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April 24, 2014

Search: a girl of mass 40kg is skating at a constant speed of 1 m/s.suppose she doubles her speed,what will be the change in her kinetic energy?

Number of results: 22,596

Physics
A boy throws a 4-kg pumpkin at 8m/s to a 40kg girl on roller skates, who catches it. At what speed does the girl then move backwards?
Thursday, December 31, 2009 at 12:09pm by Aly

Physics - Another Question
"Two girls, one of mass 40kg and the other of mass 60kg, are standing side by side in the middle of a frozen pond. One pushes the other with a force of 360N for 0.10s. The ice is essentially frictionless. What is each girl's acceleration?"
Monday, July 12, 2010 at 4:18pm by Stuck

physics
a 40kg girl climbs a vertical ladder at .5 m/s. what is her power output?
Monday, November 7, 2011 at 4:37pm by jill

Physics
A 65kg boy and his 40kg sister, both wearing roller blades, face each other at rest. The girl pushes the boy hard, sending him backwards with a velocity of 2.9m/s towards the west. Ignore friction. What is the minimum amount of chemical energy is converted into mechanical ...
Thursday, April 7, 2011 at 1:14am by Hadeel

physics
A 38 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 16 m apart bu connected by a rope of negligible mass. The girl exerts a horozontal 4.7 force on the rope. (a) What is the acceleration of the girl? m/s2 (b) What is the acceleration of the sled? m/s2...
Thursday, December 11, 2008 at 4:55pm by johnny

physics
A girls sits on a tire that is attached to an overhanging tree limb by a rope. The girl's father pushes her so that her centripetal acceleartion is 3.8 m/s2. If the length of the rope is 3.3 m, a) what is the girl's tangential speed? b) If the magnitude of the force that ...
Thursday, November 18, 2010 at 7:36pm by Devon

English
1. The girl is aged 13. 2. The girl is 13. 3. The girl is 13 years old. 4. The girl is at the age of 13. 5. the girl is at age 13. (Are they all grammatical and the same? Is #1 correct?)
Thursday, October 7, 2010 at 7:11pm by rfvv

PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp
A girl of mass (Mg) is standing on a plank of mass (Mp). Both are originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the plank at a constant velocity (vgp) to the right relative to the plank. (The subscript gp ...
Tuesday, February 26, 2013 at 2:00am by Rrjey

Physics
Three children are trying to balance on a seesaw, which consists of a fulcrum rock, acting as a pivot at the center, and a very light board 6.0 long . Two playmates are already on either end. Boy A has a mass of 50 , and girl B a mass of 35 . Where should girl C, whose mass is...
Thursday, November 18, 2010 at 8:59pm by Kyla

science
a young girl with a mass of 46 kg is hanging motionless from a tree branch. what is the net force on the girl
Sunday, December 5, 2010 at 1:54pm by grayson

physics
a ring rotates ar 30rad/s and has a radius of 3m and a mass 0f 100kg. If a disk(mass=40kg and with a radius of 4m) is dropped on the ring so the centers are aligned, what will be the resulting rotational speed of the ring-disc combination?
Tuesday, June 29, 2010 at 2:32pm by jason

Physics
A mass of 60kg is on the edge of a plank. The Plank is 25 m long. There is a wedge 10 m from the 60 kg. Where would you position a 40kg so the plank would not rotate? If you placed the 40 kg at the end, where would you put a 10 kg mass to keep it balanced?
Monday, June 25, 2012 at 8:02pm by Terry

Physics
A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as 10m/s^2.
Sunday, February 26, 2012 at 1:41am by Igbekele

Physics
A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as 10m/s^2).
Sunday, February 26, 2012 at 1:42am by Igbekele

Physics
A girl having mass of 35 KG sits on a trolley of mass 5 KG. The trolley is given an initial velocity of 4 m/s by applying a force. The trolley comes to rest after travelling a distance of 16 m. (i) How much work is done on the trolley? (ii) How much work is done by the girl?
Tuesday, December 21, 2010 at 10:15am by Harshid

Phisics
An elastic cord vibrates with a frequency of 3.5Hz when a mass of 0.62kg is hung from it.What is its frequency if only 0.40kg hangs from it?
Tuesday, November 26, 2013 at 11:23pm by Daniela

