Hello I need help on questions 9 and 10. Work would be appreciated if possible!

9. [/4 Points] SERPSE1010.3.0P.009. 0/6 Submissions Used ASK YOUR TEACHER The gure below shows the drive train of a bicycle that has wheels 67.3 cm in diameter and pedal cranks 17.5 cm long. The cyclist pedals at a steady cadence of 79.5 rev/min. The chain engages with a front sprocket 15.2 cm in diameter and a rear sprocket 6.00 cm in diameten Rem \"EA sprocket Pedal crank From sprocket (a) Calculate the speed of a link of the chain relative to the bicycle frame. Em (b) Calculate the angular speed of the bicycle wheels. Emu/s (c) Calculate the speed of the bicycle relative to the road. SM (d) What piece of data, if any, are not necessary for the calculations? O diameter of front sprocket 0 diameter of wheels 0 angular rate 0 length of pedal cranks 0 diameter of rear sprocket 0 none of these 10. [-15 Points] DETAILS SERPSE1O 10.3.0P.011.MI. 0/6 Submissions Used A disk 8.08 cm in radius rotates at a constant rate of 1 260 rev/min about its central axis. (a) Determine its angular speed. E rad/s (b) Determine the tangential speed at a point 3.02 cm from its center. E m (c) Determine the radial acceleration of a point on the rim. magnitude|:] km/s2 direction (d) Determine the total distance a point on the rim moves in 1.90 s. |:lm