Nechama Z.

asked • 07/17/18

the wheel in the simplified engine has a radius o A=0.250m and rotates with angular frequency omega=12.0 rad/s. At t=0, the piston is located at x=A. Calculate

the wheel in the simplified engine has a radius o A=0.250m and rotates with angular frequency omega=12.0 rad/s. At t=0, the piston is located at x=A. Calculate the piston's a) position, b)velocity and c) acceleration at t=1.15 s
 
The answers in the back of my text book are:
a) 8.27x 10^-2m
b)-2.83 m/s
c)-11.9 m/s^2
 
I dont understand how they arrived at these answers. Please clarify the steps

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