Question

What is the acceleration of a ball with a mass of 0.2kg hit with a force of 8N

Answer 1

Answer:Impulse P=change in momentum .

Now V  

f

​  

=−20 ,V  

1

​  

=10 because the direction has reversed .

P=m(V  

f

​  

−V  

1

​  

)=−0.2×30=−6Ns

Average force =  

time

Impulse

​  

=  

.01

6

​  

=600N

Answer 2

Answer:

Use formula

Force = mass × acceleration

8N = 0.2 × a

a = 8/0.2

a = 40