Figure 10: River B VB VR A boat crosses a river of width 23.4 meters. The boat was traveling with a speed of 5.2 meters per second relative to the water. The river was moving to the right with a speed of vr = 3.5 m/s relative to the shore. The boat was traveling at an angle of theta = 0 = 56.5 degrees relative to the water away from the near shore. In other words, theta e is the angle between the velocity of the boat relative to the water and the velocity of the water relative to the shore. The situation is shown in figure 2, above. The boat left the near shore at point A and reached the opposite shore at point B (both indicated in the diagram above). Assume the shores of the river are parallel and straight, and all velocities are constant. Point B is a distance d downstream (to the right) from Point A. Calculate the distance d in meters.

Figure 10: River B VB VR A boat crosses a river of width 23.4 meters. The boat was traveling with a speed of 5.2 meters per second relative to the water. The river was moving to the right with a speed of vr = 3.5 m/s relative to the shore. The boat was traveling at an angle of theta = 0 = 56.5 degrees relative to the water away from the near shore. In other words, theta e is the angle between the velocity of the boat relative to the water and the velocity of the water relative to the shore. The situation is shown in figure 2, above. The boat left the near shore at point A and reached the opposite shore at point B (both indicated in the diagram above). Assume the shores of the river are parallel and straight, and all velocities are constant. Point B is a distance d downstream (to the right) from Point A. Calculate the distance d in meters.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

Question

Figure 10:
River
B
VB
VR
A boat crosses a river of width 23.4 meters. The boat was traveling with a speed of 5.2 meters per second
relative to the water. The river was moving to the right with a speed of vr = 3.5 m/s relative to the shore.
The boat was traveling at an angle of theta = 0 = 56.5 degrees relative to the water away from the near shore.
In other words, theta e is the angle between the velocity of the boat relative to the water and the velocity of the
water relative to the shore. The situation is shown in figure 2, above.
The boat left the near shore at point A and reached the opposite shore at point B (both indicated in the diagram
above). Assume the shores of the river are parallel and straight, and all velocities are constant. Point B is a
distance d downstream (to the right) from Point A. Calculate the distance d in meters.

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