A community for students.
Here's the question you clicked on:
 0 viewing
WebsWeWeave
 2 years ago
A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?
a.
2.50 m/s to the south
c.
2.50 m/s to the north
b.
2.27 m/s to the north
d.
0.0 m/s
WebsWeWeave
 2 years ago
A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip? a. 2.50 m/s to the south c. 2.50 m/s to the north b. 2.27 m/s to the north d. 0.0 m/s

This Question is Closed

cwrw238
 2 years ago
Best ResponseYou've already chosen the best response.3average velocity = total distance travelled  total time taken

undertakeriivv
 2 years ago
Best ResponseYou've already chosen the best response.0ok uh velocity = distance/time x = 30/15 x = 30/19

cwrw238
 2 years ago
Best ResponseYou've already chosen the best response.3total distance = 2*30 meters total time = 15 + 19 seconds

mathmate
 2 years ago
Best ResponseYou've already chosen the best response.1Velocity = (final distance  initial distance)/time =(00)/(15+19) =0

cwrw238
 2 years ago
Best ResponseYou've already chosen the best response.3strictly speaking , in classical mechanics the formula i gave you is for the average SPEED which is independent of the direction, whereas velocity has both speed and direction.

WebsWeWeave
 2 years ago
Best ResponseYou've already chosen the best response.0@mathmate Joe is on a crosscountry trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the average speed for this part of his trip? a. 67.6 km/h c. 54.7 km/h b. 68.4 km/h d. 53.8 km/h

WebsWeWeave
 2 years ago
Best ResponseYou've already chosen the best response.0@patdistheman Two cars drive in the same direction along a straight road, at a constant speed  one at 70 km/hr and the other at 80 km/hr. Assuming that they start at the same point and at the same time, how much sooner would the faster car arrive at a destination 460 km away? a. 49 minutes c. 5.75 hrs b. 6.6 hrs d. 741 minutes

patdistheman
 2 years ago
Best ResponseYou've already chosen the best response.0I do not see how this can be 0. A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip? a. 2.50 m/s to the south c. 2.50 m/s to the north b. 2.27 m/s to the north d. 0.0 m/s

WebsWeWeave
 2 years ago
Best ResponseYou've already chosen the best response.0is it c @patdistheman

patdistheman
 2 years ago
Best ResponseYou've already chosen the best response.0A total distance of 60 meters is traveled in 34 seconds it would seem the average velocity would be (60/34) = 1.765 m/s.

mathmate
 2 years ago
Best ResponseYou've already chosen the best response.1@mathmate Joe is on a crosscountry trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the average speed for this part of his trip? a. 67.6 km/h c. 54.7 km/h b. 68.4 km/h d. 53.8 km/h What you would do is to tabulate the time and distances. dw:1357264764179:dw Average speed = total distance/total time = 95.8333/1.75 hr. = 54.76 km/hr
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.