A 425 m wide river flows North at 2.0 m/s. A turtle points himself directly East and swims at 8.0 m/s. How long will it take to cross the river? How far downriver does he end up? What is his resultant velocity as he crosses the river?

A 425 m wide river flows North at 2.0 m/s. A turtle points himself directly East and swims at 8.0 m/s. How long will it take to cross the river? How far downriver does he end up? What is his resultant velocity as he crosses the river?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.1: Vectors

Problem 3PP

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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

A 425 m wide river flows North at 2.0 m/s. A turtle points himself directly East and swims at 8.0 m/s.

How long will it take to cross the river?
How far downriver does he end up?
What is his resultant velocity as he crosses the river?
What heading should he take in order to head directly East?
How long will take to cross the river in this case?

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