Technician a says during the manufacturing of a wheel cylinder, the cylinder bore or inside diameter is created by drawing a properly sized ball bearing through the bore, which gives the surface a hard, smooth finish. technician b states that most manufactures recommend replacing rather than honing the wheel cylinder if it has pits or corrosion. who is correct?

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2