Answer:
a. [tex]a=1.875\,ms^{-2}[/tex]
b. [tex]v_{0} =7.5\,ms^{-1}[/tex]
c. [tex]s=60\,m[/tex]
Explanation:
Given,
[tex]u=0\,ms^{-1}\,;[starts\,from\,rest]\\v=15\,ms^{-1}\\t=8\,s[/tex]
a. We know,
∴[tex]v=u+at\\=>15=0+a*8\\a=1.875\,ms^{-2}[/tex]
b. We know,
∴[tex]s=\frac{u+v}{2}*t\\=>s=\frac{0+15}{2}*8\\s=60\,m[/tex]
average velocity,[tex]v_{0} =\frac{s}{t}=\frac{60}{8}=7.5\,ms^{-1}[/tex]
c. From b, the answer is 60 m
hope you have understood this....
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