Turner's treadmill runs with a velocity of -1.2 m/s and speeds up at regular intervals during a half-hour workout. After 25min, the treadmill has a velocity of -6.5 m/s. What is the average acceleration of the treadmill during this period?

Question

21454 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-10-26T14:59:32

#=("Final velocity" -"Initial velocity")/"Time"#

#=((-6.5-(-1.2))m/s)/(25xx60s)#

#=-5.3/1500m/s^2#

#=-3.53xx10^"-3"m/s^2#