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October 20, 2014

Search: A 77 kg adult sits at one end of a 8.9 m long board. His 30 kg child sits on the other end. Where should the pivot be placed so that the board is balanced, ignoring the board's mass?

Number of results: 69,009

PHYSICS
A 74 kg adult sits at one end of a 8.5 m long board. His 35 kg child sits on the other end.Where should the pivot be placed so that the board is balanced, ignoring the board's mass?
April 20, 2010 by JP

physics
A 82 kg adult sits at one end of a 8.6 m long board. His 23 kg child sits on the other end. Where should the pivot be placed so that the board is balanced, ignoring the board's mass? Find the pivot point if the board is uniform and has a mass of 15 kg. Please help with step-by...
April 5, 2010 by Anonymous

physics
A fulcrum is placed under the center of a uniform 4.00m long, 3.00kg board. Child A has a mass of 42 kg. This child sits on the left end of the board; Child B has a mass of 26kg. Child B sits on the right end of the board. Where should child C (mass 21 kg) sit in order to have...
November 4, 2012 by Joe

physics
Suppose a 34.5-kg child sits 1.17 m to the left of center on the same seesaw as the problem you just solved in the PRACTICE IT section. A second child sits at the end on the opposite side, and the system is balanced.
November 9, 2012 by sarah

physics
A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.41. You grab one end of the board and lift it up, keeping the other end of the board on the ground. What is the angle between the board and the horizontal direction ...
February 17, 2011 by melad

physics
A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.22. You grab one end of the board and lift it up, keeping the other end of the board on the ground. What is the angle between the board and the horizontal direction ...
September 22, 2011 by abbie

physics
Two people are holding up the ends of a 4.40-kg wooden board that is l = 1.60 m long. A m = 7.00-kg box sits on the board, 0.50 m from one end, as shown below. What forces do the two people exert?
January 2, 2013 by Jamison

Physics
A child sits down on one end of a horizontal seesaw of negligible weight, 2.14 m from the pivot point. No one balances on the other side. Find the instantaneous angular acceleration of the see-saw and the tangential linear acceleration of the child.
October 31, 2011 by Kellie

Physics
A child sits on one side of a teeter totter of length 7.60 m, a distance of 49.7 cm away from the end of the beam. The child has a mass of 21.6 kg. Her mother has a mass of 43.6 kg. How far away from her end does she have to sit in order for the teeter tooter to be exactly ...
December 17, 2007 by Courtney

Physics
A child sits on one side of a teeter totter of length 7.60 m, a distance of 49.7 cm away from the end of the beam. The child has a mass of 21.6 kg. Her mother has a mass of 43.6 kg. How far away from her end does she have to sit in order for the teeter tooter to be exactly ...
December 20, 2007 by Cmoney

Physics
Little Norma has mass 20kg and wants to use a 4.0-m board of mass 10kg as a seesaw. Her friends are busy, so Little Norma seesaws by herself by putting the support at the system's center of gravity when she sits on one end of the board. How far is she from the support point?
June 8, 2010 by Ashley

Physics
A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long seesaw. How far from the 450.8 N child should the pivot be placed to ensure rotational equilibrium? Disregard the mass of the seesaw. Answer in units of m part 2 of 2 Suppose a 367 N child sits 0.193 m from ...
February 8, 2012 by amanda and leah

Physics
A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long seesaw. How far from the 450.8 N child should the pivot be placed to ensure rotational equilibrium? Disregard the mass of the seesaw. Answer in units of m part 2 of 2 Suppose a 367 N child sits 0.193 m from ...
February 8, 2012 by amanda and leah

Calculus
The seesaw principle: As you probably know, any two persons can balance each other when sitting on opposite sides of a seesaw, regardless of their weights. It is only necessary that each person contribute the same moment — calculated by multiplying the person’s weight ...
April 8, 2012 by chamy

Physics
2) A child sits on a merry-go-round, 1.5 meters from the center. The merry-go-round is turning at a constant rate, and the child is observed to have a radial acceleration of 2.3m/s^2. How long does it take for the merry-go-round to make one revolution?
August 6, 2014 by Anonymous

