What is thedisplacementof thepoint ofa wheelinitiallyin contactwiththe groundwhenthe wheelrollsforward halfa revolution? Takethe radiusofthewheelas Rand thethe x - axisas theforwarddirection ?

What is thedisplacementof thepoint ofa wheelinitiallyin contactwiththe

1.	What is thedisplacementof thepoint ofa wheelinitiallyin contactwiththe groundwhenthe wheelrollsforward halfa revolution? Takethe radiusofthewheelas Rand thethe x - axisas theforwarddirection ?
Answer» `R sqrt(PI^(2) + 9), Tan^(-1) ((3)/(pi))` with x-axis `R sqrt(pi^(2) + 4)` and angle `Tan^(-1) ((2)/(pi))` with x-axis `R sqrt(pi^(2) + 16), Tan^(-1) ((4)/(pi))` with x-axis None Answer :B