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April 21, 2014

Search: Physics - bungee jumping

Number of results: 108,989

Physics
You and some friends go bungee jumping, but you are afraid of oscillations which go too fast. Which one of these options would provide the slower oscillations? a) Tying two bungee cords to your feet such that each bungee cord is attached to your feet and the object which you ...
Saturday, February 22, 2014 at 3:51am by John

physics
The hero pursues the villain up to the top of a bungee jumping apparatus. The villain appears trapped but to create a diversion she drops a bottle. The hero quickly straps on the bungee cord to his leg and dives straight down to grab the bottle while its still in the air. ...
Friday, November 18, 2011 at 4:22pm by Jack

physic
Bungee Jumping. A bungee jumper jumps from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord behaves like...
Sunday, October 20, 2013 at 1:15pm by Anonymous

Physics
Brett decided that he was going to go bungee jumping at the WEM mall water park. If Brett weighs 95kg and he is 30 m above the water, how far will he fall IF the elastic force of the bungee cord is 1000N? Will he hit the water?
Sunday, November 11, 2012 at 2:35pm by Jocelyn

English
Sky diving Ski jumping Racing cars Drinking while driving Unprotected sex Fighting in a war Mountain climbing Bungee jumping Foolish behavior
Wednesday, March 18, 2009 at 10:49pm by Ms. Sue

physics
regards bungee jumping How accurately must the weight of the jumper be known?
Wednesday, March 7, 2012 at 11:07am by ray

College Physics
6. A tall bald student (height 2.1 meters and mass 93.1 kg) decides to try bungee jumping from a bridge. The bridge is 36.7 meters above the river and the "bungee" is 25.3 meters long as measured from the attachment of the bridge to the foot of the jumper. Treat the "bungee" ...
Wednesday, June 29, 2011 at 2:46pm by Jane

Physics - bungee jumping
The gravitational potential energy of the jumper is mgh, where m is 60kg and h is 22m - 1.8m or 20.2m. The PE of the bungee at full length is 1/2kx^2, where x is the difference between stretched and unstretched length, i.e. 20.2m - 12.2m or 8m. Setting these to equal: 1/2kx^2=...
Saturday, December 4, 2010 at 1:39pm by Dave

Physics - bungee jumping
In a head dip bungee jump from abridge over a river, the bungee cord is fastened to the jumpers ankles. The jumper then steps off and falls towards the river until the cord becomes taut. At that point, the cord begins to slow the jumper's descent, until his head just touches ...
Saturday, December 4, 2010 at 1:39pm by Farah

physics
A bungee jumper jumps (with no initial speed) from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord ...
Thursday, October 17, 2013 at 10:19am by pi

Physics Classical Mechanics
A bungee jumper jumps (with no initial speed) from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord ...
Monday, October 21, 2013 at 10:02am by Anonymous

Physics- bungee jump
have you ever heard of or seen a bungee jump? your math is wrong and you have no idea what your talking about as far as the bungee concept.
Monday, June 6, 2011 at 3:28pm by Damonhater

physics
A 53 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 13 m, and falls a total of 35 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies.
Wednesday, April 6, 2011 at 4:59pm by Cara

science
A bungee jumper jumps (with no initial speed) from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord ...
Tuesday, October 22, 2013 at 10:48am by mechanics

physics
James (80kg) is performing a bungee jump from a 210m high dam. He has a free fall for 160 meters until the rope starts to extend and stops 1 meter above ground. What is the stiffness of the bungee rope? How much work does the bungee rope perform?
Wednesday, April 9, 2014 at 5:38pm by Marcela

Physics
A 72 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 13 m, and falls a total of 38 m. Calculate the spring stiffness constant "k" of the bungee cord, assuming Hooke's law applies. Calculate the maximum acceleration she experiences.
Sunday, November 8, 2009 at 6:34pm by Anonymous

Physics
A 66 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 14 m, and falls a total of 34m. 1. Calculate the spring stiffness constant of the bungee cord, assuming Hooke's law applies. 2. Calculate the maximum acceleration she experiences.
Monday, November 1, 2010 at 1:02pm by Nick

Physics
A 58 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 15 m, and falls a total of 36 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies. Calculate the maximum acceleration she experiences.
Tuesday, November 16, 2010 at 12:15am by Linda

physics
A 56 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11 m, and falls a total of 38 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies. Calculate the maximum acceleration she experiences.
Monday, February 28, 2011 at 11:03pm by Kristie