English
1. When the program is going on, the director sits in the control room. (At a TV studio) 2. When the program is continuing, the director sits in the control room. (At a TV studio) 3. When the program is happening, the director sits in the control room. (At a TV studio) 4. When...
March 26, 2009 by John

physics
A 50 foot see-saw has 4 kids sitting on it. A 62 lb. girl sits on the left end, with a 76 lb. girl sitting 2.5 feet in front of her. On the right side, a 96 lb. boy sits on the end and has another boy sitting 2.5 feet in front of him. How much does this other boy weigh?
January 20, 2014 by Marina

Physics
A 50- kg child sits in a swing suspended with 3.8- m-long ropes. The swing is held aside so that the ropes make an angle of 48 o with the vertical. Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is let go.
October 9, 2013 by Hunter

Physics
a 10 foot long teeter-totter pivots in the middle. a 50 lb boy sits on one end. Where must a 100 lb boy sit to balance the beam?
October 24, 2011 by Clay

Physics HELP!
A 650 N boy and a 490 N girl sit on a 150 N porch swing that is 1.70 m long. If the swing is supported by a chain at each end, what is the tension in each chain when the boy sits .75 m from one end and the girl .5 m from the other end?
December 5, 2010 by Jennifer

PHYSICS PLEASE HELP
A 80- kg child sits in a swing suspended with 2.6- m-long ropes. The swing is held aside so that the ropes make an angle of 46 o with the vertical. Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is let go.
March 21, 2012 by Holly

Physics PLEASE HELP
A 80- kg child sits in a swing suspended with 2.6- m-long ropes. The swing is held aside so that the ropes make an angle of 46 o with the vertical. Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is let go.
March 21, 2012 by Anonymous

Physics
A 20-kg child sits on a see saw on the playground, 3.0 m from the pivot. A 2nd child is seated on the other side of the pivot and 2.00 m from the pivot. The mass of the second child needed to lift the first child off the ground is
October 28, 2013 by Mikhail

Physics
A 40 kg child sits in a swing suspended with 2.5 m long ropes. The swing is held aside so that the ropes make an angle of 15 degrees with the vertical. Use the conservation of mechanical energy to determine the speed the child will have at the bottom of the arc when she is let...
January 18, 2011 by Anonymous

Physics
A child sits on the edge of a spinning merry-go-round that has a radius of 1.5 m. The childs speed is 2 m/s. What is the Child's acceleration?
June 14, 2011 by Amanda

Physics
A child sits on a rotating merry-go-round, 2.19 m from its center. If the speed of the child is 2.32 m/s, what is the minimum coefficient of static friction between the child and the merry-go-round that will prevent the child from slipping?
March 6, 2011 by Christian

Physics
A child having a mass of 45 kg sits 0.5 m from the center of a merry-go-round that is rotating with a period of 23 s. What is the centripetal force acting on the child?
April 13, 2011 by Bob

Physics
ohh sorry, in my first question... A 15 kg box sits on a horizontal FORCE. the coefficient of static fricition between the box and the surface is 0.70. if a force P is exerted on the box at an angle directed 37 degrees below the horizontal, what must be the magnitude of P to ...
August 27, 2012 by Daniella

physics
1) Two people sit on a park bench 6.0 ft long, weighing 160 lb. A boy weighing 75lb sits directly over the legs on the left side. A man weighing 170 lb sits 2.0 ft to the right of the boy. How much weight is supported by each leg on the right side
October 3, 2011 by aakash

Physics please help!!
A school yard teeter totter with a total length of 5.46 m and a mass of 35.9 kg is pivoted at its center. A 17.7 kg child sits on one end of the teeter totter. Where should a parent push with a force of 272 N in order to hold the teeter totter level?
March 4, 2011 by Megan

science-physics
A worker sits at one end of a 183-N uniform rod that is 2.80 m long. A weight of 107 N is placed at the other end of the rod. The rod is balanced when the pivot is 0.670 m from the worker. Calculate the weight of the worker
May 15, 2013 by karen

Pre Algebra
I have work problem that I am unable to solve. Each hour Maggie baby sits she charges $2 plus .75 for each child. Write an equation for Maggie's hourly rate h in terms of the number of children c. Solve the equation to find the hourly rate when Maggie baby sits 3 children.
November 7, 2011 by Jared

Physics
Two men are carrying a girl on a large plank that is 10m long and weights 200N. If the girl on a plank weighs 445N and sits 3m from one end, how much weight must each man support?
September 14, 2014 by Clangclang

