Question

A stationary object of mass m undergoes a head on collision with another object of mass 2m moving with velocity 3v. What will be speed of first object if object keeps moving in same direction with 2v? A) v C) Zero B) 2v D) 3v

Answer 1

Answer:Applying conservation of linear momentum :  P  

f

​  

=P  

i

​  

 

Or   m  

1

​  

×V  

1

​  

+m  

2

​  

V  

2

​  

=m  

1

​  

u  

1

​  

+m  

2

​  

u  

2

​  

 

Or   0+m  

2

​  

V  

2

​  

=m  

1

​  

v+0

⟹ V  

2

​  

=  

m  

2

​  

 

m  

1

​  

v

​  

 

solution

Explanation:HOPE IT WILL HELP YOU!!!!

Answer 2

Answer:

Ummmmm sorry don't know