Math
Please help! Suppose one girl saves $10 every week. Another girl already has $21 and saves $3 every week. Write and solve an equation to determine when the two girls will have the saved the same amount of money. So far I have these expression for each girl: one girl has 10w ...
Monday, December 17, 2007 at 7:24pm by Plse Help

MATHS
A three-tonne truck is allowed to have a gross mass (when fully loaded) of 7.5 tonnes. If it is carrying 0.5t of sand, 1.25t of brick and 4 bags of cement each weighing 40kg, what is the maximum extra mass which can still be placed on the truck before it is over-loaded? My ...
Thursday, January 21, 2010 at 5:13pm by DONNA

physics
two boys paul mass 60kg and john mass 40kg are standing on skateboards. They place their hands against each other and push away from each other so that they start to move in opposite direction. (a) if paul moves to the left with velocity of 0.8m/s.. Calculate john's velocity
Wednesday, April 18, 2012 at 2:51am by lebohang

physics
the wooden crate in the figure below has a mass of 40kg. How much horizontal force is needed to A. start it moving B. to keep it moving along the wood floor at a constant speed
Monday, October 19, 2009 at 7:45am by kheith

Physics
A 60 kg girl on a swing is pulled 1.5 meters back and then released. The girl oscillates at pi/3 radians per second. How far from equilibrium will the girl be in 4 seconds into the motion? How fast will she be moving at this location?
Tuesday, March 18, 2014 at 10:22pm by Sounders

chemistry
A cube of gold has a side length .050m. The mass of the cube is 2.40kg. What is the density of gold in g/cm cubed?
Thursday, October 13, 2011 at 5:28pm by caitlyn

force
A girl on roller skates accelerates at a rate of 2m/s2 with a force of 100N. is her mass F=ma m is mass in kg a is acceleration in m/s^2 F is in Newtons solve for m. A girl on roller skates accelerates at a rate of 2m/s2 with a force of 100N. what is her mass is when somthinh ...
Monday, October 23, 2006 at 9:34pm by vincent

Physics
a space-satellite mass of 600kg fires a rocket engine for 2 seconds expelling 40kg of exhaust gases at 350m/s. By how much will the speed of the capsule change? You may consider the initial relative velocities to be zero, but would it matter?
Thursday, April 26, 2012 at 10:34pm by Sarah

physics
A 38.3 kg girl and a 55.4 kg boy are on the surface of a frozen lake, 10.0 m apart. Using a rope, the girl exerts a horizontal 5.50 N force on the boy, pulling him toward her. Calculate the magnitude of the girl's acceleration.
Tuesday, February 28, 2012 at 4:14pm by meyer

physics
A 38.5 kg girl and a 57.0 kg boy are on the surface of a frozen lake, 10.0 m apart. Using a rope, the girl exerts a horizontal 5.55 N force on the boy, pulling him toward her. Calculate the magnitude of the girl's acceleration
Thursday, October 4, 2012 at 8:48pm by kay

physics
A girl 36 kg occupies a seat of a swing that this subject by two chains 20 m in length each. If someone drops the girl from an 8 m position below the highest of the swing. What strength exercises it on the girl when she passes through the point lower?
Wednesday, November 10, 2010 at 8:44pm by paul

physics
A girl 36 kg occupies a seat of a swing that this subject by two chains 20 m in length each. If someone drops the girl from an 8 m position below the highest of the swing. What strength exercises it on the girl when she passes through the point lower?
Wednesday, November 10, 2010 at 10:12pm by paul

fundamentals
A playground has its highest point 2.2m above the lowest point, and the slide is 4.9m long. If the average resistance to motion is one-fifth of the weight of the child(mass 40kg), find the speed at which the child reaches the bottom show working?
Wednesday, June 5, 2013 at 10:19pm by David

