[填空题]
Drag-race tires in contact with an asphalt surfa otyq2ex-wi- 1q3 /sc4ug n+97anjshucecb-0s vw6og,h have a very high coefficient -,6wb s0ho gcvof static friction.
Assuming a constant acceleration and no slipping of tires, estimate the coefficient of static friction needed for a drag racer to cover 1.0 km in 12 s , starting from rest.
