log inhelp

  • If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old.

  • You already know Dokkio is an AI-powered assistant to organize & manage your digital files & messages. Very soon, Dokkio will support Outlook as well as One Drive. Check it out today!

View
 

The faster fall

Page history last edited by Joe Redish 5 years, 2 months ago

4.2.3.P6

 

Two dense objects (so air drag can be ignored) are shot straight up at the same time from the same height.Object A is shot with a speed of 1 m/s, object B with a speed of 2 m/s. Which takes longer to come back to its starting point?

 

  1. Object A
  2. Object B
  3. Both take the same.
  4. I can’t tell since you didn’t give me the masses.
  5. I can’t tell for some other reason.

 

Two dense objects (so air drag can be ignored) are shot up at the different angles at same time from the same height. They follow the trajectories shown. Which will hit its target first?

 

  1. Object A
  2. Object B
  3. Both take the same.
  4. I can’t tell since you didn’t give me the masses.
  5. I can’t tell for some other reason.

 

 

Joe Redish 10/2/11

Comments (0)

You don't have permission to comment on this page.

Printable version