Top Posters
Since Sunday
r
4
L
4
3
d
3
M
3
l
3
V
3
s
3
d
3
a
3
g
3
j
3
New Topic  
Pd96 Pd96
wrote...
Posts: 1256
7 years ago
A heavy rock and a light rock are dropped from the same height. The forces exerted on them by air are negligible. Which of the following statements about these rocks are correct? (There could be more than one correct choice.)
A) Both rocks have the same kinetic energy when they reach the ground.
B) Both rocks have the same speed when they reach the ground.
C) The heavier rock reaches the ground before the lighter rock.
D) Just as they were released, the two systems consisting of each rock and Earth had the same amount of gravitational potential energy.
E) When they reach the ground, the heavier rock has more kinetic energy than the lighter rock.
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 101 times
1 Reply
Replies
Answer verified by a subject expert
HotMathHotMath
wrote...
Top Poster
Posts: 629
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...

7 years ago
Brilliant
wrote...

Yesterday
Good timing, thanks!
wrote...

2 hours ago
This helped my grade so much Perfect
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  2019 People Browsing
Related Images
  
 836
  
 214
  
 1503
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 484