Physics
A merry-go-round makes one complete revolution in 9.1 s. An 18.8 kg child sits on the horizontal floor of the merry-go-round 4.7 m from the center. Find the childs acceleration. The acceleration of gravity is 9.8 m/s 2
January 18, 2012 by Jaleena

Physics
A sturdy wooden board, 4.0 meters long and with a mass of 32 kg, rests on two supports (labeled L and R) placed 1.2 m from each end as shown in the figure below. (a) Suppose that a man with a mass of 60 kg stands at the center of the board (point a). What are the upward forces...
November 16, 2010 by Sam

PHYSics
a child with a mass of 29 kg sits at a distance of 4m from the pivot point of a seesaw. where should a 15 kg child sit to balance the seesaw?
April 22, 2014 by nicole

math hurry please
Each child ticket for a ride costs $3, while each adult ticket costs $5. If the ride collected a total of $115, and 33 tickets were sold, how many of each type of ticket were sold? A. 8 child and 25 adult B. 17 child and 16 adult C. 156 child and 41 adult D. 25 child and 8 adult
December 13, 2012 by maria

Physics
A common demonstration, illustrated below, consists of a ball resting at one end of a board of length and elevated at an angle . A light cup is attached to the board at r so that it will catch the ball when the support stick is suddenly removed. (a) Show that the ball will ...
November 18, 2009 by Ciel

physics
1.A merry-go-round makes one complete revo- lution in 12.2 s. A 49.4 kg child sits on the horizontal floor of the merry-go-round 2.3 m from the center. Find the childs acceleration. The accelera- tion of gravity is 9.8 m/s2 . Answer in units of m/s2 2.Find the horizontal ...
February 4, 2012 by brain

physics
A uniform plank weighing 50N and 12m long is pivoted at a point of 4m from one end.A boy weighing 30N sits on the plank 7m from pivot.Where must his elder brother whose weight is 80N sit to balance the plank horizontally
May 29, 2013 by Anonymous

Physics
A uniform plank weighing 50N and 12m long is pivoted at a point of 4m from one end.A boy weighing 30N sits on a plank 7m from pivot.where must his elder brother whose weight is 80N sit to balance the plank horizontally
May 29, 2013 by Anonymous

gramer correct sentence
"Did you know that Chicago sits on Lake Michugan?" asked Brenda.(think so) "Did you know that Chicago sits on Lake Michigan? Asked Brenda. (don't think so) "Did you know that Chicago sits on Lake Michigan? Asked Brenda". (don't think so) "Did you know that Chicago sits on Lake...
April 17, 2012 by kevin

physics
An adult and a child are on a seesaw 14.5 ft long. The adult weighs 152 lb and the child weighs 80 lb. How many feet from the child must the fulcrum be placed so that the seesaw balances?
May 8, 2013 by Anonymous

physics
A 59 kg diver stands at the end of a 32 kg springboard, the spring board is 3 m long. The board is attached to a hinge at the left end, but simply rests on the right support which is half way along the board. What is the magnitude of the vertical force exerted by the hinge on ...
December 9, 2010 by rosie

Physics 203
A 5m long diving board of negligible mass is supported by two pillars. One pillar is at the end of left of the diving board, the other is 1.50m away. Find the forces exerted by the pillars when a 90kg diver stands at the far end of the board.
April 9, 2013 by ash

physics
A large boulder sits at the top edge of a cliff, this is boulder A. A smaller boulder sits on a ledge half way down the same cliff, this is boulder B. Which boulder has the greatest potential energy, A or B?
December 7, 2009 by lexie

Physics
A child of mass m sits in a swing supported by two chains, each of length R. The tension in each chain at the lowest point is T. Find the force of the seat on the child at the lowest point
October 12, 2011 by Kari

physics
a person stands a distance of 0.300 meters from the right end of a 2.00 meter long uniform platform that is supported by two posts, one at each end. The board has a mass of 20.0 kg and the person's mass is 75.0 kg. a. determine the force exterted on the board by the post on ...
January 20, 2009 by bob

