Question

Mark drives due west with a speed of 35.0 mi/h for 30.0 min, then continues in the same direction with a speed of 60.0 mi/h for 2.00 h, then drives farther west at 25.0 mi/h for 10.0 min. What is trip?

Answer 1

$s=(35\cdot0.5)+ (60\cdot2)+(25\cdot 1/6)=141.7\ (mi)$ . Answer