Physical Science
A 30 kg girl and a 25 kg boy face each other on friction-free roller blades. The girl pushes the boy, who moves away at a speed of 1.0 m/s. The girl speed is _______ m/s?
Friday, March 20, 2009 at 10:32am by Donna

physical science
a 30 kg girl and a 25 kg boy face each other on friction-free roller blades.the girl pushes the boy,who moves away at a speed of 1.0 m/s.the girl,s speed is _ m/s.
Friday, May 4, 2012 at 7:13pm by Anonymous

physical science
a 30 kg girl and a 25 kg boy face each other on friction-free roller blades.the girl pushes the boy,who moves away at a speed of 1.0 m/s.the girl,s speed is _ m/s.
Friday, May 4, 2012 at 7:28pm by Anonymous

math
in a family with two children, what are the probabilities of two boys, the first is a girl the second is a boy, neither is a girl, at least one girl, assuming that the birth of boys and girls is equally likely.
Wednesday, December 9, 2009 at 8:55pm by Justin

Physics
A woman stands at the center of a platform. The woman and the platform rotate with an angular speed of 4.00 rad/s. Friction is negligible. Her arms are outstreched, and she is holding a dumbbell in each hand. In this position the total moment of inertia of the rotating system...
Wednesday, March 21, 2007 at 12:28pm by CJ

Science
a 55 kh boy and 40 kg girl usa a rope while engaged in a tug-of-war on an icy frictionless surface. If the girl accelerates towards the boy at 5.1 m/s/s, what is the acceleration of the boy towards the girl. Thank You Did I not set this up for you last nite? What is it you do...
Saturday, December 30, 2006 at 6:55pm by leafprincess

engineering
a boy of mass 40kg is sliding down the spiral slide at a constant speed such that his position is measured by theta=(0.7t) rad and z=(-0.5t) m where t is in seconds. How do you find the components of forces Fr, Ftheta and Fz which the slide exerts on teh boy at the instant ...
Saturday, November 15, 2008 at 1:01pm by sarah

Physics
1.A race car has a mass of 707 kg. It starts from rest and travels 42.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it? 2.A 4430 kg helicopter accelerates upward at 2.2 m/s2. What lift force is exerted by the air on the ...
Friday, October 5, 2007 at 12:54pm by Lee

Math
In a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely? a. Both are boys.b. The first is a girl and the second a boy. c. Neither is a girl. d. At least one is a girl. I am questioning ...
Wednesday, November 4, 2009 at 5:29pm by Anonymous

English
1. The boy is arm wrestling the girl. 2. The boy is arem wrestling with the girl. 3. The boy is having an arm wrestle with the girl. 4. The boy is having an arm wrestling against the girl. 5. The boy is doing an arm wrestle with the girl. 6. The boy is doing an arm wrestling ...
Tuesday, May 29, 2012 at 4:53am by rfvv

Physics
For the first part of this question I got 12.12m/s B. With the help of a friend the boy measures the height to which the ball returns and finds it to be 5.2 meters. How fast was the ball moving when it left the ground? I wrote this down mass of ball: 0.40kg height if house: 7....
Tuesday, October 23, 2012 at 1:38pm by Josh

PreAP Physics
Pam has a mass of 40Kg and she is at rest on smooth, level, frictionless ice. Pam Straps on a rocket pack. The rocket supplies a constant force for 22m and Pam acquires a speed of 62 m/s. A) What is the magnitude of the force? B) What is Pam's final Kinetic Energy?
Wednesday, November 30, 2011 at 11:17pm by Mandy

Physics -URGENT-
A 55 kg boy and a 37 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.4 m/s^2, determine the magnitude of the acceleration of the boy toward the girl in m/s^2
Sunday, October 6, 2013 at 2:55pm by Natalie

physics
Suppose a 65-kg boy and a 45-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
Wednesday, October 28, 2009 at 10:08pm by Liz

Physics
Suppose a 68-kg boy and a 40-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s^2, find the magnitude of the acceleration of the boy toward the girl.
Sunday, January 3, 2010 at 2:17pm by Sasha

Physics
Suppose a 68-kg boy and a 40-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
Tuesday, January 5, 2010 at 12:43pm by Sasha

physics
Suppose a 64-kg boy and a 49-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
Thursday, June 10, 2010 at 7:53am by Anonymous

science
A 63 kg boy and a 44 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 1.7 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl
Monday, September 12, 2011 at 12:53pm by jasmine

physics6
A 64-kg boy and a 42-kg girl use an elastic rope while engaged in a tug-of-war on an icy frictionless surface. If the acceleration of the girl toward the boy is 3.5 m/s2, determine the magnitude of the acceleration of the boy toward the girl.
Sunday, December 11, 2011 at 9:06pm by Hannah

