A rectangular billiard table has vertices at 
and 
. a small billiard ball starts at 
and moves in a straight line to the top of the table, bounces to the right side of the table, then comes to rest at 
. The 
-coordinate of the point where it hits the right side, is
a)
3.7
b)
3.8
c)
3.9
d)
4
A rectangular billiard table has vertices at and . a small billiard ball starts at and moves in a straight line to the top of the table, bounces to the right side of the table, then comes to rest at . The -coordinate of the point where it hits the right side, is
a)
3.7
b)
3.8
c)
3.9
d)
4
Question ID - 52916 | SaraNextGen Top Answer
A rectangular billiard table has vertices at and . a small billiard ball starts at and moves in a straight line to the top of the table, bounces to the right side of the table, then comes to rest at . The -coordinate of the point where it hits the right side, is
a)
3.7
b)
3.8
c)
3.9
d)
4
|
A rectangular billiard table has vertices at |
|||||||
|
a) |
3.7 |
b) |
3.8 |
c) |
3.9 |
d) |
4 |
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
Also 
Hence, 
.png)
From 1st two relations
(i)
From last two
or 
(2)
Hence, from (i) and (ii)
127 votes
Answer Link
127