Go to Home Page
You are here
Go to Reference Section
Go to Directories Section
Go to Community Section
Go to Fun Section
Go to Science Store
Go to About PhysLink.com
Top Destinations Menu
 Ask the ExpertsAsk the
Experts

 Physics Job BoardPhysics
Job Board

 Physics and Astronomy Departments DirectoryUniversity
Departments

 FREE Einstein eCardsEinstein
eGreetings

 PhysLink.com Science eStoreScience
eStore


Local in California?
Visit one of our retail stores.
XUMP - Science Toys





4th Of July Blowout Sale: Hurry! While Quantities Last!

   Question

If you were in a plane and shot a bullet vertically down from a gun and dropped a bullet by hand, at the same time, would they reach the earth at the same time?

Asked by: Jorgen

Answer

Even if you fire a bullet straight down from a plane at a high enough altitude for it to reach 'terminal velocity' before hitting the ground (that is when air resistance would slow the bullet until the force of gravity exactly balances drag and a constant fall rate is established) the bullet's initial velocity from the gun would still give it a head start and let it reach the ground before a dropped bullet that started from the same height at zero vertical velocity.

Answered by: Paul Walorski, B.A. Physics, Part-time Physics Instructor


go to the top  
All rights reserved. © Copyright '1995-'2008 PhysLink.com
Win an Apple iPod Touch 32GB! Or one of Einstein Stuff Packs worth over $50! Enter our Einstein Look-a-Like Photo Contest! Click here for more details.