*39. D mmh Review Conceptual Example 5 before beginning this prob-lem. You are traveling in a convertible with the top down. The car ismoving at a constant velocity of 25 m/s, due east along flat ground. Youthrow a tomato straight upward at a speed of 11 m/s. How far has the carmoved when you get a chance to catch the tomato?

Answered: Image /qna-images/answer/0887c7b5-c10b-4b06-a2cf-bfe6998d54dc.jpg

Answered: *39. D mmh Review Conceptual Example 5…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 47PE: (a) Calculate the height of a cliff if it takes 2.35 s for a rock to hit the ground when it is...

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A football quarterback is moving straight backward at a speed of 2.00 m/s when he throws a pass to a player 18.0 m straight downfield. (a) If the ball is thrown at an angle of 25° relative to the ground and is caught at the same height as it is released, what is its initial speed relative to the ground? (b) How long does it take to get to the receiver? (c) What is its maximum height above its point of release?
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0 m above a flat, horizontal beach as shown in Figure P3.7. (a) What are the coordinates of the initial position of the stone? (b) What are the components of the initial velocity? (c) Write the equations for the x- and y-components of the velocity of the stone with time, (d) Write the equations for the position of the stone with time, using the coordinates in Figure P3.7. (e) How long after being released does the stone strike the beach below the cliff? (f) With what speed and angle of impact does the stone land? Figure P3.7
Unreasonable Results A commercial airplane has an air speed of 280 m/s due east and flies with a strong tailwind. It travels 3000 km in a direction 5° south of east in 1.50 h. (a) What was the velocity of the plane relative to the ground? (b) Calculate the magnitude and direction of the tailwind's velocity. (c) What is unreasonable about both of these velocities? (d) Which premise is unreasonable?
1b. A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 18.5 m/s. The cliff is h = 20.0 m above a flat, horizontal beach as shown in the figure. What are the components of the initial velocity? v0x = ____m/s v0y = ____m/s
1e. A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 18.5 m/s. The cliff is h = 20.0 m above a flat, horizontal beach as shown in the figure. How long after being released does the stone strike the beach below the cliff? (in seconds)
a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. the cliff is 50.0 m above a flat, horizontal beach as shown in figure p3.23. (a) what are the coor- dinates of the initial position of the stone? (b) what are the components of the initial velocity? (c) write the equations for the x- and y-components of the veloc- ity of the stone with time. (d) write the equations for the position of the stone with time, using the coor- dinates in figure p3.23. (e) how long after being released does the stone strike the beach below the cliffe (f) with what speed and angle of impact does the stone land? 23) e) 3.19 secs f) 36.1 m/s 60.1 degrees below the horizontal
Chapter 03, Problem 49 From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. Using the data in the drawing, determine the distances (a) D and (b) H, which locate the point where the gun was fired. Assume that the bullet does not slow down as it passes through the window.
A seagull can fly at a velocity of 9.00 m/s in still air. (a) If it takes the bird 20.0 min to travel 6.00 km straight into an oncoming wind, what is the velocity of the wind? (b) If the bird turns around and flies with the wind, how long will it take the bird to return 6.00 km?
6) Two stones are separated by a vertical distance y (in meters) from each other. One stone is thrown down with an initial velocity v01 = -26 m/s and the other is thrown up from the ground with an initial v02 = 47 m/s at the same time the other is thrown. a) How far, in meters, must they be separated so they hit the ground at the same time? b) What is the impact velocity, in meters per second, of the first stone? c) What is the impact velocity, in meters per second, of the second stone?
69) A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a life preserver straight down to the victim with an initial velocity of 1.40 m/s and observes that it takes 1.8 s to reach the water. (a) List the knowns in this problem. (b) How high above the water was the preserver released? Note that the downdraft of the helicopter reduces the effects of air resistance on the falling life preserver, so that an acceleration equal to that of gravity is reasonable.
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0 m above a flat, horizontal beach as shown in Figure P3.23. (a) What are the coordinates of the initial position of the stone? (b) What are the components of the initial velocity? (c) Write the equations for the x- and y-components of the velocity of the stone with time. (d) Write the equations for the position of the stone with time, using the coordinates in Figure P3.23. (e) How long after being released does the stone strike the beach below the cliff? (f) With what speed and angle of impact does the stone land?
1) A plane flies north at 200m/s with a headwind blowing from the north at 70m/s. What is the resultant velocity of the plane? Note: headwind is defined as a wind blowing from directly in front, opposing forward motion as shown in the photo below. a) 130m/s south b) 130m/s north c) 270m/s south d) 270m/s north

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