Speedy Sue, driving at 31.5 m/s, enters a one-lane tunnel. She then observes a slow-moving van 105 m ahead traveling in the same direction as her at 5.10 m/s. Sue applies her brakes but can decelerate only at 1.85 m/s^2 because the road is wet. Will there be a collision?
yes or no?
If yes...
here is the problem.. i keep getting yes for the first part and then around 163 for the second part. please help.
Speedy Sue, driving at 31.5 m/s, enters a one-lane tunnel. She then observes a slow-moving van 105 m ahead traveling in the same direction as her at 5.10 m/s. Sue applies her...