Hypoid ring and pinion gears are used in passenger car drive axles. Technician A says that the concave side of a hypoid ring gear tooth is called the drive side. Technician B says the heel is the small, inner end of the ring gear tooth. Which technician is correct?

the bal will not change its velocity.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles