× Didn't find what you were looking for? Ask a question
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
New Topic  
ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
A solid wood door, 90.0 cm wide by 2.00 m tall has a mass of 35.0 kg. It is ajar and at rest. A ball with a mass of 500 g is thrown perpendicular to the door with a speed of 20.0 m/s and hits the door 60.0 cm from the hinged side. The ball rebounds with a speed of 16.0 m/s along the same line. How much energy is lost in the process?
A) 29.8 J
B) 16.3 J
C) 14.9 J
D) 12.7 J
E) 4.79 J
Read 901 times
1 Reply

Related Topics

Replies
wrote...
Educator
12 years ago
C
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1353 People Browsing
Related Images
  
 61
  
 951
  
 640
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 741