A train travels due south at 32 m/s (relative to the ground) in a rain that is blown toward the south by the wind. The path of each raindrop makes an angle of 65° with the vertical, as measured by an observer stationary on the ground. An observer on the train, however, sees the drops fall perfectly vertically. Determine the speed of the raindrops relative to the ground. Number i Units

A train travels due south at 32 m/s (relative to the ground) in a rain that is blown toward the south by the wind. The path of each raindrop makes an angle of 65° with the vertical, as measured by an observer stationary on the ground. An observer on the train, however, sees the drops fall perfectly vertically. Determine the speed of the raindrops relative to the ground. Number i Units

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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elearn.squ.edu.om/mod/quiz/ NG SYSTEM (ACADEMIC) al Physics I- Spring21 Time left 0:18:56 The runway of an airport in Oman has been designed such that the lowest acceleration for a plane to take off is 14.3 m/s?. The take-off speed for this plane will be 54.9 m/s. Assuming this minimum acceleration, then the minimum allowed length (m) for the runway is: O a. 105.38 O b. 52.69 O c. 421.54 O d. 210.77 A car travels along the vector d1 = 4.6i+3.1 (m). and then travels along the vector d2 = 2,41+5.81(m). How far is
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P. t © 2012 Pearson Education, Inc. This is the x-t graph of the motion of a particle. At which point(s) v, is positive? (There may be more than one correct answer, select all)
Problem An explorer in Antarctica leaves his shelter during a whiteout. He takes 50 m northeast, next 180 m at 72° north of west, and then 150 m due south. Save the explorer from becoming hopelessly lost by giving him the displacement, calculated by using the method of components, that will return him to his shelter. Solution By vector-component approach, we list down the given in a table as follows: x-component (w/ sign direction) y-component (w/ sign direction) Given A = 50 m NE m B = 180 m 72° NW m C = 150 m S m m Resultant m Thus, the magnitude of the resultant vector is R = With a direction of e = O NW Therefore, the vector needed for him to successfully get back home is Rhome = OSE m EE
Current Attempt in Progress A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the intersection is 24.9 m. The plane decelerates through the intersection at a rate of 6.18 m/s2 and clears it with a final speed of 42.1 m/s. How much time is needed for the plane to clear the intersection? Number i eTextbook and Media Save for Later Units -w- V L MacBook Air Attempts: 0 of 5 used Submit Answer
QUESTION 18 The horizontal distance or range (R) of an object thrown at an angle e from the horizontal is represented by the equation below where vo is the initial velocity as the object leaves the hand, in feet per second. If vo = 2500 feet per second and e is changed from 13° to 14°, use differentials to approximate the change in range, in feet. R= sin20 32 6128 8609 521782 351091
2. Juliet is trying to determine the height of her balcony from the base of the building without leaving her balcony. To do this, she asks Romeo for advice. Using concepts of physics that we have discussed in class, what advice should Romeo give to Juliet? Hint: Assume that Juliet has access to a timer and her reacting time to start and stop the timer is zero. Also, she has an object that she can drop and there is no air resistance. Clearly, explain your answer.
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%3D 7. The position coordinates of a particle are given by x = In(1 + 2t), y = 2 cos(tt), and z = tsin(Tt/2) where x, y,and z are in meters while t is in seconds. Determine the following quantities: A. Position vector at t-0.0s and t= 1.0s B. Distance of the particle from the origin at t=0.0 s and t= 1.0 s C. Average velocity in the time interval t-0.0 s to t=1.0 s D. Instantaneous velocity at time t-0.0 s, and at time t=1.0 s E. Average acceleration in the time interval t=D0.0 s to t=1.0 s F. Instantaneous acceleration at time t= 0.0 s, t=0.5 s, and t= 1.0 s