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April 16, 2014

Search: A 64.0 kg person stands on a lightweight diving board

Number of results: 40,833

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 ...
Sunday, November 4, 2007 at 11:55pm by Anonymous

physics
A 64.0 kg person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.20 m away from the end. The pillar at the end of the board exerts a downward force of 829 N. How far from the pillar at the end of the board is the person ...
Thursday, May 31, 2007 at 12:19pm by micole

physics please help!!
A diver stands on the end of a diving board as shown in the figure on the right. The mass of the diver is 58 kg and the mass of the uniform diving board is 35 kg. Calculate the magnitudes and directions of the forces exerted on the board at the points A and B. (A & B are 1 ...
Monday, March 24, 2014 at 7:11pm by Bobby

Physics
A diver stands on the end of a diving board as shown in the figure on the right. The mass of the diver is 58 kg and the mass of the uniform diving board is 35 kg. Calculate the magnitudes and directions of the forces exerted on the board at the points A and B. A and B are 1m ...
Monday, March 24, 2014 at 4:39pm by Bobby

Physics
Find the forces exerted by the two supports of a 4.0m, 50-kg diving board when a 60-kg woman stands at its end. The two supports are 0.8m apart. This time consider the mass of the diving board.
Sunday, June 24, 2012 at 2:08pm by J

physics
A diver of mass 68.9 kg stands at the end of a diving board of mass 24.5 kg and length L = 3.29 m. The diving board is supported at two locations, labeled A and B on the diagram. A and B are separated by a distance d = 0.74 m. Observe normal sign conventions for vertical ...
Wednesday, January 19, 2011 at 5:37pm by Sydney

Physics
A diver stands at rest at the end of a massless diving board as shown in Figure P8.16. (a) If the mass of the diver is 161 kg, and the board is 4 m long, what is the torque due to gravity on the diving board? I was thinking that T=Frsin(theta)... but I can't seem to get it ...
Tuesday, October 11, 2011 at 12:06am by Please Help!!!

physics
A diving board length = 6.00 m that weighs 210 N is supported by two pillars. One pillar is at the left end of the diving board, as shown below; the other is distance d = 1.60 m away.Find the magnitude of the force exerted by the left pillar when a 90.0 kg diver stands at the ...
Saturday, November 27, 2010 at 4:42pm by Cerra

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.
Tuesday, April 9, 2013 at 5:24pm by ash

Physics
A diver (mass = 75.0 kg) walks to the end of a flexible diving board. The end of the board bends down a distance of 0.55 m. The diver's weight on the diving board makes it behave like a spring. a) Determine the spring constant of the diving board. b) Calculate the diver's ...
Monday, January 14, 2013 at 4:50pm by Shanelle

AP Physics
A 45 kg gymnast steps off a platform located 1.3 m above a spring board. The spring board compresses 25 cm. a)What is the spring constant of the spring board? b) If energy is in fact conserved in this problem, explain how high the gymnast will spring upward. Assume the gymnast...
Sunday, October 21, 2012 at 11:06pm by Anna

physics 1
A 7.2 kg diver stands at the end of a diving board 2.80 meters from its support. calculate the magnitude of the torque cause by the diver on the board the point of support.
Tuesday, February 1, 2011 at 7:02am by dominic

Physics Help NOW!
A 64 kg woman stands on a very light, rigid board that rests on a bathroom scale at each end. She is 1.5m in on the 2m board. What is the reading on each of the scales in kg? Homework is almost due and I cant figure this out!!!!
Tuesday, August 2, 2011 at 5:20pm by collegechick

Physics
A diving board length 5.60m that weighs 250N is supported by two pillars. One pillar is at the left end of the diving board, as shown below; the other is distance 1.55m away . Find the magnitude of the force exerted by the left pillar when a 90.0kg diver stands at the far end ...
Wednesday, December 1, 2010 at 4:40am by ree

Phys help!!!!
A diving board length 5.60m that weighs 250N is supported by two pillars. One pillar is at the left end of the diving board,the other is distance 1.55m away . Find the magnitude of the force exerted by the left pillar when a 90.0kg diver stands at the far end of the board. ...
Wednesday, December 1, 2010 at 12:45pm by ree

Need help now Please!
A 64 kg woman stands on a very light, rigid board that rests on a bathroom scale at each end. She is 1.5m in on the 2m board. What is the reading on each of the scales in kg? Homework is almost due and I cant figure this out!!!!
Tuesday, August 2, 2011 at 6:07pm by Helppp

physical science
A 65 kilogram person stands on a diving board 15 meters above the water. figure the GPE. show formula and work
Sunday, September 18, 2011 at 9:18pm by Alexis

