A community for students.
Here's the question you clicked on:
 0 viewing
rshahid814
 3 years ago
An automobile travels on a straight road for 34 km at 42 km/h. It then continues in the same direction for another 34 km at 84 km/h. (a) What is the average velocity (in km/h) of the car during this 68 km trip? (Assume that it moves in the positive x direction.) (b) What is the average speed (in km/h)?
rshahid814
 3 years ago
An automobile travels on a straight road for 34 km at 42 km/h. It then continues in the same direction for another 34 km at 84 km/h. (a) What is the average velocity (in km/h) of the car during this 68 km trip? (Assume that it moves in the positive x direction.) (b) What is the average speed (in km/h)?

This Question is Closed

Annand
 3 years ago
Best ResponseYou've already chosen the best response.0a) time for 1st stretch, t1=34/42 hrs time for 2nd stretch, t2=34/84 hrs total time,t=t1+t2 avg. vel.=total displacement/total time

Annand
 3 years ago
Best ResponseYou've already chosen the best response.0b) Here avg.speed=avg. vel because displacement and distance traveled are the same
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.