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Distance traveled by a rock dropped off of a cliff...

  • Thread starter Carol-Anne
  • Start date
  • #1

Homework Statement


a rock is dropped off a cliff and falls the first half of the distance to the ground in 2.0 seconds.

Homework Equations


How long will it take to fall the second half?

The Attempt at a Solution


i thought if i took the square root of two and then subtracted that from 1/2t that would be the answer but apparently not
 

Answers and Replies

  • #2
berkeman
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Welcome to the PF.

Please write out the equations of kinematic motion in a constant acceleration force field (gravity). That will help you to start to show your Attempt at the Solution. Thanks.:smile:
 
  • #3
vela
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The Attempt at a Solution


i thought if i took the square root of two and then subtracted that from 1/2t that would be the answer but apparently not
What was your reasoning here?
 

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