PHYSICS
55 kg boy and a 37 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.4 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl in m/s^2
Sunday, October 6, 2013 at 12:00am by Natalie

physic
A 57 kg boy and a 42 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 3.4 m/s2, determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s2.
Wednesday, September 22, 2010 at 1:03pm by Wendia

Physics
A 57 kg boy and a 45 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 1.5 m/s2, determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s2
Sunday, October 14, 2012 at 5:51pm by Jessica

physics
A 58 kg boy and a 38 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 3.1 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s 2
Friday, September 13, 2013 at 11:38am by Shareka

Math
In a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely? a. Both are boys. b. The first is a girl and the second a boy. c. Neither is a girl. d. At least one is a girl. I was wondering ...
Wednesday, November 18, 2009 at 5:32pm by Punkie

Physics
A child riding a bicycle has a total mass of 40kg. The child approaches the top of a hill that is 10m high and 100m long at 5m/s. If the force of friction between the bicycle and the hill is 20N, what is the child's velocity at the bottom of the hill? (Assume no air resistance...
Sunday, November 15, 2009 at 7:41pm by Monique

AP CALCULUS
A girl is flying a kite at a height of 320 ft. If the wind blows the kite horizontally at a rate of 15 feet per second away from the girl, at what rate is the girl releasing the string when the length of the string is 400 ft? [kite] <---15 ft/sec . . . . . . . . . . . . 320...
Saturday, November 6, 2010 at 9:03pm by Naz

English
e.g. Who is the girl with glasses? 1. Who is the girl holding glasses? 2. Who is the girl wearing glasses? (What does e.g. mean? #1 or #2?)
Wednesday, March 13, 2013 at 10:18pm by rfvv

physics
if a train is travelling with a speed equal to light and a girl is running inside it in the way the train is running.an observer see the girl from outside running.what is the speed of the girl AND WHY??
Monday, June 25, 2012 at 11:31pm by mukul bawa

physics
a girl lifts a 100 N load a height of 2.0 m in a time of 0.5 s. what power does the girl produce?
Wednesday, December 15, 2010 at 12:16pm by Anonymous

english
what is girl in this sentence Sarah is a very smart young girl with a bright future.
Wednesday, March 13, 2013 at 4:13pm by John

Science
What is th weight on earth of a girl with a mass of 30 kg?
Tuesday, January 5, 2010 at 11:17pm by Janise

english
what is girl in this sentence Sarah is a very smart young girl with a bright future. Is it a predicate nominative
Wednesday, March 13, 2013 at 4:19pm by John

english
could you please tell me the distinction between small girl and smaller girl 2.aunt and aunty/auntie
Thursday, November 21, 2013 at 1:34pm by r s talagathoty

Physics
A block of mass m = 3.40kg and charge q = 1.50C is on an incline plane that makes an angle = 33.0o with the horizon. An applied electric field is parallel with the incline as shown in the above diagram. What must the value of the applied electric field be to keep the block ...
Thursday, January 17, 2013 at 5:44pm by Tim

physical science
a 500-N girl has a mass of ? and a weight of ?
Tuesday, September 4, 2007 at 7:15pm by tana

physics
What is the weight on earth of a girl with a mass of 30kg?
Friday, March 20, 2009 at 9:21pm by danny

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?
Sunday, September 11, 2011 at 4:28pm by Help

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?
Sunday, September 11, 2011 at 6:39pm by Jason

alphabetizing
what comes first girls or girl's? girl
Monday, December 11, 2006 at 4:58pm by brandon