Physics
a person stands a distance of 0.300 meters from the right end of a 2.00 meter long uniform platform that is supported by two posts, one at each end. The board has a mass of 20.0 kg and the person's mass is 75.0 kg. a. determine the force exterted on the board by the post on ...
January 17, 2011 by Sara

physics
a person stands a distance of 0.300 meters from the right end of a 2.00 meter long uniform platform that is supported by two posts, one at each end. The board has a mass of 20.0 kg and the person's mass is 75.0 kg. a. determine the force exterted on the board by the post on ...
January 20, 2009 by bob

Physics
A 16-kg child sits on a 5-kg sled and slides down a 143-meter, 30-degree slope, to the nearest m/s what is his or her speed at the bottom?
February 27, 2011 by James

Physics
A 45 kg child sits on a 5 kg sled and slides down a 117 meter, 31 degree slope, to the nearest m/s what is his or her speed at the bottom?
September 16, 2013 by Jay

Physics
A 45 kg child sits on a 5 kg sled and slides down a 117 meter, 31 degree slope, to the nearest m/s what is his or her speed at the bottom?
September 17, 2013 by Jay

Physics
c) A penny sits 12 cm from the center of a record turning at 33 1/3 rpm. What is the tangential speed in m/s? d) A mass spins with a tangential speed of 1.2 m/s on the end of a string which is 0.75m long. What is the period of the rotation in seconds?
January 3, 2013 by Alex

Physics
c) A penny sits 12 cm from the center of a record turning at 33 1/3 rpm. What is the tangential speed in m/s? d) A mass spins with a tangential speed of 1.2 m/s on the end of a string which is 0.75m long. What is the period of the rotation in seconds?
January 3, 2013 by Alex

Physics!
A 20 kg square slab with side lengths 3.0 m rotates around an axis perpendicular to the slab. A particle of mass 0.60 kg sits on each of the corners of the square. Also, a particle of mass 0.80 kg sits at the center of each of the edges. What is the moment of inertia of the ...
June 9, 2012 by Lilly

math 12
Find the number of seating arrangements of eight basketball players on a bench if either the one centre or both of the two forwards must sit at the end where the coach always sits.
November 16, 2010 by kitkat

ALG2! WORD PROBLEM!very important!!
There are two adults and three children (under the age of 12). They qualify for a special family rate of $174.45. The clerk tells them that a child's ticket always costs $11 less than an adult's ticket. How much is each adult ticket and how much is each child's ticket? Write ...
November 30, 2012 by tyneisha

physicss
A child sits on a swing supported by ropes of length 3.0 m. With what frequency will she need to apply the driving force to maintain swinging?
December 4, 2012 by jad

Physics
You stand at the end of a long board of length L. The board rests on a frictionless frozen surface of a pond. You want to jump to the opposite end of the board. What is the minimum take-off speed v measured with respect to the pond that would allow you to accomplish that? The ...
July 1, 2013 by Anonymous

Momentum and impulse
You stand at the end of a long board of length L. The board rests on a frictionless frozen surface of a pond. You want to jump to the opposite end of the board. What is the minimum take-off speed v measured with respect to the pond that would allow you to accomplish that? The ...
July 1, 2013 by Anonymous

physics
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.10 kg sled is pulled with a horizontal force of 36.0 N, it begins to move with an acceleration of 2.10 m/s^2. The 25.0 kg child accelerates too, but with a smaller acceleration than that of the ...
October 11, 2009 by peter

physics
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.19 kg sled is pulled with a horizontal force of 38.4 N, it begins to move with an acceleration of 2.39 m/s2. The 23.8 kg child accelerates too, but with a smaller acceleration than that of the ...
October 25, 2009 by Emily

Physics
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.20 kg sled is pulled with a horizontal force of 40.0 N, it begins to move with an acceleration of 2.50 m/s^2. The 23.0 kg child accelerates too, but with a smaller acceleration than that of the ...
March 3, 2011 by Molly

college physics
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.10 kg sled is pulled with a horizontal force of 36.0 N, it begins to move with an acceleration of 2.10 m/s^2. The 25.0 kg child accelerates too, but with a smaller acceleration than that of the ...
October 11, 2009 by davie

physics
A 2.00-m-long diving board of mass 12.0 kg is 3.00 m above the water. It has two attachments holding it in place. One is located at the very back end of the board, and the other is 25.0 cm away from that end. 1-Assuming that the board has uniform density, find the forces ...
April 24, 2013 by NaNa

