The interstate on-ramp is 5.5 km West of your home,and on leaving for grandmother's house you are only able to accomplish an average velocity of 38 km/hr between your home and the on-ramp.At the on-ramp,you wait for traffic,for 2.0 min - and then are able to proceed toward grandmother's house.If you wish to arrive there,which is 15 km South of the on-ramp,over a river and through some woods,having achieved an average velocity of 42 km/hr,how fast do you need to drive south on the interstate highway?
A) 58 km/hr
B) 48 km/hr
C) 78 km/hr
D) 39 km/hr

Question

Quizplus · Accepted Answer

The Answer of The interstate on-ramp is 5.5 km West of your home,and on leaving for grandmother's house you are only able to accomplish an average velocity of 38 km/hr between your home and the on-ramp.At the on-ramp,you wait for traffic,for 2.0 min - and then are able to proceed toward grandmother's house.If you wish to arrive there,which is 15 km South of the on-ramp,over a river and through some woods,having achieved an average velocity of 42 km/hr,how fast do you need to drive south on the interstate highway?
A) 58 km/hr
B) 48 km/hr
C) 78 km/hr
D) 39 km/hr

The Interstate On-Ramp Is 5