Science
A boy standing on a high diving board has a mass of 45 kg and a total gravitational potential energy of 2700 j. How high is the diving board? What is the answer to this question and how did you come up with the answer.
Monday, October 14, 2013 at 5:59pm by Nick

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 ...
Tuesday, January 20, 2009 at 3:53pm 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 ...
Monday, January 17, 2011 at 5:04pm 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 ...
Tuesday, January 20, 2009 at 9:10pm by bob

Physics
A swimmer runs horizontally off a diving board with a speed of 3.14 m/s and hits the water a horizontal distance of 2.16 m from the end of the board. How high above the water was the diving board?
Tuesday, February 16, 2010 at 3:03pm by Abby

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...
Tuesday, November 16, 2010 at 4:52pm by Sam

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...
Tuesday, January 20, 2009 at 7:20pm by bob

Physics
A 50.0 kg diver steps off a diving board and drops straight down into the water. The net force when in the water is an upward 1450 N. If the diver comes to rest 5.0 m below the water's surface, what is the total distance between the diving board and the diver's stopping point ...
Wednesday, March 9, 2011 at 7:35pm by Becky

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 ...
Thursday, December 9, 2010 at 11:05pm by rosie

physics
A 75.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1060 N. If the diver comes to rest 4.9 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Thursday, February 9, 2012 at 11:39pm by strugglemcgee

physics
A 62.9 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1350 N. If the diver comes to rest 4.3 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Monday, February 3, 2014 at 6:44pm by Anonymous

physics
A 71.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1110 N. If the diver comes to rest 4.1 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Wednesday, February 12, 2014 at 10:59pm by edgard

physics
A 51.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1370 N. If the diver comes to rest 4.6 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Saturday, January 26, 2013 at 9:31pm by TJ Cloward

Physics
A 55.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1320 N. If the diver comes to rest 5.8 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Thursday, November 21, 2013 at 7:00pm by Cami

AP Physics
A 67.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 4.7 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Monday, December 2, 2013 at 8:46pm by John

AP Physics
A 67.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 4.7 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
Monday, December 2, 2013 at 9:43pm by John

physics
Suppose a diving board with no one on it bounces up and down in a simple harmonic motion with a frequency of 3.00 Hz. The board has an effective mass of 10.0 kg. What is the frequency of the simple harmonic motion of a 62.0 kg diver on the board?
Sunday, July 28, 2013 at 9:43pm by Justin

Physics
A 50 kg diver steps off a diving board and drops straight down into the water. The water procides an upward average net force of 1500 N. If the diver comes to rest 5m below the water's surface, what is the total distance between the diving board and the diver's stopping point ...
Wednesday, February 28, 2007 at 8:31pm by Christy

physics
Calculate the torque about the front support of a diving board, exerted by a 70 kg person 3.0 m from that support. (Take the positive direction to be clockwise.)
Monday, January 17, 2011 at 11:08am by Bill

physics
A 70 kg painter is painting the wall of a building. He stands on a horizontal board of length 4.7 m and mass 15 kg, suspended from vertical ropes attached to each end. If the painter stands 2.0 m from one end of the board, what would the tensions in the ropes be? Near rope: ...
Saturday, December 11, 2010 at 4:43pm by devin

PHYSICS
A 58.3 kg diver steps o a diving board and drops straight down into the water. The water provides an average net force of resistance of 1596 N to the diver’s fall. The acceleration of gravity is 9.81 m/s2 . If the diver comes to rest 4.7 m below the water’s surface, what is ...
Saturday, October 18, 2008 at 9:58pm by MIKE HUNT

physics
A 42.1 kg diver steps off a diving board and drops straight down into the water. The water provides an average net force of resistance of 1559 N to the diver’s fall. If the diver comes to rest 4.1 m below the water’s surface, what is the total distance be- tween the diving ...
Thursday, November 22, 2012 at 9:32pm by scott

Physics
A diver of weight 730 N stands at the end of a diving board of length L = 5 m and negligible mass. The board is fixed to two pedestals separated by distance d = 1.5 m. What are the magnitude and direction of the force on the board from the left pedestal? (Include the sign. ...
Wednesday, October 28, 2009 at 8:14pm by Ray

algegra
a person jumps off of a 6 foot high diving board with an initial velocity of 13 feet per second. how many seconds does it take the person to hit the water?
Tuesday, May 14, 2013 at 8:14pm by amy

physics
Persons A and B are standing on a board of uniform linear density that is balanced on two supports, as shown in the figure. What is the maximum distance x from the right end of the board at which person A can stand without tipping the board? Treat persons A and B as point ...
Sunday, April 10, 2011 at 1:37pm by I need help

