A 250-m-wide river flows due east at a uniform speed of 3.8m/s. A boat with a speed of 7.0m/s relative to the water leaves the south bank pointed in a direction 30° west of north. What is the (a) magnitude and (b) direction of the boat's velocity relative to the grounc Give the direction as the angle of the velocity from due north, positive if to the east and negative if to the west. (c) How long does it take for the boat to cross the river? (a) Number i Units (b) Number i Units (c) Number i Units
A 250-m-wide river flows due east at a uniform speed of 3.8m/s. A boat with a speed of 7.0m/s relative to the water leaves the south bank pointed in a direction 30° west of north. What is the (a) magnitude and (b) direction of the boat's velocity relative to the grounc Give the direction as the angle of the velocity from due north, positive if to the east and negative if to the west. (c) How long does it take for the boat to cross the river? (a) Number i Units (b) Number i Units (c) Number i Units
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.3P: If a projectile is fired from the origin of the coordinate system with an initial velocity υ0 and in...
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