Motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is her averagespeed for the trip?None of these Okm/h 90 Okm/h 85 Okm/h 88 Okm/h 92 O

Average speed =total distance /total time taken

Answered: Motorist travels for 3.0 h at 80 km/h…

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Motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is her average speed for the trip?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 8OQ

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

Motorist travels for 3.0 h at 80 km/h and 2.0 h at 100 km/h. What is her average
speed for the trip?
None of these O
km/h 90 O
km/h 85 O
km/h 88 O
km/h 92 O

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