Question

Please answer all of these questions and you will get the brain list

Answer 1

1=900j

2=140j

3=5m

Step-by-step explanation:

1,

work=force×displacement

w=450×2

w=900j

2,

w=f×s

w=70×2

w=140j

3,

w=f×s

200=40×s

200/40=s

s=5m