... this pageDO NOT WRITE ON THIS PAGEANSWER IN THE SPACES PROVIDEDCopyright © 20< /b> 10 AQA < /b> and its licensors. All rights reserved.(JUN1 0PHYA 52 /b> C01)WMP /Jun10 /PHYA5/< /b> 2C PHYA5/< /b> 2CCentre NumberSurnameOther ... theroundabout. (2 < /b> marks)1 (b) (ii) Calculate the new angular speed of the roundabout. You may assume that the frictionaltorque at the roundabout bearing is negligible.answer = rad s–1 (2 < /b> ... the grinding wheel, giving an appropriate unit.answer = (2 < /b> marks) 2 < /b> (a)< /b> (ii) Calculate the power required to keep the wheel rotating at 120< /b> rad s–1.answer = W (1 mark) 2 < /b> (b) When the chisel...