Free Fall vs Jetpack: Will He/She Stay Afloat?

In summary, a random person is falling from the sky and remembers they have a weak jetpack that can only provide upward force equivalent to the force of gravity. The question is whether they will stay afloat or crash into the ground, and what acceleration they will experience upon impact. The answer depends on the direction in which they aim the thrust, as the question does not specify the acceleration. The person has been directed to repost their question in the proper forum.
  • #1
Dhruvish
7
0
There is a random person falling from the sky. He remembers that he has a jetpack. Unfortunately, his jetpack is weak and is only able to provide upward force equivalent to Fg.

WILL HE?SHE STAY AFLOAT OR WILL HE?SHE CRASH INTO THE GROUND?
What acceleration will he/she hit the ground?
 
Physics news on Phys.org
  • #2
Dhruvish said:
What acceleration will he/she hit the ground?
Depends on which way he/she aims the thrust.
 
  • #3
the thing is the question does not specify at all the acceleration its just an upwards force?
 
  • #5
Thanks for your help
 
  • #6
New user has been asked to repost in the Homework Help forums and to fill out the HH Template provided there. This thread is closed.
 

1. What is the difference between free fall and using a jetpack to stay afloat?

Free fall is a state of motion where an object is falling under the influence of gravity alone, without any external forces acting on it. Using a jetpack, on the other hand, involves propelling oneself upwards using a device that generates thrust.

2. Is it possible to stay afloat for an extended period of time using a jetpack?

Yes, it is possible to stay afloat for an extended period of time using a jetpack. However, the amount of time will depend on the amount of fuel the jetpack has and the efficiency of the device.

3. Can a person control their movements while in free fall?

No, a person cannot control their movements while in free fall as they are solely under the influence of gravity. However, with a jetpack, they have the ability to control their movements and direction.

4. Which is safer, free fall or using a jetpack to stay afloat?

Both free fall and using a jetpack to stay afloat have their own risks. Free fall involves falling from a height without any control, while using a jetpack involves using a device that can malfunction. It is important to take necessary precautions and follow safety protocols for both activities.

5. Are there any real-world applications for free fall and using a jetpack to stay afloat?

Yes, there are real-world applications for both free fall and using a jetpack to stay afloat. Free fall is commonly used in skydiving and base jumping, while jetpacks have been used for search and rescue operations, as well as in the military and aerospace industry.

Similar threads

  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Classical Physics
Replies
15
Views
783
  • Classical Physics
Replies
5
Views
768
Replies
28
Views
2K
Replies
12
Views
24K
  • Introductory Physics Homework Help
Replies
1
Views
12K
  • Introductory Physics Homework Help
Replies
9
Views
1K
  • Introductory Physics Homework Help
Replies
1
Views
2K
  • Introductory Physics Homework Help
Replies
13
Views
2K
Replies
5
Views
3K
Back
Top