Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of 
each, the velocity of their combined after collision is
a)
b)
c)
d)
Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of each, the velocity of their combined after collision is
a)
b)
c)
d)
Question ID - 50679 | SaraNextGen Top Answer
Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of each, the velocity of their combined after collision is
a)
b)
c)
d)
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Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of |
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b) |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
Initial momentum
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Final momentum 
By conservation of momentum
127 votes
Answer Link
127