m wide and 5.64 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.25 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s2 . Answer in units of kN.
Friday, June 17, 2011 at 10:22am by ryan

physics
A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 16° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 8.4 N, what is the tension in the rope?
Monday, February 14, 2011 at 1:53pm by nate

physics
A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 21° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 8.3 N, what is the tension in the rope?
Thursday, February 17, 2011 at 10:23am by mayrel

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 acceleration of ...
Wednesday, February 15, 2012 at 5:08pm by Ethan

Physics
One boat tows another boat by means of a tow line, which is under a constant tension of 495 N. The boats move at a constant speed of 4.75 m/s. How much work is done by the tension in 1.10 min? Not sure how to apply the work-energy theorem. I assume velocity needs to be ...
Monday, October 3, 2011 at 8:40pm by Help

Physics
A boy pulls a sled with a force of 40N on a rope 2.5 meters long. The end that he holds is 1.5 meters higher than the end attached to the sled. What is the magnitude of the horizontal component that acts to pull the sled forward?
Wednesday, September 12, 2007 at 10:52pm by Katie

physics
A boat crosses a river, which is 60 meters wide in 15 seconds. Upon crossing, the boat, which had headed straight across the river, ended up 20 meters downstream. A). What was the speed of the boat in still water? B). At what speed does the river flow? C). At what angle should...
Sunday, September 27, 2009 at 12:33pm by Dreskillz89

Physics
A boat is being towed through a canal by means of ropes which make a 45 degree angle to each other. If a force of 75N is applied to the rope, what is the resultant force pulling the boat forward?
Sunday, November 3, 2013 at 3:01pm by Christina

10th grade
A sledge loaded with bricks has a total mass of 18.0 kg nd is plled at constant speed of a rope incllined at 20 degres above the horizontal. The sledge moves a distance of 20.0 m on a horizontal surface. the coefficient of kinetic friction between the sledge and surface is 0....
Saturday, November 27, 2010 at 2:27am by dom

Physics GO! (82)
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 ...
Monday, February 7, 2011 at 11:09am by Tiffany

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 ...
Tuesday, February 8, 2011 at 10:15pm by Nerdy Nancy

physics
A horse pulls a barge down a canal. The horse pulls on the rope with a force of 7900 N at an angle of 18 degrees to the direction of motion of the barge, which is heading straigt along the canal. The mass of the barge is 9500kg and its acceleration is .12m/s^2. What are the a...
Monday, November 13, 2006 at 9:11pm by Chris

Physicis
Given: Two teams of children are well-matched, and they pull on the rope with exactly the same force. They have placed a 65n weight at the center of the rope. The teams first pull with 750n of force each, then in an heroic effort to straighten the rope, pull with 1500n of ...
Sunday, February 15, 2009 at 9:16am by Joshua

physics
can you help me through this? A boat moves through a river at 7.0 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 3.5 m/s, how long does it take the boat to make a round trip consisting of a 250 m displacement downstream ...
Sunday, November 7, 2010 at 6:29pm by Maria

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.
Tuesday, October 22, 2013 at 10:44pm by saffat

ap Physics
AP PROBLEM CHILD ON A SWING AN ADULT EXERTS A HORIZONTAL FORCE ON A SWING THAT IS SUSPENDED BY A ROPE OF LENGTH L, HOLDING IT AN AN ANGLE q WITH THE VERTICAL. THE CHILD IN THE WING HAS WEIGHT W AND DIMENSIONS THAT ARE NEGLIGIBLE COMPARED TO L. THE WEIGHTS OF THE ROPE AND OF ...
Monday, January 3, 2011 at 12:47am by Anonymous

physics
A monkey of mass m climbs a rope slung over a light frictionless pulley.The opposite end of the rope is tied to a block of Mass M lying on a smooth horizontal plane.Find the acceleration of the block and tension in the rope in the following cases 1)the monkey moves up with an ...
Saturday, June 15, 2013 at 10:27am by raven

physics
a man pulls a log of mass 45 kg along level ground by means of a rope at constant speed. If the applied force is at an angle of 30 degrees to the horizontal and the force of friction is 36N find the work done by him pulling the log through a distance of 10m
Sunday, May 12, 2013 at 4:29pm by maham

Calculus
a) A boat is pulled into a dock by a rope attached to the bow ("front") of the boat and passing through a pulley on the dock that is 1m higher than the bow of the boat. If the rope is pulled in at a rate of 1m/s, how fast is the boat approaching the dock when it is 8m from the...
Wednesday, November 2, 2011 at 3:30am by Web7

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 ...
Monday, January 30, 2012 at 6:59pm by Thank-God