Physics
A 63.0-kg bungee jumper is standing on a tall platform (h0 = 45.8 m). The bungee cord has an unstrained length of L0 = 9.18 m and, when stretched, behaves like an ideal spring with a spring constant of k = 67.2 N/m. The jumper falls from rest, and it is assumed that the only ...
Wednesday, November 30, 2011 at 8:29pm by Anne

Physics
A 63.0-kg bungee jumper is standing on a tall platform (h0 = 45.8 m). The bungee cord has an unstrained length of L0 = 9.18 m and, when stretched, behaves like an ideal spring with a spring constant of k = 67.2 N/m. The jumper falls from rest, and it is assumed that the only ...
Wednesday, November 30, 2011 at 8:29pm by Anne

AP Physics B
A 63.6-kg bungee jumper is standing on a tall platform (h0 = 50.6 m). The bungee cord has an unstrained length of L0 = 9.54 m and, when stretched, behaves like an ideal spring with a spring constant of k = 67.8 N/m. The jumper falls from rest, and it is assumed that the only ...
Thursday, November 29, 2012 at 3:48pm by Alexis

Physics
A 63-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude of 8.4 m/s2. Ignore ...
Saturday, February 20, 2010 at 8:14pm by Anonymous

Physics
A 63-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude of 8.4 m/s2. Ignore ...
Saturday, February 20, 2010 at 8:15pm by Anonymous

physics ! HELP !
A 65 kg bungee jumper leaps from a bridge. She is tied to a bungee cord that is 11m long when unstretched, and falls a total of 30m . Part a) Calculate the spring constant of the bungee cord assuming Hooke's law applies. part b)Calculate the maximum acceleration she experiences.
Wednesday, May 23, 2012 at 10:22pm by emmie

physics
A 65-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude of 8.4 m/s2. Ignore ...
Tuesday, September 24, 2013 at 9:47pm by Victoria

Physics -Bungee Jumping Problem
A 75kg person jumps off a tower with a bungee cord tied around their leg. The cord obeys Hooke's Law and has a cord constant value of k=50 Nts/m. After falling a distance of 15m, the cord begins to stretch. Neglecting air resistance and the mass of the cord, a) calculate how ...
Wednesday, February 21, 2007 at 10:19pm by kbmr

physics
A 300 lb bungee jumper wants to jump from the top of a 230 ft high bridge and be able to just touch the water below (Part A figure) . Given that the bungee cord has a spring constant of 11.1 lb/ft, what should the bungee cord's relaxed length, l, be for this jump?
Wednesday, October 19, 2011 at 1:39am by HELP!!!

English
yeah i saw your answer but isn't that like what will happen to the society. I want to know what other people that are participitaing in skydiving, mountain climbing, and bungee jumping when some doesn't act responsibly.
Tuesday, March 24, 2009 at 10:46pm by Growler

physics
A 49-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude of 7.3 m/s2. Ignore ...
Thursday, January 27, 2011 at 6:24pm by brian

Physics
A bungee jumper with mass 61.3 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 31.8 s. He finally comes to rest 25.3 m below the level of the bridge. Calculate the spring constant of the bungee ...
Sunday, November 27, 2011 at 4:10pm by Maggie

Physics
A bungee jumper (m = 66.00 kg) tied to a 39.00 m cord, leaps off a 69.00 m tall bridge. He falls to 5.00 m above the water before the bungee cord pulls him back up. What size impulse is exerted on the bungee jumper while the cord stretches?
Monday, March 18, 2013 at 6:31pm by Hilary

Physics
A bungee jumper (m = 66.00 kg) tied to a 39.00 m cord, leaps off a 69.00 m tall bridge. He falls to 5.00 m above the water before the bungee cord pulls him back up. What size impulse is exerted on the bungee jumper while the cord stretches?
Monday, March 18, 2013 at 7:19pm by Hilary

physics- please help
A 65 kg bungee jumper leaps from a bridge. She is tied to a bungee cord that is 11m long when unstretched, and falls a total of 30m . Part a) Calculate the spring constant of the bungee cord assuming Hooke's law applies. part b)Calculate the maximum acceleration she ...
Thursday, May 24, 2012 at 1:05am by emmie

physics
A bungee jumper falls for 1.3 seconds before the bungee cord begins to stretch. Until the jumper has bounced back up to this level, the bungee causes the jumper to have an acceleration upward of 4 m/s2. a. How fast is the jumper going when the bungee cord begins to stretch? (...
Tuesday, September 6, 2011 at 5:43pm by randa

