What is the speed with which she lands?

  • Thread starter Thread starter kokenwa
  • Start date Start date
  • Tags Tags
    Speed
Click For Summary
SUMMARY

The speed at which a pole-vaulter lands after reaching a height of 6.0 meters can be calculated using the law of conservation of energy. The potential energy at the peak height converts entirely into kinetic energy just before landing. For a pole-vaulter with a mass of 60 kg, the landing speed is approximately 10.8 m/s, derived from the equation v = √(2gh), where g is the acceleration due to gravity (9.81 m/s²) and h is the height (6.0 m).

PREREQUISITES
  • Understanding of gravitational potential energy
  • Knowledge of kinetic energy equations
  • Familiarity with the law of conservation of energy
  • Basic algebra for solving equations
NEXT STEPS
  • Study the principles of gravitational potential energy and kinetic energy
  • Learn how to apply the law of conservation of energy in different scenarios
  • Explore the effects of air resistance on falling objects
  • Investigate the physics of pole vaulting techniques and safety measures
USEFUL FOR

Physics students, sports scientists, coaches, and anyone interested in the mechanics of athletic performance and safety in pole vaulting.

kokenwa
Messages
10
Reaction score
0
A pole-vaulter of mass 60kg vaults to a height of 6.0m before dropping to thick padding placed below to cushion her fall. What is the speed with which she lands?


-I know it has something to do with momentum, but I don't even know where to begin on this one
 
Physics news on Phys.org
Consider neglecting air resistance and using the law of conservation of energy
 

Similar threads

Replies
21
Views
4K
  • · Replies 10 ·
Replies
10
Views
5K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 40 ·
2
Replies
40
Views
4K
  • · Replies 11 ·
Replies
11
Views
3K
  • · Replies 36 ·
2
Replies
36
Views
1K
  • · Replies 4 ·
Replies
4
Views
4K
Replies
13
Views
2K
  • · Replies 23 ·
Replies
23
Views
9K
  • · Replies 17 ·
Replies
17
Views
4K