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...
Friday, October 5, 2012 at 10:00pm 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...
Monday, October 8, 2012 at 9:04pm by Anonymous

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?
Friday, April 30, 2010 at 12:13am 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?
Saturday, December 4, 2010 at 5:39pm by Anonymous

PHYSICS CAN ANYONE HELPPPP PLEASE
A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 28° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 11.1 N, what is the tension in the rope?
Sunday, February 12, 2012 at 8:14pm by Anonymous

Physics
A 14.9-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 67.7-N horizontal force. Find the tension in the rope and the rope\'s angle from the vertical. The acceleration due to gravity is 9.81 m/s2.
Thursday, November 14, 2013 at 10:37pm by James

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.8 m waterfall. The spy's speed is 16 m/s and the officials; speed is 26 m/s. How far ...
Sunday, July 6, 2008 at 11:01pm by Julia

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.8 m waterfall. The spy's speed is 16 m/s and the officials; speed is 26 m/s. How far ...
Tuesday, November 1, 2011 at 3:02pm by Julia

physics
A boat is traveling upstream in the positive direction of an x axis at 14 km/h with respect to the water of a river. The water is flowing at 9.0 km/h with respect to the ground (parallel to the boat). What are the (a) magnitude and (b) direction of the boat’s velocity with ...
Tuesday, February 9, 2010 at 6:25pm by hannah

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...
Monday, October 8, 2012 at 5:03pm 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...
Wednesday, October 10, 2012 at 12:47pm by Anonymous

physics
Two dogs are fighting over a stuffed animal. One pulls to the right with a force of 88 N at 18° above the horizontal. The other pulls down and to the left with a force of 74 N at 12° below the horizontal. Ignoring the weight of the toy, if the total work on the animal ...
Thursday, February 23, 2012 at 10:36pm by tommy

Physics
It might help to sketch a picture. The rope is at an angle of 36 degrees. It is usually important to know the x and y (horizontal and vertical) vectors from the 36 degree force in the rope. The x (horizontal) component is parallel to the ice and the old faithful f=ma can be ...
Thursday, October 4, 2007 at 12:53pm by Quidditch

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. ...
Tuesday, October 27, 2009 at 3:45am by Chan

algebra
A boat traveling on the Snake River travels 24 miles upstream in 3 hours. The return trip takes the boat only 2 hours. Find the rate of the boat in still water.
Tuesday, November 9, 2010 at 2:46pm 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.
Monday, September 27, 2010 at 6:53pm by Char

Physics
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 100.0 N at an angle of 25.0° above the horizontal. The box has a mass of 25.0 kg, and the coefficient of kinetic friction between box and floor ...
Monday, September 22, 2008 at 11:07am by Jenny

Physics
A 9000 Kiogram boat floats in a lake. If half of the boat is submerged, which of the following is true: 1. The boat is less dense than the water in the lake. 2. The buoyant force is less than half the weight of the boat. 3. The buoyant force is greater than the total weight of...
Saturday, February 18, 2012 at 6:03pm by GRISSELL

Physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.4 m waterfall. The spy’s speed is 14 m/s and the officials’ speed is 25 m/s. How far ...
Friday, November 4, 2011 at 8:01pm by Marie

science
A 50 kg skier is pulled up a frictionless ski slope that makes an angle of 8 degrees with the horizontal by holding onto a tow rope that moves parallel to the slope. Determine the magnitude of the force of the rope on the skier at an instant when a) the rope is moving with a ...
Sunday, November 12, 2006 at 10:40am by Ren

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 ...
Monday, March 3, 2014 at 10:51pm by bety

Please Helppp Quickly PHYSICSSSS
A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 28° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 11.1 N, what is the tension in the rope?
Sunday, February 12, 2012 at 7:24pm by Anonymous

Math
From the top of a cliff 120 m above the water, the angle of depression of a boat on the water is 18 degrees. How far is the boat from the cliff?
Thursday, December 8, 2011 at 4:05pm by Alisha

physics
A boat’s speed in still water is vBW = 1.85 m/s. If the boat is to travel directly across a river whose current has speed vWS = 1.20 m/s, at what upstream angle must the boat head?
Tuesday, November 15, 2011 at 1:01pm by ahmed

physics
A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume -- contrary to fact -- that the resistive force due to the water is ...
Friday, October 2, 2009 at 5:42pm by kp

phy
A boat can travel 2.60 m/s in still water.If the boat points its prow directly across a stream whose current is 1.10 m/s, what is the velocity (magnitude and direction) of the boat relative to the shore? What will be the position of the boat, relative to its point of origin, ...
Sunday, September 5, 2010 at 1:14pm by ami

