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Two perfectly elastic objects  and  of identical mass are moving with velocities 15  and 10  respectively, collide along the direction of line joining them. Their velocities after collision are respectively

a)

10  ,15

b)

20

c)

0

d)

5


Question ID - 53887 | Toppr Answer

Two perfectly elastic objects  and  of identical mass are moving with velocities 15  and 10  respectively, collide along the direction of line joining them. Their velocities after collision are respectively

a)

10  ,15

b)

20

c)

0

d)

5

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

And    

Solving Eqs. (i) and (ii), we have



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