English
Describe the girl in each picture. How does she look? She looks happy in the first picture. What about the girl in Picture 2? I think she looks angry or upset. Then what about the girl in the last picture? She looks surprised. Good job! (Would you check the passage above? Are ...
Friday, July 2, 2010 at 6:54am by rfvv

physics
A 45 kg boy is holding a 12 kg pumpkin while standing on ice skates on a smooth frozen pond. The boy tosses the pumpkin with a horizontal speed of 2.8 m/s towards a 37 kg girl who catches it. The girl is also wearing ice skates. What are the final speeds of the boy and the girl?
Monday, March 3, 2014 at 8:58pm by Hal

physics
Two children float motionlessly in a space station. The 20-kg girl pushes on the 40-kg boy and he sails away at 1.0m/s. What happens to the girl?
Tuesday, October 11, 2011 at 9:03pm by Anonymous

physics
A 39-kg girl standing at rest on slippery (frictionless) ice throws a 10-g ball forward with a speed of 10 m/s. Just afterward, the girl will
Friday, February 3, 2012 at 12:52pm by Emily

physical science
How many joules of heat are required to melt 40kg of ice at o degrees celcius?
Thursday, October 2, 2008 at 5:36pm by Rosemary

Physcial science
How many joules of heat are required to melt 40kg of ice at 0 degrees celsious?
Monday, November 3, 2008 at 5:53pm by Jordan

odds of...
Does anyone know the odds of having Two girls as children as opposed to two males or one male and one female? I say it is 25 percent but my friend says it is 33.3 percent. Can anyone clarify? Thanks! You are correct. Assuming tht boy and girls are equally probable each time, ...
Monday, August 8, 2005 at 1:09am by Lynn

Physics
Two girls are at the same point on one side of a river that is 40m wide with a current flowing at 1.00m/s. Simultaneously, the dive into the water in an attempt to swim to the other bank of the river directly across from where they started. Both swim at 2m/s relative to the ...
Sunday, March 20, 2011 at 1:45pm by Mary

Science
A 55 kg boy and 40 kg girl usa a rope while engaged in a tug-of-war. If the girl accelerates towards the boy at 5.1 m/s/s, what is the acceleration of the boy towards the girl? The force on the rope is the same both ways. Forceonrope=massgirl*accelerationgirl solve for the ...
Friday, December 29, 2006 at 7:19pm by leafprincess

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward? *I dont understand how to work them*
Sunday, September 11, 2011 at 10:07pm by Jason (please help)

science
A 80.0 kg girl lowers herself to the ground from a height of 11.6 m by holding onto a rope running over a pulley to a 56.0 kg sandbag. What is the magnitude of the acceleration of the girl?
Wednesday, October 19, 2011 at 8:57pm by Alex

physics
A girl sitting on a merry-go-round 1.50 m from the center moves counterclockwise. If the girl's angular displacement is 1.67 rad, what is the arc length through which she moved?
Tuesday, February 21, 2012 at 12:16pm by Anonymous

7th grade science
Write a pedigree in which there are parents and 4 children, 1 girl and 1 boy are color blind and the other girl and boy are not. I HAVE A FEW QUESTIONS- ?- For a girl to be colorblind does her mother have to be colorblind too or just a carrier?her father? ?- If two people are ...
Monday, January 4, 2010 at 5:23pm by kendall

physics
A man pushes a packing case of total mass 40kg across a floor at a constant speed of 0.5m/s by exerting a horizontal force of 100N what is the resultant force on the case how big was the force of friction acting on the case how much work was done in 3s what is the Ek into what...
Thursday, April 11, 2013 at 9:27am by gngraqn

Literature Opinion Please Read
I need your opinion on something. If you are a boy please refer to a girl. If you are a girl please refer to a boy. Ok now if you are doing a play for Romeo and Juliet and you had the opposite gender would you sound like yourself or would you try to sound like a girl or boy. ...
Wednesday, February 25, 2009 at 8:34pm by Kiki

Math
A girl lets out 50 yards of kite string while flying a kite. The distance from a point on the ground directly under the kite to where the girl is standing is 30 yards. If the girl holds the string 3 feet from the ground,how high is the kite? Assume the string is tight.
Tuesday, February 8, 2011 at 9:41pm by Monica

science
a girl on a motorbike passes by at a speed of 15 m/sec.her mass is 40 kg. what is the kinetic energy
Sunday, September 19, 2010 at 7:38pm by sergio