math
Use Pythagoras theorem, L = √(H²+D²) or L² = H²+D² L=Length of the rope = 120' D=Depth = 20' H=Horizontal distance of the anchor from the boat From L² = H²+D² we get H² = L² - D² = 120²-20² =14400 - 400 = ...
Wednesday, January 26, 2011 at 12:42am by MathMate

physics 111
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 angle 30 degrees and 60degrees to the horizontal.the tensions in the segments of the rope is?
Tuesday, February 25, 2014 at 2:47pm by Anonymous

science
a boat heading due north crosses a wide river with speed of 12km/h relative to the water the water in the river has a uniform speed of 5 km/h due east relative to the earth.determine the velocity of the boat relative to an observer standing on either bank and the direction of ...
Sunday, July 1, 2012 at 5:17am by jo1475

physics
A 1000 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the kinetic frictional force f_k between the boat and water is proportional to the speed v of the boat: f_k = 70v, where v is in meters per second and f_k is in newtons. Find the time required...
Monday, August 30, 2010 at 10:51am by Kelsey

physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.2 m waterfall. The spy’s speed is 15 m/s and the officials’ speed is 25 m/s. How far ...
Tuesday, November 1, 2011 at 3:21pm by kelly

Physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.6 m waterfall. The spy’s speed is 15 m/s and the officials’ speed is 24 m/s. How far ...
Monday, November 21, 2011 at 2:43pm by Caitlyn

DrBob222 physics
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 27.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 53.7 kg, and the coefficient of kinetic friction ...
Monday, February 19, 2007 at 3:47pm by Susu

Chemistry
If the person bails at the same rate as the boat is taking on water, neither side wins and the boat contains the same amount of water as time marches on.
Wednesday, February 12, 2014 at 9:06pm by DrBob222

phy
(Q1)A 40N force applied at an angle of 37c above the horizontal pulls a 5kg box on a horizontal floor. The acceleration of the box is 3m/s2,How large a frctional force must be retarding the motion of the box. (a)50 N(b)13N(c)17N(d)25N (Q2) A block of mass 2kg is connected to a...
Saturday, July 6, 2013 at 2:05am by ikye

physics
A girl is skipping stones across a lake. One of the stones accidentally ricochets off a toy boat that is initially at rest in the water (see the drawing below). The 0.058-kg stone strikes the boat at a velocity of 15 m/s, 15° below due east, and ricochets off at a velocity of ...
Monday, November 4, 2013 at 8:41pm by Donna

physics
A light spring having a force constant of 110 N/m is used to pull a 10.0 kg sled on a horizontal frictionless ice rink. The sled has an acceleration of 2.0 m/s^2 (a)By how much does the spring stretch if it pulls on the sled horizontally? (b)By how much does the spring stretch...
Thursday, February 18, 2010 at 2:40pm by rich

Physics
a 50kg boy suspends himself from a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degree respectively to the horizontal.the tensions fas in the segments of the rope
Wednesday, November 6, 2013 at 7:34pm by blessing

physics
The load-bearing piston in a certain hydraulic system has an area 20 times as large as the input piston. If the larger piston supports a load of 2000N, how large a force must be applied to the input piston? A certain boat displaces a volume of 4.5m3 of water (the density of ...
Friday, December 7, 2012 at 10:12am by michele

Physics
A 59-kg housepainter stands on a 16-kg aluminum platform. The platform is attached to a rope that passes through an overhead pulley, which allows the painter to raise herself and the platform. (Ignore the mass of the pulley and any friction in the pulley.) (a) With what force ...
Thursday, October 4, 2012 at 3:03pm by Madi

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 ...
Saturday, October 24, 2009 at 2:30am by Chan

Physics
A 60.9 kg climber is using a rope to cross between two peaks of a mountain as shown in the figure below. He pauses to rest near the right peak. Assume that the right side rope and the left side rope make angles of 26.7° and 14.33° with respect to the horizontal respectively. ...
Tuesday, October 15, 2013 at 8:08pm by Sinisa

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 ...
Thursday, November 16, 2006 at 3:42pm by Christina

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?
Thursday, May 24, 2012 at 10:20pm by khloe

Physics
A girl is skipping stones across a lake. One of the stones accidentally ricochets off a toy boat that is initially at rest in the water (see the drawing below). The 0.094-kg stone strikes the boat at a velocity of 14 m/s, 15° below due east, and ricochets off at a velocity of ...
Monday, October 22, 2012 at 8:22pm by Elizabeth

physics
a person pulls a box vertically out of water with an acceleration of 3m/s^2 using a very light rope that has a breaking strength of 22N. the person loses the box as the line snaps. what can you say about the mass of the box?
Sunday, April 5, 2009 at 4:37am by Nat

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