Question

Question 2: A car hits a tree at an estimated speed of 25 mi/hr on a 3% upgrade. If skid marks of 120 ft are observed on dry pavement (F=0.35) followed by 250 ft (F=0.25) on a grass-stabilized shoulder, estimate the initial speed of the vehicle just before the pavement skid began.

Answer 1

he hve, d uv U-nda welety Fost Calauhte t ^ulkr disbuce So 300.5 +00e3) Speadveick b shdmg shouldr, 52.20 mph Caleulate Davement 2-2 120 to.olx 3 bePoe idling Speed ve hie k 64 mph 63.975