physics
If a 100 kg adult sits on a first class lever 2 meters away from the axis of rotation...how far back do I need to sit (145 lbs) to balance the lever?
October 26, 2012 by Anonymous

physics
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58 ft long and is represented in the figure below. Assume an astronaut in training sits in a seat at one end, facing the axis of rotation 29.0 ft away. Determine ...
October 15, 2012 by Ania

physics
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58.0 ft long and is represented in the figure below. Assume an astronaut in training sits in a seat at one end, facing the axis of rotation 29.0 ft away. ...
September 10, 2013 by ler

Physics
A 12kg blcok sits on a table. A 10 kg block sits on top of the 12kg block. What is the force the table exerts on the 12kg block. Please explain any answer.
September 13, 2011 by Diane

physics
person stands a distance of 0.300 meters from the right end of a 2.00 meter long uniform platform that is supported by two posts, one at each end. The board has a mass of 20.0 kg and the person's mass is 75.0 kg. a. determine the force exterted on the board by the post on the...
January 20, 2009 by bob

College Physics
A child plays on a bungee cord and oscillates with a certain frequency f. An adult with a mass that is 16 times greater than that of the child then uses the same bungee cord. What is the ratio of the frequency with the adult to the frequency with the child? I tried to answer ...
November 6, 2011 by Anon

physics
A 5 m long see saw has a child whose mass is 25 kg sitting on one end. How far in meters from the center should a 70 kg adult sit on the opposite side for the see saw to balance?
June 8, 2010 by bob

biomechanics
If a 100 kg adult sits on a first class lever 2.3 meters away from the axis of rotation...how far back do I need to sit (145 lbs) on the other side to balance the lever?
October 23, 2013 by Anonymous

physics 111
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a cylindrical tube 58 ft long with a radius of 29 ft (see figure). If a rider sits in a chair at the end of one arm facing the center, how many revolutions per minute would be required to ...
November 7, 2010 by Blake

physics
Two people carry a heavy electric motor by placing it on a light board 2.00 m long. One person lifts at one end with a force of 400.0 N, and the other lifts at the opposite end with a force of 600.0 N. What is the weight of the motor? and where along the board is the center of...
November 9, 2009 by Student1

Physics
An amusement park ride consists of a rotating circular platform 8.26 m in diameter from which 10 kg seats are suspended at the end of 1.14 m massless chains. When the system rotates, the chains make an angle of 16.2 degrees with the vertical. The acceleration of gravity is 9.8...
November 14, 2009 by bubba

Algebra
age of child over age of child +12 x adult dose. if an adult's dose of a particular medication is 100 mg, what is the dose for a 10-year-old child. Round answer to one decimal place. Part b if a 12 year old child dose of a particular medication is 15 mg what is the adult' dose...
April 24, 2014 by Mary Ann

algebra
Two expressions for calculating the drug dose for young children are: (2t^3 + t^2 -t)a / 48t^2 -24t and (3t^2 -2t)a / 3t^2 + 34t - 24 where t is the age of the child in years and a is the adult dose. If the adult dose for a pain killing drug is 250mg, then what is the dose to ...
January 2, 2012 by dominic

Physics
A mass sits at the top of a 2 meter long ramp inclined at an angle of 30 degrees (to the horizontal). When the mass is released, it slides down the ramp and then onto a level floor. If both the ramp and the board have a coefficient of .25 (Friction), how far out onto the floor...
March 10, 2012 by Mary

Physics
An amusement park ride consists of a rotating circular platform 8.26 m in diameter from which 10 kg seats are suspended at the end of 1.14 m massless chains. When the system rotates, the chains make an angle of 16.2 degrees with the vertical. The acceleration of gravity is 9.8...
November 15, 2009 by bubba