Latin
Do these make sense for beginner sentences? Umbra terret Puellam The ghost scares the girl* Puella conspicit puerum The girl catchs sight of the boy*
Friday, August 30, 2013 at 3:52pm by Bryce

English
Posted by rfvv on Thursday, October 7, 2010 at 12:07am. 1. You are a girl aged between 13 and 19 years old. (Which one is missing between 'girl' and 'aged'? is #1 from #2?) 2. You are a girl who is aged between 13 and 19 years old. English - MattsRiceBowl, Thursday, October 7...
Thursday, October 7, 2010 at 4:43am by rfvv

commas and run on sentences
Question 5 Identify the correctly punctuated sentence below. His hair was oiled and slick, as a result, the girl found him unattractive. His hair was oiled and slick; as a result, the girl found him unattractive, she left without a word. His hair was oiled and slick; as a ...
Wednesday, April 21, 2010 at 11:02pm by christopher

physics
A child on a beach kicks a beach ball, giving it an initial velocity of 4.0 m/s. It was sitting on the ground when given the kick. The ball lands on the beach 5m away and closer to the ocean, with a speed of 1.6m/s just before it hits. the final landing place is 1.2 m lower ...
Monday, November 7, 2011 at 8:32pm by bec

English
Are these sentences grammatically correct? The girl got married in 2010 and had one child, Sara Lee, afterwards. The girl went from being a cashier to a millionaire.
Wednesday, June 1, 2011 at 5:47pm by Nany

French - SraJMcGin/Frenchy
Aimes-vous peinture " Girl before a Mirror - Picasso? Pourquoi ou pourquoi pas? English: [Yes I like the painting "Girl before a Mirror by Picasso because it is really colorful, and the reflection of the girl is something totally different, its strange but cool at the same ...
Friday, April 1, 2011 at 9:11pm by Karley

physics
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. The girl, boy and the sled have a mass of 160 kg. The coefficient of static friction is 0.28 and the coefficient of kinetic friction is 0.14 between the ...
Tuesday, December 11, 2012 at 11:02pm by Anonymous

physics
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. The girl, boy and the sled have a mass of 160 kg. The coefficient of static friction is 0.28 and the coefficient of kinetic friction is 0.14 between the ...
Tuesday, December 11, 2012 at 11:02pm by Anonymous

Poem: Young by Anne Sexton
Could you check these answer thanks so much 1. How do you think the girl in "Young," feels about where she is in her life. Answer: The girl wonders what is coming next in her life because she is full of questions about what's her future going to be like. The girl was looking ...
Saturday, January 24, 2009 at 9:44pm by Crystal

Physics - Forces
A 42kg girl jumps on a trampoline, after stretching to its bottom limit; the trampoline exerts an average upward force on the girl over a diplacement of 0.50m. During the time that the trampoline is pushing her up, se experiences an average acceleration of 65.0m/s^2. Her ...
Tuesday, August 24, 2010 at 12:03am by Shaila

grammer
Is this grammatically correct? "I was surprised by the similarities that arose between the young fictional girl and I." or is it "...fictional girl and myself?"
Thursday, May 28, 2009 at 6:26pm by Anonymous

grammar
"I was somewhat fascinated by the similarities that arose between a particular fictional girl and me." or is it "...the fictional girl and myself?"
Saturday, November 28, 2009 at 6:05pm by helen

physics
A girl throws a water-filled balloon at an angle of 50.0 degree(s) above the horizontal with a speed of 12.0 m/s. The horizontal component of the balloon's velocity is directed toward a car that is approaching the girl at a constant speed of 8.00 m/s. (See figure) (a) If the ...
Thursday, May 17, 2012 at 6:39pm by Angel

Physics
A 60.0 kg girl stands up on a stationary floating raft and decides to go into shore. She dives off the 180 kg floating raft with a velocity of 4.0 m/s [W]. Ignore the substantial friction real objects in water experience. a) What is the momentum of the girl as she is diving? b...
Tuesday, November 10, 2009 at 6:26pm by Jon

health
can anyone find me a chart or something that tells me the average weight that a girl a certain height should be? thanks I'm waiting for it to load. Hold on Body Mass Index Chart Calculate your body Mass Index BMI
Friday, June 22, 2007 at 12:10pm by jamie

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