Recreational Activities
bungee jumping sky diving knife throwing open ocean swimming blue water diving experimental aircraft flying/building
Friday, October 30, 2009 at 5:57pm by bobpursley

English
I know what will happen yo yourself when you don't act resonsibly in skydiving, mountain climbing, and bungee jumping but, what will happen to others when you don't act responsibly.
Tuesday, March 24, 2009 at 10:46pm by Growler

physics
An 73-kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period of 6 s. the spring constant of the bungee cord is 80.1 and max speed during oscillation is 14.7 m/s Treating the bungee cord as a spring with no ...
Sunday, March 25, 2012 at 2:23pm by hania

Math/Physics
A bungee jumper bounces up and down at thhe end of a bungee cord with a fairly consstant amplitude of 10m and a period of 5 s. At her lowest point, the jumper is 5m above the ground. Is this Periodic or non periodic? What is the reason? Draw the graph.
Wednesday, November 3, 2010 at 7:29pm by Mansy

physics
When you bungee jump,you are falling under free fall untill you reach the end of the elastic rope bungee jump organisers must use the weight of a jumper to calculate the length of elastic to use.why is this calculatoin important?
Saturday, March 17, 2012 at 11:35am by Anonymous

English
I don't know what possible consequences to the society when someone fails to act responsibly while participating in skydiving, mountain biking, mountain climbing, bungee jumping, and skiing. I couldn't figure out what are the possible consequences to these activities. I really...
Tuesday, March 24, 2009 at 10:13pm by Growler

English
1. "on" 2 and 3 -- both are OK, depending on what is meant. 2 means they are jumping upward (from). 3 means they are jumping downward (on, as if from above). or 3 means they are jumping up and down on the ground, not on a trampoline or anything like that.
Tuesday, May 22, 2012 at 8:05pm by Writeacher

Physics - Applications of Momentum
Use the concept of impulse to explain the difference in the results of a jump using a proper bungee cord and a jump using ordinary rope. (Ans: Is it that impulse is equal to mVf - mVi and the final velocity will be zero for the ordinary rope, however when using the bungee cord...
Wednesday, August 25, 2010 at 12:36pm by Shaila

physic
indentify at least two ereas of physic involved in the following: a) building a louder stereo system in your car b)bungee jumping c)judging how hot an slectric stove burner is by looking at it. d) cooling off on a hot day by diving into a swimming pool.
Sunday, February 20, 2011 at 3:02am by nancy

Physics
1.A 60.2 kg bungee jumper jumps from a bridge. She is tied to a 13.8 m long bungee cord and falls a total of 34.4 m. Calculate the spring constant k of the bungee cord. 2.Calculate the maximum acceleration experienced by the jumper. Im stuck on the first because Im not sure ...
Saturday, October 27, 2007 at 4:52pm by Britney

PHYSICS
A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant of the bungee cord?
Thursday, February 25, 2010 at 11:17pm by Lucas

PHYS
A bungee jumper (m = 61.00 kg) tied to a 45.00 m cord, leaps off a 75.00 m tall bridge. He falls to 5.00 m above the water before the bungee cord pulls him back up. What is the magnitude of the impulse exerted on the bungee jumper as the cord stretches? Can anyone show me how ...
Thursday, November 4, 2010 at 7:39pm by LEON

Physics
In the dangerous "sport" of bungee-jumping, a daring student jumps from a balloon with a specially designed elastic cord attached to his ankles, as shown in Figure P5.69. The unstretched length of the cord is 28.0 m, the student weighs 680 N, and the balloon is 36.0 m above ...
Monday, October 12, 2009 at 2:11am by Steph

Physics
In the dangerous "sport" of bungee-jumping, a daring student jumps from a balloon with a specially designed elastic cord attached to his waist, as shown in Figure P5.77. The unstretched length of the cord is 25.0 m, the student weighs 675 N, and the balloon is 36.0 m above the...
Sunday, March 25, 2012 at 2:44pm by andrew

physics
In the dangerous “sport” of bungee-jumping, a daring student jumps from a balloon with a specially designed elastic cord attached to his ankles. The unstretched length of the cord is 25.0 m, the student weighs 700 N, and the balloon is 36.0 m above the surface of a river below...
Tuesday, April 23, 2013 at 7:21am by hook miner

physics
A bungee jumper with mass 69.5 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 36.6 s. He finally comes to rest 24.3 m below the level of the bridge. Calculate the spring constant of the bungee ...
Tuesday, November 25, 2008 at 1:40am by Sandhya

