What Is the Speed and Distance of a Ball Dropped from a Descending Helicopter?

  • Thread starter Thread starter slappy
  • Start date Start date
  • Tags Tags
    Ball Helicopter
Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
3 replies · 3K views
slappy
Messages
4
Reaction score
0

Homework Statement


A ball is dropped from a helicopter that is descending steadily at 1.52 m/s.
(a) After 3.00s, what is the speed of the ball?
(b) How far is it below the helicopter?

Homework Equations


unsure


The Attempt at a Solution


don't know where to start
 
Physics news on Phys.org
slappy said:

Homework Equations


unsure

What equations do you know that involve displacement, velocity and time when acceleration is constant?
 
rock.freak667 said:
What equations do you know that involve displacement, velocity and time when acceleration is constant?

From my notes
X - X(0) = V(0)t + at^2/2
 
slappy said:
From my notes
X - X(0) = V(0)t + at^2/2

Do your notes contain any others? Specifically that only relate velocity, acceleration and time?