What are the correct heights for Tom after a collision with Dan in a halfpipe?

  • Thread starter mcrwinner
  • Start date
In summary, collisions between skateboarders can have significant impacts, ranging from minor cuts and bruises to more serious injuries like broken bones and concussions. Factors such as speed, skateboarding area design, and other skateboarders or pedestrians can contribute to collisions. To prevent these collisions, safety guidelines and rules should be followed and skateboarding areas should be designed and maintained with safety in mind. While injuries such as cuts and bruises are most common, more serious injuries can also occur. It is difficult to say if collisions between skateboarders are more dangerous than those between other types of athletes, as the severity of injuries can vary greatly depending on the circumstances and protective gear. All athletes should take precautions to avoid collisions and injuries.
  • #1
mcrwinner
1
0

Homework Statement


Dan and Tom are skateboarding in a large semicircular halfpipe. Dan starts out from rest at a height h and collides with Tom standing at the bottom. Dan and Tom have about the same mass. After the collision, which height will Tom reach? Let's neglect friction and consider the following two extreme cases:
a) The collision is totally inelastic.
b) The collision is elastic. [/B]

Homework Equations



H = v² / 2g

The Attempt at a Solution


For part a) = V²/4 / 2g leaves them at h/4
For part b) = v^2/4/2g leaves them at h/4

Part a is correct but part b isn't. Any help would be appreciated[/B]
 
Physics news on Phys.org
  • #2
You need to show how you arrived at your answers. How can we help if we can't see where you went wrong?
 

FAQ: What are the correct heights for Tom after a collision with Dan in a halfpipe?

What is the impact of collisions on skateboarders?

Collisions can have a significant impact on skateboarders, often resulting in injuries such as cuts, bruises, broken bones, or even concussions. These injuries can vary in severity depending on the force of the collision and the protective gear worn by the skateboarder.

What factors can contribute to collisions between skateboarders?

There are several factors that can contribute to collisions between skateboarders, including the speed and direction of the skateboarder, the design and condition of the skateboarding area, and the actions of other skateboarders or pedestrians in the area.

How can collisions between skateboarders be prevented?

To prevent collisions between skateboarders, it is important for skateboarders to follow safety guidelines and rules, such as wearing proper protective gear, avoiding crowded areas, and being aware of their surroundings. Skateboarding areas should also be designed and maintained with safety in mind.

What types of injuries are most commonly caused by collisions between skateboarders?

The most common injuries caused by collisions between skateboarders include cuts, bruises, and scrapes. However, more serious injuries such as broken bones, head trauma, and spinal injuries can also occur.

Are collisions between skateboarders more dangerous than collisions between other types of athletes?

While collisions between skateboarders can be dangerous, it is difficult to say if they are more dangerous than collisions between other types of athletes. The severity of injuries can vary greatly depending on the circumstances of the collision and the protective gear worn by the athlete. It is important for all athletes to follow safety guidelines and take precautions to avoid collisions and injuries.

Similar threads

Elastic collision problem (μk) is the target variable
Replies
2
Views
1K
Inelastic collision with an inclined plane
Replies
7
Views
3K
Two balls, dropped with a delay of ##\Delta t##, meet after rebound
Replies
34
Views
1K
Elastic Collision in Two Reference Frames
Replies
2
Views
2K
What is the Correct Calculation for h/H When Ball A Collides with Ball B?
Replies
3
Views
2K
Particles after an elastic collision
Replies
2
Views
1K
Height of Pendulum Homework: A&B Answered, C&D Yet to Solve
Replies
1
Views
2K
What is the height of a ball after being in the air for T/4 seconds?
Replies
7
Views
2K
Calculations based on Neutrons in a Gravitational field
Replies
5
Views
2K
Physics Help with elastic collision
Replies
5
Views
2K

Hot Threads

Recent Insights

Back
Top