PHYSICS!!
An amusement park ride consists of a rotating circular platform 8.26 m in diameter from which 10 kg seats are suspended at the end of 1.14 m massless chains. When the system rotates, the chains make an angle of 16.2 degrees with the vertical. The acceleration of gravity is 9.8...
November 16, 2009 by bubba

physics3..help PLEASE!!
At the local playground a child on a swing has a speed of 2.14 m/s when the swing is at its lowest point. (a) To what maximum vertical height does the child rise, assuming he sits still and "coasts"? Ignore air resistance. (b) To what maximum vertical height does the child ...
October 8, 2008 by kelsey

physics
Two children are having a splashing competition using a diving board. The first child is very small and jumps lightly off the end of the diving board. The second child, who is much larger, jumps heavily off the board. A. In what way or ways, if any, are the vibrations of the ...
April 28, 2011 by erin

physics
Two boys and their father are balance on a seesaw. The father, 70kg, sits on one end 0.65m from the center of the seesaw while the two boys sit together on the other end. If each boy weighs 30kg, where should they sit?
July 28, 2013 by Me

physics
Two boys and their father are balance on a seesaw. The father, 70kg, sits on one end 0.65m from the center of the seesaw while the two boys sit together on the other end. If each boy weighs 30kg, where should they sit?
July 28, 2013 by Me

physics
Two boys and their father are balance on a seesaw. The father, 70kg, sits on one end 0.65m from the center of the seesaw while the two boys sit together on the other end. If each boy weighs 30kg, where should they sit?
July 28, 2013 by Me

Physics
A 171-N child sits on a light swing and is pulled back and held with a horizontal force of 73.5N. The magnitude of the tension force of each of the two supporting ropes is?
December 5, 2011 by Kyle

math
you hav three boards and one board is 48" long .and the one board btween the top and bottom board is 2and 1/2" long. how many boards will it take to cover those 2 boads
March 15, 2012 by Anonymous

physics
A person is standning on the end of a diving board as shown. The diving board is held in place by two supports. The person has a mass of 60 kg. The diving board has a mass of 30 kg. The supports are 1.5m away from eachother. The diving board is 4m long, with the person on the ...
November 4, 2007 by Anonymous

physics
an amusement park ride consists of a rotating circular platform 7.4 m in diameter from which 10 kg seats are suspended at the end of 1.81 m massless chains. when the system rotates, the chains make an angle of 26.6 degree with the vertical. the acceleration of gravity is 9.8 m...
November 21, 2010 by vanessa

math
"a 6 ft adult has a shadow of 3.6 ft. long. How long is the shadow of a 5-ft child standing next to the adult"
November 10, 2010 by lb

Math
a 6 ft adult has a shadow 3.6 ft long. How long is the shadow of a 5 ft child standing next to the adult?
February 14, 2011 by Michael

math, algebra
Two expressions for calculating the drug dose for young children are: (2t^3 + t^2 -t)a / 48t^2 -24t and (3t^2 -2t)a / 3t^2 + 34t - 24 where t is the age of the child in years and a is the adult dose. If the adult dose for a pain killing drug is 250mg, then what is the dose to ...
January 2, 2012 by dominic

math
A triangular lot sits at the corner of two streets that intersect at an angle of 63 degrees. One street side of the lot is 35m and the other is 47m. how long is the back of the lot, to the nearest metre?
March 25, 2010 by deborah

physics
A boy carries a sack on one end of a very light stick that is balanced on his shoulder, at an angle of 22.0 degrees up from the horizontal. The mass of the sack is 7.00 kg, and it sits 1.20 m from his shoulder. If his hand is 0.350 m from his shoulder, on the other end of the...
June 16, 2010 by student

physics
A man who weighs 50.0 N stands 3.00 m from the right end of a board that is supported by two vertical cords attached to either end of the board. The board is 5.00 m long and weighs 10.0 N. What is the tension in each of the two cords?
November 7, 2010 by ashley

sound and hearing
An excited child in a campground lets out a yell. Her parent, 1.31 m away, hears it as a 89.3-dB sound. A climber sits 701 m away from the child, on top of a nearby mountain. How loud does the yell sound to the climber? (in dB) A: 34.731 dB this is my first question here :)I ...
November 20, 2012 by blent

math
a board is 17ft long and a hole is 1 ft futher from 1 end than it is from the other. How far is the hole from each end of the board shortest distance? Choices 6,8,10
June 13, 2012 by bobby

phsc
You have a choice,you may get hit head-on by either an adult moving slowly on a bicycle or by a child that is moving twice as fast on a bicycle.The mass of the child is-one-half that of the adult on the bicycle.Which collision do you prefer ?
June 26, 2012 by brandy

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