[填空题]
Drag-race tires in contact wimd.8 4b8tiy+l6zqsm z th an asphalt surfacb1wp.p 7iqk.ee have a very high coefficient o.pie p7q 1k.wbf 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.
