Solve-A-smooth-sphere-A-of-mass-2kg-and-moving-with-speed-6ms-1-collides-obliquely-with-a-smooth-sphere-B-of-mass-4kg-just-before-the-impact-B-is-stationary-and-the-velocity-of-A-makes-an-angle-

Question Number 200738 by Calculusboy last updated on 22/Nov/23

S o l v e : A s m o o t h s p h e r e A, o f m a s s 2 k g a n d

m o v i n g w i t h s p e e d 6 {m s}^{- 1} c o l l i d e s o b l i q u e l y

w i t h a s m o o t h s p h e r e B o f m a s s 4 k g . j u s t b e f o r e t h e i m p a c t B i s

s t a t i o n a r y a n d t h e v e l o c i t y o f A m a k e s

a n a n g l e o f 10 ° w i t h t h e l i n e s o f c e n t e r s o f t h e t w o s p h e r e .

T h e c o e f f i c i e n t o f r e s t i t u t i o n b e t w e e n t h e

s p h e r e s i s \frac{1}{2} . F i n d t h e m a g n i t u d e a n d

d i r e c t i o n s o f t h e v e l o v i t i e s o f A a n d B

i m m e d i a t e l y a f t e r t h e i m p a c t .