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Gradient of the line is m =-2/5
Answer: 8m/s
Explanation:
Vs= 3 m/s
Vf=?
a=0.5m/s²
t=10s
-----------
a=Vf-Vs/t
at=Vf-Vs
0.5*10s=Vf-Vs
5m/s=Vf-3m/s
5m/s+3m/s=Vf
Vf=8m/s
A hammer is a type of lever.
Machine does work with one motion true. for example wind fan
