Business
Engineering
Math
Science
Social ScienceConstantsPart A(Figure 1)A swimmer wants to cross a river, from pointA to point B, as shown in the figure. The distance difrom A to C) is 200 m, the distance d2 (from C to B) is150 m, and the speed vr of the current in the river is 5km/hour. Suppose that the swimmer's velocityrelative to the water makes an angle ofθ-45 degrees with the line from A to C, asindicated in the figureTo swim directly from A to B, what speed us, relative to the water, should the swimmer have?Express the swimmer's speed numerically, to three significant figures, in kilometers per hour.View Available Hint(s)Figure1 of 1>km/hourSubmitProvide Feedbackv,5 km/hour
Image Transcriptionclose
Constants Part A (Figure 1)A swimmer wants to cross a river, from point A to point B, as shown in the figure. The distance di from A to C) is 200 m, the distance d2 (from C to B) is 150 m, and the speed vr of the current in the river is 5 km/hour. Suppose that the swimmer's velocity relative to the water makes an angle of θ-45 degrees with the line from A to C, as indicated in the figure To swim directly from A to B, what speed us, relative to the water, should the swimmer have? Express the swimmer's speed numerically, to three significant figures, in kilometers per hour. View Available Hint(s) Figure 1 of 1> km/hour Submit Provide Feedback v, 5 km/hour
Expert Answer
Given,
Distance in y-direction, d1 = 0.2 km
Distance in x-direction, d2 = 0.15 km
Velocity of river, vr = 5 km/hr
Angle of swimmer velocity with the vertical direction, 
= 45o
Displacement by swimmer.
Relative velocity of swimmer w.r.t river = us
Velocity o...
Science
Physics
Vectors and Scalars
Related Physics Q&A
Find answers to questions asked by student like you
Show more Q&A addQ: Water falls without splashing at a rate of 0.310 L/s from a height of 3.10 m into a 0.710-kg bucket ...
A: The scale after 2.90 s after water start accumulating it is calculated in following steps.Given:Mass...
Q: What is the energy released in this β−β−nuclear reaction 20380Hg→20381Ti+0−1e80203Hg→81203Ti+−10e? (...
A: The expression for the nuclear reaction is,
Q: A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the mortor...
A: Given information: The distance covered with speed 80 km/h is 160 km and the distance covered with s...
Q: Chapter 23, Problem 051 In the figure a nonconducting spherical shell of inner radius a = 2.32 cm an...
A: The value of A can be calculated using given steps:Given:
Q: A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with ...
A: Taking sign of the upward direction of motion as positive and the downward direction of motion as ne...
Q: A parallel-plate capacitor has circular plates of 6.16 cm radius and 1.77 mm separation. (a) Calcula...
A: (a) For a parallel plate capacitor, the value of relative permittivity of the dielectric material(k)...
Q: A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of ...
A: It seems that there are multiple parts in the question,In one session we are allowed to answer only ...
Q: On May 26, 1934, a streamlined, stainless steel diesel train called the Zephyr set the world's nonst...
A: Given that the total distance covered by the train is 1633.8km, and the time taken for the journey i...
Q: At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.1 m/s...
A: The minimum time that a player should wait can be calculated as follows:Given:Initial velocity of th...
