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Hello, the answer for this question give by the other two phys sics tutors are 125 Newtons. But in accordance with the photo attached, at the bottom most right, the answer given is 0.125 Newtons.How? Please
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Hello, the answer for this question give by the other two phys sics tutors are 125 Newtons. But in accordance with the photo attached, at the bottom most right, the answer given is 0.125 Newtons.How? Please explain.

Hello, the answer for this question give by the other two phys sics tutors are 125 Newtons-example-1
User Textral
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1 Answer

3 votes

Answer:


F=125N

Step-by-step explanation: We need to find the average force applied by the player:


\begin{gathered} m=150g=0.150\operatorname{kg} \\ v=25ms^(-1) \\ t=0.03s \\ v=v_o+at \\ \therefore\Rightarrow \\ 0=v_o+at=25ms^(-1)+a0.03s \\ \therefore\Rightarrow \\ a=-(25ms^(-1))/(0.03s)=-833.333ms^(-2) \\ \therefore\Rightarrow \\ F=ma\rightarrow(0.150)*(833.333ms^(-2))=-125N \\ \therefore\Rightarrow \\ F=-125N \end{gathered}

User Haris Hamdani
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