Posted by Sophia on Sunday, January 25, 2009 at 9:40pm.
An airplane traveling 1001 m above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. What is the horizontal distance between the plane and the victims when the box is dropped?

physics  Sophia, Sunday, January 25, 2009 at 10:28pm
The time is 14.3s, btw..

physics  drwls, Monday, January 26, 2009 at 3:20am
The time T that it will take the box to fall 1001 m, neglectring air resistance, is given by the equation
(g/2)T^2 = 1001
T^2 = 2002/9.8 = 204.3 s^2
T = 14.3 s
The distance that the box moves forward while it falls is V*T.
You will need to convert the 125 km/h speed to ___ m/s to get the distance in meters.

physics  Alison, Monday, November 16, 2009 at 6:15pm
Givens:
a=9.81m/s^2
d=1001m
vi=0m/s
d=vit+1/2at^2
1001m=1/29.81m/s^2t^2
1001m=4.905m/s^2t^2
divide 1001m by 4.905m/s^2
204s^2=t^2
square root both sides
14.3s=t
125km/hr is 56m/s
56*14.3=
800.8m, that's the distance from the package dropped.

physics  Alison, Monday, November 16, 2009 at 6:19pm
Woops!
125km/hr is 34.7m/s
so 34.7*14.3 is 496.21m

physics  Michael, Thursday, October 20, 2016 at 1:22pm
7.8m/s
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