2. 1D Motion / Kinematics
Average Velocity
2. 1D Motion / Kinematics
Average Velocity
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- Multiple Choice
Beginning from a signpost, you run 60m to the right, then 60m back. The entire trip takes 24 seconds. What is your speed and velocity for the whole trip?
2542views77rank2comments - Multiple Choice
You walk to the right at 3m/s for 8s, then turn around and walk backwards at 2m/s for some unknown time. You end up 16m to the right from where you started. How long did you walk backwards?
1907views52rank4comments - Multiple ChoiceWhile out for a jog one day, James went 4.2 miles in 45 minutes. What was his average speed?482views
- Textbook Question
If you are driving 85 km/h along a straight road and you look to the side for 2.0 s, how far do you travel during this inattentive period?
450views - Textbook QuestionYou normally drive on the freeway between San Diego and Los Angeles at an average speed of 105 km/h (65 mi/h), and the trip takes 1 h and 50 min. On a Friday afternoon, however, heavy traffic slows you down and you drive the same distance at an average speed of only 70 km/h(43 mi/h). How much longer does the trip take?2491views
- Textbook QuestionA car is stopped at a traffic light. It then travels along a straight road such that its distance from the light is given by x(t) = bt2 − ct3, where b = 2.40 m/s2 and c = 0.120 m/s3. (a) Calculate the average velocity of the car for the time interval t = 0 to t = 10.0 s.2082views1rank
- Textbook QuestionIn an experiment, a shearwater (a seabird) was taken from its nest, flown 5150 km away, and released. The bird found its way back to its nest 13.5 days after release. If we place the origin at the nest and extend the +x–axis to the release point, what was the bird's average velocity in m/s (a) for the return flight1653views
- Multiple ChoiceYou drive for 30 minutes at 30 mph and then for another 30 minutes at 50 mph. What is your average speed for the whole trip?5views