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November 28, 2014

Search: A girl on a playground swing makes a complete to-and-fro swing each 2 seconds. The frequency of swing

Number of results: 20,551

Physics
1) A child on a playground swing makes a complete to-and-fro swing each 2 seconds. The period is: 0.5 Seconds 2 Seconds I think the answer is 2. Am I correct? 2) The period of a 440 Hertz sound wave is ___ seconds. 1/440 440 I think the answer is 440. Am I correct?
December 18, 2009 by Hannah

Science
1. A girl on a playground swing makes a complete to-and-fro swing each 2 seconds. The frequency of swing is 1. (0.5 hertz) 2. (1hertz) (ANSWER) 3. (2 hertz) And the period is (FROM THE QUESTION BEFORE) 1. (0.5 seconds) (ANSWER) 2. (1 second) 3. (2 seconds) 2. The period of a ...
January 23, 2010 by Sam

Vibration and Waves
1. A girl on a playground swing makes a complete to-and-fro swing each 2 seconds. The frequency of swing is 1. (0.5 hertz) 2. (1hertz) (ANSWER) 3. (2 hertz) And the period is (FROM THE QUESTION BEFORE) 1. (0.5 seconds) (ANSWER) 2. (1 second) 3. (2 seconds) 2. The period of a ...
January 24, 2010 by Sam

physics
A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion
February 22, 2012 by Kasey

Pre Calc
simon goes to the playground to play on the swings. The length of each swing is 1.75m. What is the distance travelled on one swing, from max height to the next max height if the central angle of the swing is 1.4 rad?
April 15, 2013 by Dano

algebra
Time to swing. The period T (time in seconds for one complete cycle) of a simple pendulum is related to the length L (in feet) of the pendulum by the formula 8T^2=n ^2 L. If a child is on a swing with a 10 foot chain, then how long does it take to complete one cycle of the ...
July 15, 2010 by paul

Music
Isn't "In a Mellotone" an example of big band swing or small group swing? I thought it was big band swing but was told otherwise that it wasn't. Can anybody clarify. It is big band swing. Count Basie, Duke Ellington had this tune as mainstays. They represent Big Band Swing Jazz.
December 2, 2006 by Sarah

physics
Kelli weighs 392 N, and she is sitting on on a playground swing that hangs 0.4 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.1 m above the ground. If Kelli moves through the lowest point at 1.5 m/s, how much work was done on the swing by ...
April 23, 2013 by James

physics
Kelli weighs 392 N, and she is sitting on on a playground swing that hangs 0.4 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.1 m above the ground. If Kelli moves through the lowest point at 1.5 m/s, how much work was done on the swing by ...
April 23, 2013 by James

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?
November 10, 2010 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?
November 10, 2010 by paul

Physics
Betty weighs 427 N and she is sitting on a playground swing seat that hangs 0.22 m above the ground. Tom pulls the swing back and releases it when the seat is 0.88 m above the ground. The acceleration of gravity is 9.8 m/s2. Betty is moving 3.5967 m/s when the swing passes ...
February 20, 2013 by josh

math
A pendulum swings through an angle of 14 degrees each second. If the pendulum is 17cm in length and the complete swing from right to left lasts 3 seconds, what area is covered by each complete swing?
March 19, 2013 by Katelyn

Math
The formula l=8t^2/pi^2 represents the swing of a pendulum. In this formula, l is the length of the pendulum, in feet, and t is the time, in seconds, it takes to swing back and forth once. Whst is the length of a pendulum that makes one swing in 2s? Please help!! Thank you for...
October 29, 2014 by Cherie

Physics
A 35kg child is swinging on a swing with length 2.8m to the bottom of the seat. At the highest point of the swing, the rope makes an angle of 42 degrees from vertical. Calculate the speed of the child at the bottom of the swing. Assume no thermal energy is created. Calculate ...
April 5, 2013 by John

programming
Application: Pendulum Clocks Pendulums used in clocks, such as grandfather clocks, keep fairly accurate time for the following reason: When the length of a pendulum is large compared with the maximum arc of its swing, the time to complete one swing is independent of both the ...
October 4, 2012 by fatih

physics
A bird perched on a swing the sits 8 cm below a bar has a mass of 52 g, and the base of the swing has a mass of 153 g. The swing and bird are originally at rest, and then the bird takes of horizontally at 2 m/s. How high will the base of the swing rise above its original level...
March 20, 2007 by Mischa

