15. (10 points) An eagle is flying horizontally at 5 m/s with a fish in its claws. Itaccidentally drops the fish.a) How much time passes before the fish's speed triples?b) What is the angle between the fish's velocity vector and the horizontal at the instantits speed tripled?c) What is the magnitude of the displacement of the fish at that instant?

Step 1: Step 2: Step 3: Step 4:

Answered: 15. (10 points) An eagle is flying…

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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Answer the following. Thank you!
10.)
2. Assume that a particle, initially at the origin, travels in space with a velocity of V = cos(at)î + (5 – 10t)f – k, where t stands for time. (a) What is the acceleration of the particle as a function of time? (b) What is the position of the particle as a function of time? (c) Which component(s) of the particle's position vector will become zero again once the particle leaves the origin?
A stone was thrown with initial velocity of 20 m/s at angle 30 degrees above horizontal. If the stone is initially 35 m above the ground. Complete the sentences below. (0,0) 35 m 3 Vo=20.0 m/s 30.0°- 8. The impact velocity (just as it hit the ground) of the stone has y- component equal to heading downward 9. The horizontal displacement of the stone is 10. The stones impact velocity is ✿ the negative means that it is (x,- 35.0) : with an angle (standard angle) of • degrees.
15. Three balls are thrown in the air. Ball A is thrown at an angle of 70°, ball B at 45° and ball C at 30°. The highest point reached by each ball is the same. Which of the following is true? ©Rutgers University 2021 Na. Ball A must go the farthest distance. Ball A must have the highest in initial speed. С. All must hit the ground at the same time. d All must hit the ground with the same speed. e. All balls must go the same distance.
A car is moving with velocity v as shown. The driver notices a deer ahead then he hits the brake to slow down the car. Which arrow best represents the acceleration vector of the car? O (H) (G) O (F) O (E) ○ (D) (B) ○ (C) O (A) ○ (1) V G. H. B. C. La=0 F D. E.
0 = 30° Vo = 25 m/s H = 200 m dx = ? A plane flying at 25 m/s is diving with an angle of 30° to the horizontal when it drops a package at an altitude of 200 m. a) What is the horizontal displacement of the package when it hits the ground? b) What angle does the package make when it hits the ground?
3. A rock is thrown with a speed of 30 m/s at an angle of 35° above the horizontal. A vertical wall is located 25 m away. How long will it take for the rock to hit the wall? How high up the wall does the rock strike the wall? What are the rock's velocity components when it strikes the wall? Does the rock strike the wall on its way up or its way down? 4 a) t = 1.02 s b) y = 12.4 m c) v = (24.6î +7.24ĵ) m/s d) On the way up!
4. A hockey player makes a shot 4m away from goal at a horizontal velocity of 15 m/s. How long does the goalie have to react to the shot?
An object is launched at a velocity of 40 m/s in a direction making an angle of 50° upward with the horizontal. Q1. What is the maximum height reached by the object? 02. What is the total flight time (between launch and touching the ground) of the object? 03. What is the horizontal range (maximum x above ground) of the object?
1. Vo = 20.0 m/s S0.0° (0,0) 45.0 m (x, – 45.0 m) A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with an initial speed of 20.0 m/s, as in the figure. The point of release is 45.0 m above the ground. (a) How long does it take for the ball to hit the ground? (b) Find the ball's speed at impact. (c) Find the horizontal range of the ball. Neglect air resistance.
Question 3

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