Answer:
The box 1 moves faster.
Explanation:
lets
Mass =m kg
Initial velocity = u m/s
Initial velocity of box = 0 m/s
Let stake mass of block = m
When ball bounces back:
The final speed of the box = v
Final speed of ball = - u
Pi = Pf ( From linear momentum conservation)
m x u + m x 0 = m ( - u) + m v
mu + mu = m v
v= 2 u
When ball get stuck :
The final speed of ball and box = v
Pi = Pf ( From linear momentum conservation)
m x u + m x 0 = (m+m) v
v= u /2
So the box 1 moves faster.
Box 1 will end up moving faster.
This is a vector measurement of the rate and direction of an object. Its unit is m/s and it is distance/time.
Mass =m kg
Initial velocity = u m/s
Initial velocity of box = 0 m/s.
When the ball bounces back we can deduce that the
The final speed of the box = v
Final speed of ball = - u
Pi = Pf ( From linear momentum conservation)
m x u + m x 0 = m ( - u) + m v
mu + mu = m v
2mu = mv
2u = v
When ball get stuck we can deduce that:
The final speed of ball and box = v
Pi = Pf ( From linear momentum conservation)
m x u + m x 0 = (m+m) v
mu = 2mv
v= u /2
This therefore means that box 1 will move faster.
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