Physics
Betty weighs 449 N and she is sitting on a playground swing seat that hangs 0.55 m above the ground. Tom pulls the swing back and releases it when the seat is 0.76 m above the ground.The acceleration of gravity is 9.8 m/s^2. How fast is Betty moving when the swing passes ...
March 18, 2013 by Anonymous

College Physics
Tarzan spies a 35kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 4.0 s after beginning his swing, at which time his vine makes a 12 degree angle with the vertical. (a) How long is Tarzan...
October 26, 2007 by Jen

physics
Two parakeets sit on a swing with their combined center of mass 15.0 cm below the pivot. At what frequency do they swing?
July 28, 2013 by Justin

blair
Sitting motionless on a playground swing. The downward force is 500 n. How much force is there on each of the two swing chainsv
April 27, 2011 by maria

Physics
Betty weighs 427 N and she is sitting on a playground swing seat that hangs 0.22 m above the ground. Tom pulls the swing back and releases it when the seat is 0.88 m above the ground. The acceleration of gravity is 9.8 m/s2. How fast is Betty moving when the swing passes ...
February 20, 2013 by brian

Physics
A baby turtle swings on a playground swing. If his turtle mom comes and sits with him, the period of the swing's oscillation will: a.Increase b.Decrease c.Stay the same
November 3, 2012 by StressedStudent

Physics
At the lowest point in its swing, a 2.5 kilogram pendulum bob has 40 Joules of kinetic energy. How high will its swing when it reaches the highest point in its swing?
March 3, 2012 by Tracy

physics
A young girl is on a swing that completes 20.0 cycles in 25 seconds. What are its frequency and period?
March 14, 2012 by ana loren

math
The period T (time in seconds for one complete cycle) of a simple pendulum is related to the length L (in feet) of the pendulum by the formula 8T^2=Pi^2L. If a child is on a swing with a 10-foot chain, then how long does it take to complete one cycle of the swing?
July 18, 2010 by R

math
The period T (time in seconds for one completecycle) of a simple pendulum is related to the length L(in feet) of the pendulum by the formula8T^2=pi^2L. If achild is on a swing with a 10-foot chain, then how longdoes it take to complete one cycle of the swing?
March 18, 2009 by Debbie

Algebra 2
Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99 cm. a.)On which swing ...
February 25, 2013 by Mia

Algebra 2
Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99 cm. a.)On which swing ...
March 7, 2013 by Amber

Physics
A 21-kg child swings on a playground swing 3.4 m long. What is the period of her motion? If her brother, who weighs twice as much as she does,rides on the swing instead, what is the period of the motion?
December 11, 2009 by Nicole

physics
A child swinging on a swing set hears the sound of a whistle that is being blown directly in front of her. At the bottom of her swing when she is moving toward the whistle, she hears the higher pitch, and at the bottom of her swing, when she is moving away from the swing she ...
March 3, 2011 by Trace

PHYSICS
At he lowest point in its swing, a 2.5 kilogram pendulum bob has 40 joules of kinetic energy. How high will it swing when it reaches the highest point in its swing? 40/2.5 x 9.8 = 1.63 joules
March 6, 2012 by GRISSELL

physics
a 1.00 kg pendulum bob is released from a height of .200m. its speed at the bottom of its swing is 1.95m/s on the first pass. how much energy is lost due to friction during one complete swing?
February 6, 2013 by Anonymous

Calculus
After Lee gives his little sister Kara a big push on a swing, her horizontal position as a function of time is given by the equation x(t)= 3cost(e^-0.05t), where x(t) is her horizontal displacement, in metres, from the lowest point of her swing, as a function of time, t, in ...
April 21, 2010 by Danielle

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
A swing sits 5 m above the ground when it is still. John lifts the swing and releases it. At its lowest point, its velocity is measured to be 5.53 m/s. How high above the ground did John lift the swing?
October 21, 2014 by lisa

lgebra
the time T in second for a pendicular of length L feet to make one swing is given by t =2pie square root L over 40 How long is the perpendicular if it makes 1 swing in 1.9 second use 3.14
February 18, 2014 by beverly

