dog tries to cross a 165 m wide river. It can swim at an average speed of 1.52 m/s. The river has a current of 1.2 m/s [E]. Initially, the dog aims at its owner who is directly across the river (direction perpendicular to the current). Determines the resulting

dog tries to cross a 165 m wide river. It can swim at an average speed of 1.52 m/s. The river has a current of 1.2 m/s [E]. Initially, the dog aims at its owner who is directly across the river (direction perpendicular to the current). Determines the resulting

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section: Chapter Questions

Problem 16SA: What is the direction of the acceleration vector of a person on the spinning Earth if the person is...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

A dog tries to cross a 165 m wide river. It can swim at an average speed of 1.52 m/s. The river has a current of 1.2 m/s [E]. Initially, the dog aims at its owner who is directly across the river (direction perpendicular to the current). Determines the resulting velocity vector of the dog relative to the ground.

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