# 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? (HINT: this is free fall.)
b. How far below the diving platform is the jumper at that moment?
c. How long after the bungee cord begins to stretch does the jumper reach the
low point of the drop? HINT: The acceleration is different now, in both size
and direction.
d. How far below the diving platform is the jumper at the instant that the speed is zero?

1. 👍 0
2. 👎 0
3. 👁 514
1. 102

1. 👍 0
2. 👎 1

## Similar Questions

1. ### physics

a 62.0kg bungee jumper jumps from a bridge. she is tied to a bungee cord whose unstretched length is 12.0 m and falls a total of 31m a) calculate the spring constant k of the bungee cord and b) calculate the maximum acceleration

asked by kristen on August 10, 2014
2. ### Science

1) Study the scenario. System 1 has a large number of particles, moving slowly on average. System 2 has a smaller number of particles, but they are moving faster on average. Which system has a higher temperature? System 2 has a

asked by Lyssa on June 16, 2020
3. ### 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

asked by HELP!!! on October 19, 2011
4. ### Science (energy)

1. What similarities do nuclear energy and chemical energy share? Choose all that apply. A. Both are types of kinetic energy. B. Both are types of potential energy. [CORRECT!] C. Both involve magnetic energy. D. Both involve

asked by newbie on April 18, 2016
5. ### 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?

asked by Lucas on February 25, 2010

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.

asked by Anonymous on April 26, 2010
2. ### 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

asked by Steph on October 12, 2009
3. ### 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

asked by Alexis on November 29, 2012
4. ### 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

asked by Victoria on September 24, 2013
5. ### Math

A bungee jumper falls from a bridge 300 feet above ground. Her height above ground after t seconds is given by the equation h=16t^2+300 where h is the height of the jumper in feet and t is the time in seconds after she jumps.

asked by Na"talyannie on November 6, 2014
6. ### 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

asked by Jane on June 29, 2011