When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.3 m/s2 as it slows from 9.5 m/s to 0 m/s.

Question

When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.3 m/s2 as it slows from 9.5 m/s to 0 m/s.
Find the time interval of acceleration for the bus.
Answer in units of s

Anonymous · Accepted Answer

Vf=0 Vi=9.5m/s A=5.3m/s2 T=? Vf=Vi+At 0=9.5-5.3m/s2 -9.5=-5.3m/s2(t) solve for T T=1.8s