Question

A train i travelling along it railroad track. It low down, goe around a turn, peed back up, coat at a contant velocity for awhile, then low down again. How many time did the train accelerate?

Repone

1

2

3

4

Answer 1

4

Step-by-step explanation:

Slowing down is ONE accel ( a negative acceleration)

Speeding up is a positive acceleration

Going around a curve is another acceleration

slowing down again is the fourth acceleration