Calculus
A pendulum swings through an arc length of 1120 cm (Swing #1). With each further swing, the arc length is reduced by 15 % State the growth factor. Calculate the length of the arc in swing #5 I think im supposed to use this formula again, but I dont know how to use it. Tn = ar^n-1
September 21, 2011 by Anonymous

physics
The string in the Figure is L = 135.0 cm long and the distance d to the fixed peg P is 94.5 cm. When the ball is released from rest in the position shown, it will swing along the dashed arc. How fast will it be going when it reaches the lowest point in its swing? How fast will...
February 22, 2012 by Katie

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?
March 18, 2014 by Sounders

Physics
A patio swing is suspended by two springs, each of which has a force constant of 415 N/m, equivalent to a single spring force constant of 830 N/m. Find the mass of a person sitting on the swing oscillating up and down at a frequency of 0.590 Hz. Please HELP!
January 24, 2013 by Mike

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 ...
January 3, 2011 by Anonymous

Calculus Hard Question
A pendulum swings through an arc length of 1120 cm (Swing #1). With each further swing, the arc length is reduced by 15 % State the growth factor. Calculate the length of the arc in swing #5 I think im supposed to use this formula again, but I dont know how to use it. Tn = ar...
September 21, 2011 by Anonymous

Physics
you swing a 2.2 kg stone in a circle of radius 75 cm. At what speed should you swing it so its centripetal acceleration will be 9.8 m/s^2 a rad = V^2 / R now i know R = 75 cm what do I put for V^2
June 4, 2009 by Sarah

physics
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s^2?
February 2, 2011 by mely

physics
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s^2?
February 2, 2011 by andrea

physics
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s^2?
February 2, 2011 by andrea

ipc
your brother and you decide to swing and u push him and he reahed a max speed of 15m/s how high is he a his highest point on the swing?
November 10, 2011 by cort

physics
A swing is drawn to the side 3m from its equilibrium position and released. The swing is 2m on the other side of the equilibrium position 1.64s later. Find the angular frequency of the SHM.
May 29, 2014 by zb

Pre cal part 2
Simon decides to swing higher. If the distance travelled on one swing is 3.5 m what would be the central angle in degrees?
April 15, 2013 by Dano

PHYSICS - PLEASE HELP
A 1.00 kg pendulum bob is released from a height of 0.200 m. Its speed at the bottom of its swing is 1.95 m/s on the first pass. How much energy is lost due to friction during one complete swing of the pendulum? I get Ep=mgh 0.2*9.8*1 =1.96 then i get Ek=1/2mv^2 1/2*1*1.95^2...
March 20, 2013 by Manboob

math
in a survey of 260 dancers: 172 knew the ballroom dances 145 knew latin dances 102 knew swing dances of these, 65 knew the ballroom and swing dances. 93 knew ballroom and latin dances 56 knew latin and swing dances 31 dancers indicated they knew all 3 styles of dance 1. how ...
February 22, 2011 by Shan

Math
11. In a survey of 260 dancers, 172 knew the ballroom dances, 145 knew the Latin dances, and 102 knew the swing dances. Of these, 65 knew the ballroom and swing dances, 93 knew the ballroom and Latin dances, and 56 knew the Latin and swing dances. Thirty-one dancers indicated...
April 8, 2011 by Debbi

math
A golf ball is to be hit 300 yards straight to make a hole in one. Having only played miniature golf, your first swing makes the ball skew 50 yards N 30 W. Trying to get back on track, the second shot goes 80 yards N 35 E. Now you are very upset with this game and you swing ...
January 23, 2014 by Carmen

Science
Pendulum question: What factors determine the swing rate of a pendulum? prediction: ? I don't get it, It says write a prediction about what factor(s) you think will affect the swing rate and how these factor(s) might affect the swing rate.
February 3, 2010 by Sara

physics
The rope of a swing is 3.2 m long. Calculate the angle from the vertical at which a 95-kg man must begin to swing in order to have the same kinetic energy at the bottom as a 1500-kg car moving at 1.07 m/s (2.39 mi/hr).
March 11, 2012 by Katie

physics
The rope of a swing is 3.1 m long. Calculate the angle from the vertical at which a 77-kg man must begin to swing in order to have the same kinetic energy at the bottom as a 1430-kg car moving at 1.05 m/s (2.35 mi/hr).
November 5, 2014 by Jina

Physics
A child of mass 40.0 kg is swinging on a swing with ropes of length 4.0 m. How long does it take the child to swing from the maximum height on one side to the other?
February 5, 2011 by Dave

physics
if the angular speed of earth becomes 17times its present value what will be the 1.effect on a body on the equator of earth? it will be A. Heavier than present value B.lighter than present value C.weightless And also what is the reason? 2.a girl sitting on a swing stands up. ...
March 1, 2013 by edward

physics
if the angular speed of earth becomes 17times its present value what will be the 1.effect on a body on the equator of earth? it will be A. Heavier than present value B.lighter than present value C.weightless And also what is the reason? 2.a girl sitting on a swing stands up. ...
March 1, 2013 by edward

physics
luke skywalker must swing princess leia across a large chasm in order to escape the storm troopers. IF luke and leia's combined mass is 145 kg calculate the tension in the rope just before luke and leia start their swing when the pair makes an angle of 30.0 with the vertical/
October 11, 2007 by confuseedd and do not like physics

PHYSICS
A 27.0 kg child on a 3.00 m long swing is released from rest when the swing supports make an angle of 31.0 with the vertical. Neglecting friction, find the child's speed at the lowest position.
November 10, 2010 by clueless

physics
Draw the figure, and calcuate the height above the bottom point the swing starts. (I remember it as 2.3(1-cos25)). the initial energy is mg*height. The final energy is 1/2 m v^2 The difference is frction. A 49 kg child on a 2.3 m long swing is released from rest when the swing...
February 28, 2007 by bobpursley

Physics
A particle of mass m = 3.04kg is suspended from a fixed point by a light inextensible string of length = 1.11m. You are required to determine the relationship between the period of swing and the length of the pendulum. For small angle approximation, sin . Calculate the...
April 6, 2012 by Anonymous

Physics
You swing one yo-yo around your head in a horizontal circle. Then you swing another yo-yo with twice the mass of the first one, but you don't change the length of the string or the period. How do the tensions in the strings differ?
April 21, 2010 by David

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
At what point in the swing of a pendulum is the maximum amount of the ball's motion transferred to the object it hits? (I think it's at its lowest swing point but I'm not completely sure.) And what does this "kinetic energy" depend on?
November 27, 2011 by Cicilia

Physics
Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. Their velocity at launch was 8.00 m/s and the angle of their initial velocity relative to the horizontal was 46.0 degrees upwards. At the top of their trajectory, their act calls for them to...
October 26, 2012 by Jeff

Physics
HELP ! Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. Their velocity at launch was 8.00 m/s and the angle of their initial velocity relative to the horizontal was 46.0 degrees upwards. At the top of their trajectory, their act calls for ...
October 27, 2012 by Hau

Physics/Science
At what point in the swing of a pendulum is the maximum amount of the ball's motion transferred to the object it hits? (I think it's at its lowest swing point but I'm not completely sure.) And what does this "kinetic energy" depend on?
November 27, 2011 by Linda

Physics/Science
At what point in the swing of a pendulum is the maximum amount of the ball's motion transferred to the object it hits? (I think it's at its lowest swing point but I'm not completely sure.) And what does this "kinetic energy" depend on?
November 28, 2011 by Cicilia

physics please help!!
Two acrobats, each of 78.0 kg, launch themselves together from a swing, holding hands. Their velocity at launch was 6.80 m/s and the angle of their initial velocity relative to the horizontal was 28.0 degrees upwards. At the top of their trajectory, their act calls for them to...
October 17, 2011 by archi

Trigonometry
A variant on the carousel at a theme park is the swing ride. Swings are suspeneded from a rotating platform and move outward to form an angle x with the vertical as the ride rotates. The angle is related to the radial distance,r, in metres, from the centre of rotation; the ...
November 13, 2014 by Vikki

physics
You and a friend are going to a river, where they have a rope swing. Your friend, who has a mass of 60 kg, hops on the end of the rope. You tug horizontally on your friend with a force of 300 N, pulling them back until you can't move them any more. Then you let go and watch ...
February 19, 2013 by can u please help me! please

Physics
You swing a 2.2 kg stone in a circle of radius 75 cm. At what speed should you swing it so its centripetal acceleration will be 9.8 m/s^2 so if i do a=w^2 R.... and i plug everything in so... 9.8 = w^2 (75) 9.8 (-75) = w^2 735 = w^2 Square root (735) and get 27.11 Is this ...
June 8, 2009 by Sarah