Physics
A bungee jumper with mass 69.7 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 39.0 s. He finally comes to rest 25.0 m below the level of the bridge. Calculate the spring constant of the bungee ...
Sunday, February 24, 2013 at 4:09pm by Bob

Physics Help
A bungee jumper undergoes simple harmonic motion with amplitude 3.5 m and frequency 0.135 Hz. Assume the bungee jumper follows the simple harmonic motion equation x=Acos(wt). A. Determine the bungee jumper's velocity at 0.25 s B. Determine the bungee jumper's velocity at 0.50 ...
Tuesday, April 1, 2014 at 1:33am by Eiban

Physics- bungee jump
A tall bald student (height 2.1 meters and mass 91.0 kg) decides to bungee jump off a bridge 36.7 meters above the river. The bungee cord is 25.3 meters long as measured from the attachment at the bridge to the foot of the jumper. Treat the bungee as an ideal spring and the ...
Monday, June 6, 2011 at 3:28pm by Casey

physics
A bungee jumper with mass 63.5 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 40.0 s. He finally comes to rest 28.5 m below the level of the bridge. Calculate the spring stiffness constant AND ...
Monday, April 19, 2010 at 10:47pm by Anonymous

physics
A bungee jumper with mass 63.5 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 40.0 s. He finally comes to rest 28.5 m below the level of the bridge. Calculate the spring stiffness constant AND ...
Tuesday, April 20, 2010 at 2:18pm by Anonymous

physics
A bungee jumper, whose mass is 87 kg, jumps from a tall platform. After reaching his lowest point, he continues to oscillate up and down, reaching the low point two more times in 8.5 s. Ignoring air resistance and assuming that the bungee cord is an ideal spring, determine its...
Sunday, November 15, 2009 at 11:01pm by Linds

Physics
A bungee jumper, whose mass is 83 kg, jumps from a tall platform. After reaching his lowest point, he continues to oscillate up and down, reaching the low point two more times in 9.7 s. Ignoring air resistance and assuming that the bungee cord is an ideal spring, determine its...
Wednesday, November 30, 2011 at 8:28pm by Anne

Physics
A bungee jumper, whose mass is 81 kg, jumps from a tall platform. After reaching his lowest point, he continues to oscillate up and down, reaching the low point two more times in 8.9 s. Ignoring air resistance and assuming that the bungee cord is an ideal spring, determine its...
Friday, November 30, 2012 at 8:01pm by Elizabeth

physics
A child plays on a bungee cord and oscillates with a certain frequency f. An adult with a mass that is 17.8 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?
Monday, April 23, 2012 at 6:39pm by Anonymous

chemistry
A bungee jumper is standing at the edge of a platform, just about to leap over the side. Midway through the jump, while the bungee jumper is halfway down to the ground, what is the relationship between potential and kinetic energy?
Friday, June 17, 2011 at 11:23am by mireli

physics
An 73-kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period of 6 s. sprint constant is 80.1 n/m and max speed is 14.7 m/s. Treating the bungee cord as a spring with no damping, calculate each of the following: ...
Tuesday, March 27, 2012 at 8:01am by please help

physics help please!!!
A bungee jumper with mass 63.5 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 40.0 s. He finally comes to rest 28.5 m below the level of the bridge. Calculate the spring stiffness constant AND ...
Monday, April 26, 2010 at 12:14pm by Anonymous

English II
Correction: B= than jumping instead of from jumping
Tuesday, October 16, 2007 at 9:36pm by Confused

physics
If you assume the body is stretched similarly, with one arm upward, before, at the peak of and at the end of the jump, then the vertical jumping distance can be related to hang time. This is not the way most people would jump. The foot-to-center-of mass-distance has to remain ...
Thursday, September 11, 2008 at 11:03pm by drwls

physics
A bungee jumper jumps from a bridge with a 3 m long bungee cord. Once the cord starts to stretch, it acts like an ideal spring with coefficient of elasticity k=100 N/m. What should be the minimum height of the bridge in m so that this jump is safe for the jumper? Details and ...
Tuesday, July 23, 2013 at 12:52pm by Steven

Physics GR12
A bungee jumper of mass 75kg is stadnding on a platform 53m above a river. The length of the unstretched bungee cord is 11m. The spring costant is 65.6N/m. Calculate the jumper's speed at 19m below the platform on his first fall. [Also, please state which height you usd and ...
Wednesday, December 4, 2013 at 9:34pm by Sophie

physics
As part of a fundraiser, you want the new dean to bungee jump from a crane. The jump will be made from 44 m above a 2.5 m deep pool of Jello. A 30 m long bungee cord would be attached to the dean's ankle. You must convince the dean that your plan is safe for a person of his ...
Tuesday, March 26, 2013 at 7:37pm by Brandon