Physics
In the diagram below, how far from the end of the board can a 60 kg person walk before it will tip over? The mass of the board is 100 kg, and a 2-meter section of its 6-meter length hangs over the edge. Assume that the entire mass of the board acts at the center of the board.
Thursday, December 6, 2012 at 3:19pm by Austin J

Physics
A 80kg football player stands at the end of a uniform 8m, 50kg diving board supported as shown. Determine the forces exerted by the two supports.
Saturday, January 26, 2013 at 1:52pm by Kiffinee Smith

physics
a 500 N person stands on a uniform board of weight 100 N and length 8 m. the board is supported at each end. if the support force at the right end is three times that at the left end, how far from the right end is the person? please explain
Sunday, January 4, 2009 at 9:48pm by amanda

physics
A diver runs horizontally off the end of a diving board with an initial speed of 1.75 sec. If the diving board is 3.0 m above the water line, what is the diver’s speed just before she enters the water?
Tuesday, December 7, 2010 at 1:29pm by Ama

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 ...
Thursday, April 28, 2011 at 9:46pm by erin

Physics
A diver runs horizontally off the end of a diving board with an initial speed of 1.25 m/s. If the diving board is 3.20 m above the water, what is the diver's speed just before she enters the water? (Neglect air resistance.)
Monday, December 6, 2010 at 7:17pm by amv3WEBASSIGN

spanish
"What are you doing in the pool." "_____ in teh diving board." a. water skiing b. diving c. canoing d. sweing
Wednesday, June 10, 2009 at 8:54pm by y912f

physical science
A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has: Answer no energy. kinetic energy only. potential energy only. both kinetic and potential energy.
Saturday, September 10, 2011 at 12:05am by Allison

physics
A person jumps off a diving board 4.6 m above the water's surface into a deep pool. The person's downward motion stops 1.6 m below the surface of the water. Estimate the average deceleration (magnitude) of the person while under the water.
Monday, January 9, 2012 at 12:56pm by Anonymous

physics
(a) A bathroom scale has a spring that is compressed by 1.50 cm when a 165 kg person stands on the scale. Assuming the spring is described by Hooke's law, find its force constant. (b) How much would it be compressed if a 94.0 kg person stands on the scale in an elevator that ...
Sunday, July 28, 2013 at 12:56pm by Justin

Physics
A construction supervisor of mass M = 83.7 kg is standing on a board of mass m = 30.5 kg. The board is supported by two saw horses that are a distance of 4.50 m apart. If the man stands a distance x1 = 1.30 m away from saw horse 1 as shown, what is the force that the board ...
Monday, December 17, 2007 at 4:44pm by rory

physics
A construction supervisor of mass M = 83.7 kg is standing on a board of mass m = 30.5 kg. The board is supported by two saw horses that are a distance of 4.50 m apart. If the man stands a distance x1 = 1.30 m away from saw horse 1 as shown, what is the force that the board ...
Thursday, December 20, 2007 at 8:09pm by rory

science
a student stands at the edge of a diving board that is 3 m high. the student's weight is 350 N. what is the student's gravitational potential energy relative to the surface of the water?
Tuesday, January 11, 2011 at 5:53pm by kassandra

science
A student stands at the edge of a diving board that is 3 m high. The student's weight is 350 N. What is the student's gravitational potential energy relative to the surface of the water?
Tuesday, January 11, 2011 at 5:53pm by alexis

physics
A person jumps off a diving board 4.3 above the water's surface into a deep pool. The person's downward motion stops 2.1 below the surface of the water.
Wednesday, September 7, 2011 at 3:24pm by ed

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 ...
Wednesday, April 24, 2013 at 10:15pm by NaNa

holt physics
a 90.0 kg person stands 1.00 m from a 60.0 kg person sitting on a bench nearby. what is the magnitude of the gravitalional force between them?
Monday, May 17, 2010 at 9:21pm by tiera

physics
This is a sum of torque problem. T(left) = F(board)*Distance from left + F(person)*Distance left + F(right)*Distance from left = 0 T(right) = F(board)*dist from right + F(person)*dist from right + F(left)*distance from right. In reality, we are summing clockwise torques with ...
Tuesday, January 20, 2009 at 3:53pm by Matt

