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11. A student throws a heavy red ball from a balcony of a tall building with an initial speed vo at an angle 0, above the horizontal. At the same time, a second student throws a lighter blue ball from the same balcony with an initial speed vo at an angle 02 above the horizontal. Suppose that 02 > 01. Which of the following statements must be true? The impulse given to the red ball is the same as the blue ball. While each ball is in the air, the red ball has the greater magnitude of acceleration, if the a. b. effects of air resistance is included. c. If air resistance is ignored, then both balls reach the ground at the same instant. d. If air resistance is ignored, then both balls hit the ground with the same speed. If air resistance is ignored, then both balls hit the ground with the same angle of impact. e.

11. A student throws a heavy red ball from a balcony of a tall building with an initial speed vo at an angle 0, above the horizontal. At the same time, a second student throws a lighter blue ball from the same balcony with an initial speed vo at an angle 02 above the horizontal. Suppose that 02 > 01. Which of the following statements must be true? The impulse given to the red ball is the same as the blue ball. While each ball is in the air, the red ball has the greater magnitude of acceleration, if the a. b. effects of air resistance is included. c. If air resistance is ignored, then both balls reach the ground at the same instant. d. If air resistance is ignored, then both balls hit the ground with the same speed. If air resistance is ignored, then both balls hit the ground with the same angle of impact. e.

College Physics
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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11. A student throws a heavy red ball from a balcony of a tall building with an initial speed vo at an angle 0, above the horizontal. At the same time, a second student throws a lighter blue ball from the same balcony with an initial speed vo at an angle 02 above the horizontal. Suppose that 02 > 01. Which of the following statements must be true? The impulse given to the red ball is the same as the blue ball. While each ball is in the air, the red ball has the greater magnitude of acceleration, if the a. b. effects of air resistance is included. c. If air resistance is ignored, then both balls reach the ground at the same instant. d. If air resistance is ignored, then both balls hit the ground with the same speed. If air resistance is ignored, then both balls hit the ground with the same angle of impact. e.
Transcribed Image Text:11. A student throws a heavy red ball from a balcony of a tall building with an initial speed vo at an angle 0, above the horizontal. At the same time, a second student throws a lighter blue ball from the same balcony with an initial speed vo at an angle 02 above the horizontal. Suppose that 02 > 01. Which of the following statements must be true? The impulse given to the red ball is the same as the blue ball. While each ball is in the air, the red ball has the greater magnitude of acceleration, if the a. b. effects of air resistance is included. c. If air resistance is ignored, then both balls reach the ground at the same instant. d. If air resistance is ignored, then both balls hit the ground with the same speed. If air resistance is ignored, then both balls hit the ground with the same angle of impact. e.
Expert Solution
Step 1

Calculate the impulse of both the balls.

Physics homework question answer, step 1, image 1

Step 2

From the above expression it can be inferred, the impulse is directly proportional to the mass. Thus, the heavy ball has the greater impulse. Therefore, the impulse of both the balls is not the same.

 

The ball in projectile is undergoes a free fall motion. Therefore, both the acceleration of both the balls is the same.

 

The time taken to reach the ground for both the ball is,

Physics homework question answer, step 2, image 1

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