Physics
A swing is 2m long. how often do you need to push it to increase its swing's amplitude the most? L=2m When amplitude is the most KE=0 and PE is at its maximum. But i'm not completely sure how to solve this problem.
February 6, 2008 by Andrea

physics
A carnival swing is fixed on the end of an 7.7-m-long beam. If the swing and beam sweep through an angle of 100, what is the distance through which the riders move?
September 28, 2011 by Anonymous

phys1
A carnival swing is fixed on the end of an 7.6-m-long beam. If the swing and beam sweep through an angle of 130, what is the distance through which the riders move?
February 20, 2012 by jm

Physical Science
A pendulum has 343 J of kinetic energy at the lowest point in its swing. At the highest point in its swing, it has a height of 5 m. What is the pendulum's mass?
October 25, 2010 by Allen

physics
Interestingly, there have been several studies using cadavers to determine the moment of inertia of human body parts by letting them swing as a pendulum about a joint. In one study, the center of gravity of a 5.0 kg lower leg was found to be 18 cm from the knee. When pivoted ...
April 13, 2010 by zidd

physics
Child weighs 29 kg on a swing supported by two chains. Another child pulls swing back to the chains to make 30 degree angle with the vertical. What force is exerted by each chain
November 18, 2010 by anonymous

physics
How can I calculate a person's power when bowling? I am given the ball weight, time to swing, horizontal swing distance, time to roll down lane, and the lane's length.
March 24, 2013 by Shaniqua

College Physics
A pendulum is 0.50 m long and the bob has a mass of 1.0 kg. At the bottom of its swing, the bob's speed is 1.6 m/s. What is the tension in the string at the bottom of the swing?
September 25, 2009 by Megan

college physics
A pendulum is 0.9 m long and the bob has a mass of 1.0 kg. At the bottom of its swing, the bob's speed is 1.6 m/s. What is the tension in the string at the bottom of the swing
February 11, 2010 by kayla

Physics
Two acrobats, each of 50.0 kg, launch themselves together from a swing, holding hands. Their velocity at launch was 6.80 m/s and the angle of their initial velocity relative to the horizontal was 36.0 degrees upwards. At the top of their trajectory, their act calls for them to...
October 13, 2014 by zhang135

physics
A child's swing is held up by two ropes ties to a tree branch that hangs 13.0 degrees from the vertical. If the tension in each rope is 2.28 N, what is the combined forece (magnitude and direction) of the two ropes on the swing?
October 17, 2009 by Angel

physics
a child's swing is held up by two ropes tied to a tree branch that hangs 13.0 from the vertical. if the tension in each rope is 2.28N, what is the combined force(magnitude and direction) of the two ropes on the swing?
October 18, 2009 by tiffaney

Physical Science ASAP
A child weighing 200 newtons is sitting in the center of a swing. the swing is supported evenly by two ropes, one on each side. what is the tension force in one of the ropes?
October 23, 2013 by unknown

Physics
A pendulum is 0.9 m long and the bob has a mass of 1.0 kg. At the bottom of its swing, the bob's speed is 1.5 m/s. What is the tension in the string at the bottom of the swing?
February 11, 2011 by Renee

science
Ralph has the same mass of 72.6 kg, and his maximum velocity is still 7.3 m/s on the swing. What is the maximum height that Ralph reaches on his swing?
October 23, 2014 by Anonymous

Science-Pendulum
The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum. It asks why was it ...
February 5, 2010 by Sara

physics
You and a friend are going to a river, where they have a rope swing. Your friend, who has a mass of 60 kg, hops on the end of the rope. You tug horizontally on your friend with a force of 300 N, pulling them back until you can't move them any more. Then you let go and watch ...
February 21, 2013 by raj

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 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
Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0 with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest?(b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00 m/s?
March 10, 2010 by Kelsey

physics
Tarzan swings on a 34.0-m-long vine initially inclined at an angle of 33.0 with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? m/s (b) What is his speed at the bottom of the swing if he pushes off with a speed of 5.00 m/s? m/s
October 10, 2012 by monic

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

Science-Pendulum
The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum. It asks why was it ...
February 4, 2010 by Sara

math
The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in metres, L, through the equation T=2π√ L/9.8 Write this equation in function notation. (1 mark) State...
March 12, 2012 by james

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