A 20 kg ball moving with a velocity 
collides with a 30 kg ball initially at rest .if both of them coalesce ,then final velocity of the combined mass is
a)
b)
c)
d)
A 20 kg ball moving with a velocity collides with a 30 kg ball initially at rest .if both of them coalesce ,then final velocity of the combined mass is
a)
b)
c)
d)
Question ID - 52047 | SaraNextGen Top Answer
A 20 kg ball moving with a velocity collides with a 30 kg ball initially at rest .if both of them coalesce ,then final velocity of the combined mass is
a)
b)
c)
d)
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A 20 kg ball moving with a velocity |
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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 : (d) -
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(d) From conservation of momentum. Momentum before collision =Momentum after collision
20
Or
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127 votes
Answer Link
127