Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
Pd96 Pd96
wrote...
Go to Answer
Posts: 1256
Rep: 11 0
7 years ago
An astronaut stands by the rim of a crater on the Moon, where the acceleration of gravity is 1.62 m/s2 and there is no air. To determine the depth of the crater, she drops a rock and measures the time it takes for it to hit the bottom. If the depth of the crater is 120 m, how long does it take for the rock to fall to the bottom of the crater?
A) 3.04 s
B) 12.2 s
C) 29.3 s
D) 32.1 s
E) 37.5 s
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 124 times
2 Replies
Replies
Answer verified by a subject expert
HotMathHotMath
wrote...
#1
Top Poster
Posts: 629
Rep: 134 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Pd96 Author
wrote...
#2
7 years ago
You saved my life, thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1197 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 688
  
 748
  
 653
Your Opinion
Previous poll results: Who's your favorite biologist?