After a totally inelastic collision, two object of the same mass and same initial speeds are found to move together at half of their initial speeds. The angle between the initial velocities of the object is
a)
b)
c)
d)
After a totally inelastic collision, two object of the same mass and same initial speeds are found to move together at half of their initial speeds. The angle between the initial velocities of the object is
a)
b)
c)
d)
Question ID - 100352 | SaraNextGen Top Answer
After a totally inelastic collision, two object of the same mass and same initial speeds are found to move together at half of their initial speeds. The angle between the initial velocities of the object is
a)
b)
c)
d)
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After a totally inelastic collision, two object of the same mass and same initial speeds are found to move together at half of their initial speeds. The angle between the initial velocities of the object is |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
Let angle between initial velocities be 
and the situation is as shown in fig. Conserve the momentum along 
- and 
- directions
.png)
for 
-axis
for 
-axis
Solving above equations, 
Required angle
127 votes
Answer Link
127