English II
I need to determine a rule as to why the answer is C. A.) Jumping off of a balance beam is different from jumping off a trampoline; each jump requires a unique skill. B.) Jumping off a balance beam is different from jumping off a trampoline; each jump requires a unique skill. ...
Tuesday, October 16, 2007 at 9:36pm by Confused

Physics
didn't I do this? bungee force= mg-ma
Saturday, February 20, 2010 at 8:15pm by bobpursley

physics
Chinook salmon are able to move through water especially fast by jumping out of the water periodically. This behavior is called porpoising. Suppose a salmon swimming in still water jumps out of the water with velocity 6.41 m/s at 44.1° above the horizontal, sails through the ...
Sunday, September 1, 2013 at 12:02pm by sam

Physics II
A teacher of 75.0 kg bungee-jumps (steps from rest) from a 100 m tower towards a river. The cord can stretch 40.0% of its unstrecthed length and has a breaking strength of 5000. N (if tension is greater than this, it snaps). The cord stretches .250 meters when a 10.0 kg weight...
Monday, September 17, 2012 at 8:56pm by Jacob

math
Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?
Monday, March 7, 2011 at 6:32pm by Mona

Physics
A bungee jumper makes a jump into the Gorge du Verdon in southern France from a platform 182 m above the bottom of the gorge. The jumper weighs 740 N and comes within 66 m of the bottom of the gorge. The cord's unstretched length is 30.0 m. (a) Assuming that the bungee cord ...
Tuesday, April 5, 2011 at 4:44pm by Meisha

Child Care
When a child demonstrates an inability to leap over a barrier, his teacher checks to see if he mastered the skills of jumping down from a height and jumping for distance. in doing this, the teacher is
Wednesday, April 14, 2010 at 12:26am by Anonymous

English Expression
Do you like jumping rope? yes Do you like jumping ropes? no Do you like jump rope? It's OK, maybe, but the first one is best. Do you like rope jumping? no Do you like skipping rope? yes Do you like rope skipping? no
Monday, April 14, 2008 at 5:50pm by Writeacher

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 ...
Sunday, November 6, 2011 at 7:32pm by Anon

math
McDougal's Restaurant has a play area for children under and around their giant arch ( in the shape of parabola with negative orientation). They plan to set up a new activity that allows children to bungee jump from the arch. The manager, upon hearing of your team's expertise...
Wednesday, January 4, 2012 at 8:26pm by Anonymous

physics
the time a male bungee jumps is freely falling is 1.5 seconds. what is the velocity of the jumper at the end
Monday, October 17, 2011 at 6:19am by benjie pauig

Physics- bungee jump
The belly button of the jumper is 2.10/2 = 1.05 meters above bridge level when he jumps. The belly button of the jumper is at the water when he stops if he falls face down. Therefore his center of gravity moved down 36.7 + 1.05 meters. His change in potential energy is m g h...
Monday, June 6, 2011 at 3:28pm by Damon

English Expression
ex) Do you like baseball? Do you like jumping rope? Do you like jumping ropes? Do you like jump rope? Do you like rope jumping? Do you like skipping rope? Do you like rope skipping? --------------------- Instead of 'baseball', can we use all the other expressions above? If we ...
Monday, April 14, 2008 at 5:50pm by John

math
Allyson and Adrian have decided to connect their ankles with a bungee cord; one end is tied to each person's ankle. The cord is 30 feet long, but can stretch up to 90 feet. They both start from the same location. Allyson moves 10 ft/sec and Adrian moves 8 ft/sec in the ...
Saturday, October 1, 2011 at 2:46am by Sara

math
Jumping spiders can commonly be found in homes and barns throughout the United States. A jumping spider's jump can be modeled by the equation h = 33.3t - 16t2, where t represents the time in seconds and h is the height in feet. When is the spider's height at zero feet?
Wednesday, November 30, 2011 at 9:22pm by chelsea brown

Physics
High-speed motion pictures (3500frames/second) of a jumping 280ėg flea yielded the data to plot the flea's acceleration as a function of time as shown in the figure (Figure 1). This flea was about 2 mm long and jumped at a nearly vertical takeoff angle. Find the initial net ...
Thursday, October 10, 2013 at 9:45am by Jordan

physics
I dont get it. Why should the boat roll? In what direction are the people jumping?
Thursday, December 13, 2012 at 12:00am by drwls

