Don't use chat gpt The velocity of the wind relative to the wateris crucial to sailboats. Suppose a sailboat is inan ocean current that has a velocity of 2.9 m/s in a direction 34\deg east of north relativeto the Earth. It encounters a wind that has avelocity of 4.8 m/s in a direction of 55\deg.south of west relative to the Earth.Part (a) What is the magnitude of thevelocity of the wind relative to the water, inmeters per second?Part (b) What is the angle of the velocity ofthe wind relative to the water degrees southof west?

That is to say, the velocity of the wind relative to the water counts both its own movement and the…

Answered: The velocity of the wind relative to…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 2.10CYU: Check Your Understanding Verify that vector v V obtained in Example 2.14 is indeed a unit vector by...

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a) A wind turbine with two or four hollow hemispherical cups connected to a pivot is commonly uscd to measure wind speed. Consider a wind turbine with four 8-cm- diameter cups with a center-to-center distance of 40 cm, as shown in Fig. PI1-35. The pivot is stuck as a result of some malfunction, and the cups stop rotating. For a wind speed of 15 m/s and air density of 1.25 kg/m3, determine the maximum torque this turbine applies on the pivot. A hemisphere at two different orientations for Re > 10 40 cm C04
A boat with a still water velocity of 20.0km/hr heads North across a river that flows directly East at 12.0km/hr. ( I am in need of help with d & e). a) What will be the resultant velocity of the boat if it does not fight the current ? (23.3 km/hr 31.0o E of N) b) If the river is 700.m wide, how long will it take the boat to reach the opposite side if it does not fight the current ? (.035hr) c) How far downstream, relative to the bank, will the boat be carried if it does not fight the current ? (.420km or 420.m) d) What must be the heading of the boat if it is to keep a path directly North across the stream ? Draw a vector diagram. e) How long will it take the boat to cross the stream if it keeps its heading during the entire trip ?

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