Answer:
245 divided by 5.14=47.6653696 or 47.66
Explanation:
<span>Force = Work done / distance = 4Nm / 2m = 2N</span>
Solution :
Given :
Mass attached to the spring = 4 kg
Mass dropped = 6 kg
Force constant = 100 N/m
Initial amplitude = 2 m
Therefore,
a). 

= 10 m/s
Final velocity, v at equilibrium position, v = 5 m/s
Now, 
A' = amplitude = 1.4142 m
b). 
m' = 2m
Hence, 
c). 

Therefore, factor 
Thus, the energy will change half times as the result of the collision.
That's unaccelerated motion,
and constant velocity.