Childhood
when a child demonstrates an inability to leap over a barrier his teacher checks to see if he has mastered the skill of jumping down from a height and jumping for distance . In doing this , the teacher is A applying a developmental perspective. B measuring the child's ...
Sunday, January 10, 2010 at 12:52am by Rosa

English
1. She is talking with her friend in a boat/on a boat. (Which preposition should we use? 2. They are jumping from the ground. 3. They are jumping on the ground. (Which preposition do we have to use? Are both OK?)
Tuesday, May 22, 2012 at 8:05pm by rfvv

math
a monkey is jumping 5 meter in length . a tree is 500 meter in length . how many jumping is required to reach the top of the tree by that monkey?
Sunday, April 8, 2012 at 11:44am by sangvi

AYUDA
a bungee jumper whit mass 65. kg jumps from a high bridge. after reaching his lowest point. he oscillates ud a down, hitting a low point eight more times in 38.0 s. he finally comes to rest 25.0 m below the level of the bridge. calculate the spring stiffness constant and the ...
Friday, June 10, 2011 at 1:27am by Diego

physics
gravity provides a downward acceleration of 9.8 m/s^2 so the bungee cord is providing an upward acceleration of 1.4 m/s^2 (9.8 - 8.4) the force is upward with a magnitude of 65 kg * 1.4 m/s^2
Tuesday, September 24, 2013 at 9:47pm by scott

Physics Classical Mechanics
Double star system answer - 9.859*10^17 seconds; keep on getting bungee jump wrong; I might be using the wrong equation. setting the equations to: 1/2*k*x^2=m*g*h; k = 2*m*g*h/x^2
Monday, October 21, 2013 at 10:02am by Frank

Physics
Mission Impossible: Special agent Ethan Hunt tries to escape an assassin by jumping horizontally off a flat roof. His goal is to reach a window, two stories or 5.15 m down, on the building across the alley. Ignore air resistance. If the alley is 11.9 m wide, how fast must he ...
Tuesday, February 18, 2014 at 9:55pm by Anonymous

College Physics
All of your math is correct except that h is just 36.7 because the bungee is attached to his feet not halfway up his body. Therefore his potential energy has to be measured to that point. Then you get mgh=1/2kx^2 k=(2mgh)/x^2 k=(2*93.1*9.8*36.7)/9.3^2 = 774.29 N/m
Wednesday, June 29, 2011 at 2:46pm by Josh

Physics - urgent, please help
The exact same speed that it would have at the bottom if it fell 1.9 m instead of jumping up. We already did a falling problem yesterday.
Saturday, February 21, 2009 at 10:59pm by Damon

physics
Start with a baseball, since the season just started. Surely you can think of others. In some sports like ski jumping, the athlete is the projectile.
Friday, April 1, 2011 at 10:38am by drwls

physics
a bungee cord jumper jumps off the new river bridge. the bridge is 876 feet high. How fast is the jumper falling when he reaches 200 feet above the ground?
Wednesday, May 16, 2012 at 2:17pm by Anonymous

Physics
You are the physics expert for a professional stuntman. The stunt you have designed includes a ramp that is angled at 30°. You expect that the stuntman will be traveling at 18.0 m/s when he leaves the ramp. How far must the landing ramp be positioned, and what is the maximum ...
Saturday, December 18, 2010 at 7:11pm by George

science
Re identifying forces, thankyou to Rom for your help, ive now been able to do most of them. One's i am still stuck on are a bungee jumper, speeding train, cyclist speeding off a ramp and a shuttlecock falling to the ground. bungee jumper: cord tension and gravity, air friction...
Sunday, March 11, 2007 at 1:19pm by laura

physics
V = g t will tell you the answer. "g" is the acceleration of gravity. Please capitalize the beginning of sentences and questions. You omitted a word (probably "that") in the first sentence. It should have read: The time THAT a male bungee jumper is freely falling is 1.5 ...
Monday, October 17, 2011 at 6:19am by drwls

Math
I have 16 numbers: 3,5,10,11,15,20,8,11,9,10,10,12,13,14, 15,10. These numbers have to be arranged in a 4 by 4 (horizontally and vertically) where each row equals 44. Please Help! Jumping rope can burn 600 calories per hour. write and solve an inequality to find the number of ...
Thursday, December 14, 2006 at 8:21pm by Dianne

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