Physics
A diving board oscillates with simple harmonic motion of frequency 4.6 cycles per second. What is the maximum amplitude with which the end of the board can oscillate in order that a pebble placed there does not lose contact with the board during the oscillation?
Tuesday, May 1, 2012 at 8:48pm by Angelina

physics
A 83-kg worker clings to a lightweight rope going over a lightweight, low-friction pulley. The other end of the rope is connected to a 66-kg barrel of bricks. If the worker is initially at rest 16 m above the ground, how fast will he or she be moving when he or she hits the ...
Sunday, November 20, 2011 at 5:08pm by matt

math
a diving board is 4 feet above a pool that is 15 feet deep. The total length of a person's dive is 10 feet. How many feet below the surfac of the water did the person dive
Monday, August 6, 2012 at 7:44pm by joe

physics
bill steps off a 3.0-m-high diving board and drops to the water below. At the same time Ted jumps upward with a speed of 4.2 m/s from a 1.0-m-high diving board. choosing the origin to be at the water's surface and upward to be the positive direction, write x-versus-t equations...
Tuesday, November 22, 2011 at 7:43pm by taylor

Physics
A 67.0 kg person, standing on a diving board, dives straight down into the water. Just before striking the water, her speed is 5.50 m/s. At a time of 1.75 s after she enters the water, her speed is reduced to 1.10 m/s. What is the net average force (magnitude and direction) ...
Sunday, March 18, 2012 at 1:52pm by Foxxi

physics
A diver with a mass of 70.0 kg stands motionless at the top of a 3.0 m high diving platform. Calculate his speed when he enters the pool. Thanks so much for helping!
Sunday, March 4, 2012 at 8:16pm by Ryley

physics
You are on a diving board and jump up with a velocity of 4.2 m/s. After 1.5 s you land in the water. Assuming a acceleration of -10 m/s and neglecting air resistance: a) What is your impact velocity? b) How high is the diving platform?
Sunday, October 31, 2010 at 3:26pm by qw

College Algebra 2
The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84-kg person contains 64-kg of water. How many kg of water is in a 63-kg person?
Sunday, September 25, 2011 at 9:51pm by Francine

physics
A 50 kg diver leaps off the 20 meter diving board with a velocity of 5 m/s. What is his kinetic energy just before hitting the water?
Monday, November 5, 2012 at 12:21am by Kathy

physics
A person with a mass of 60kg climbs up to a diving board 4 meters above a swimming pool. what is the divers speed when entering the water? A 8.9m/s b 6.2m/s c 4.4m/s d 3.3m/s e 2.1 m/s
Wednesday, May 9, 2012 at 2:03am by neshia

Physics
A 90 kg person stands on the ground before jumping vertically upward. If momentum is truly conserved in all closed isolated systems, then the Earth-person system should conserve momentum. If the person jumps with a speed of 3.5 m/s, what is resulting speed of the Earth in the ...
Sunday, December 4, 2011 at 6:35pm by JuJu

physics
A man of mass 64.5 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 24.3 kg and is 3.6 m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the scaffold. What is ...
Sunday, October 12, 2008 at 11:19am by Sara

Physics
A man of mass 64.8 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 16.8 kg and is 3.9 m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the scaffold. What is ...
Monday, November 15, 2010 at 12:27am by Bella

Physics
A man of mass 64.8 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 16.8 kg and is 3.9 m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the scaffold. What is ...
Monday, November 15, 2010 at 10:42am by Bella

physics
A diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck position. After he leaves the diving board (with some unknown angular velocity), he pulls himself into a ball as closely as possible and makes 2.16 complete rotations in 1.31 s...
Tuesday, December 4, 2007 at 12:17pm by stephanie

physics
A diver runs and dives off the end of a spring board that is 0.9 meters above the surface of the water. As she takes off from the diving board, her velocity is 5.2 m/s directed 36° above horizontal calculate: a) the time she is in the air s b) the distance she lands from the ...
Monday, October 29, 2012 at 3:08pm by Mat

Math
At the start we had >64(400) kg of alcohol 100 kg were removed, so we had .64(300) left, adding 100 kg of water does not change that, so after 1st step, alcohol left is .64(300) of the 400 kg in the 2nd step the same argument can be applied so the amount of alcohol left is...
Tuesday, May 4, 2010 at 11:57pm by Reiny

Physical Science
A boy with a mass of 30 kg jumps off a 3 m diving board. How much kinetic energy does he have just before he hits the water? Answer none. 90 N. 900 J. 1800 J.
Sunday, September 11, 2011 at 7:07pm by Allison

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...
Monday, April 5, 2010 at 6:49pm by Anonymous

Physics
A 55 kg person stands on a scale in an elevator that accelerates downward at 3 m/s2. a) What is the scale reading? N b) What is the person's weight? N
Sunday, October 31, 2010 at 9:46am by applebottom

algebra
The number of kilograms W of water in a human body varies directly to the mass of body. A 96-kg person contains 64 kg of water. How many kilograms of water are in a 60-kg person?
Monday, June 10, 2013 at 9:49pm by Anonymous

physics
A large 62.0 kg board is propped at a 44 angle against the edge of a barn door that is 3.1 wide.How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board but that ...
Monday, May 14, 2012 at 7:46pm by emmie

physics
A large 62.0 kg board is propped at a 44 angle against the edge of a barn door that is 3.1 wide.How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board but that ...
Tuesday, May 15, 2012 at 2:40am by emmie

physics
why are lightweight tires preferred over lightweight frams in bicycle racing?
Tuesday, October 16, 2007 at 8:09pm by Linds

science
a person on roller skates stands next to a wall and pushes the wall with a force of 25 N.if the person has a mass of 50 kg what is the acceleration? a. zero b. 0.5 m/s/s c. 2 m/s/s d. 4 m/s/s
Sunday, July 13, 2008 at 4:27am by nora

physics problem
why are lightweight tires preferred over lightweight frams in bicycle racing?
Tuesday, October 16, 2007 at 9:42pm by Linds

physics
A 54.0 kg person takes a nap in a (lightweight) backyard hammock. Both ropes supporting the hammock are at an angle of 16.9° above the horizontal. Find the tension in the ropes.
Tuesday, March 22, 2011 at 3:11pm by mike

Physics
A person of mass 55 kg stands at the center of a rotating merry-go-round platform of radius 3.4 m and moment of inertia 670 kg·m2. The platform rotates without friction with angular velocity 1.0 rad/s. The person walks radially to the edge of the platform. (a) Calculate the ...
Sunday, January 23, 2011 at 11:25pm by Sierra

physics word problem
why are lightweight tires preferred over lightweight frams in bicycle racing?
Wednesday, October 17, 2007 at 10:18am by linds

physics
You stand on the end of a diving board and bounce to set it into oscillation. You find a maximum response in terms of the amplitude of oscillation of the end of the board when you bounce at frequency f. You now move to the middle of the board and repeat the experiment. Is the ...
Sunday, December 2, 2012 at 1:51am by lilly

physics- help please
A large 62.0 kg board is propped at a 44 degree angle against the edge of a barn door that is 3.1m wide.How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board ...
Tuesday, May 15, 2012 at 9:39pm by emmie

College Physics
A large 61.0 kg board is propped at a 45 degree angle against the edge of a barn door 2.9m wide. How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board but that...
Saturday, April 20, 2013 at 12:02am by Andrew

physics
A 48 {\rm kg} woman stands on a very light, rigid board that rests on a bathroom scale at each end, as shown in figure.
Thursday, May 31, 2007 at 12:19pm by aster

Physics
http://www.jiskha.com/search/index.cgi?query=A+man+of+mass+64.8+kg+stands+on+a+scaffold+supported+by+a+vertical+rope+at+each+end.+The+scaffold+has+a+mass+of+16.8+kg+and+is+3.9+m+long.+Suppose+the+man+stands+to+the+right+from+the+middle+of+the+scaffold+that+is+a+distance+one+...
Monday, November 15, 2010 at 10:42am by bobpursley

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?
Tuesday, April 20, 2010 at 1:46am by JP

physics
You jump from the end of a diving board that is 3 meters above the water. You spring upward from the end of the board with an initial velocity of 5 m/s. How long are you in the air? What is the speed as you hit the water? I need to know the steps in solving the problem. Thanks!
Friday, September 7, 2007 at 2:06am by Jaclyn

physics
Running at 2.0 m/s a 45.0 kg person collides with a 90.0 kg person who is traveling at 7.0 m/s in the other direction. Upon collision, the 90 kg person continues to travel forward at 1.0 m/s. How fast is the 45 kg person knocked backwards?
Tuesday, November 29, 2011 at 10:00pm by Jane

physics
A lead ball is dropped into a lake from a diving board 5.24 m above the water. It hits the water with a certain velocity and then sinks to the bottom with this same constant velocity. It reaches the bottom 4.86 s after it is dropped. (Assume the positive direction is upward...
Monday, September 7, 2009 at 7:27pm by Nick

physics
A lead ball is dropped into a lake from a diving board 5.24 m above the water. It hits the water with a certain velocity and then sinks to the bottom with this same constant velocity. It reaches the bottom 4.86 s after it is dropped. (Assume the positive direction is upward...
Monday, September 7, 2009 at 10:09pm by Nick

geography
diving board?
Sunday, February 28, 2010 at 4:16pm by Ms. Sue

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