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A ball thrown horizontally from the top of a building hits the ground in 0.400 s. If it had been thrown with twice the speed in the same direction, it would have hit the ground in 0.400 s 0.200 s O 0.100 s 1.60 s 0.800 s

A ball thrown horizontally from the top of a building hits the ground in 0.400 s. If it had been thrown with twice the speed in the same direction, it would have hit the ground in 0.400 s 0.200 s O 0.100 s 1.60 s 0.800 s

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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**Problem Statement:** A ball thrown horizontally from the top of a building hits the ground in 0.400 seconds. If it had been thrown with twice the speed in the same direction, it would have hit the ground in: - ○ 0.400 s - ○ 0.200 s - ○ 0.100 s - ○ 1.60 s - ○ 0.800 s **Explanation:** In projectile motion, the time to hit the ground is independent of the horizontal speed. This means that even if the ball is thrown with twice the horizontal speed, the time taken to reach the ground remains the same, because the vertical motion is only affected by gravity. Therefore, the correct answer is 0.400 s.
Transcribed Image Text:**Problem Statement:** A ball thrown horizontally from the top of a building hits the ground in 0.400 seconds. If it had been thrown with twice the speed in the same direction, it would have hit the ground in: - ○ 0.400 s - ○ 0.200 s - ○ 0.100 s - ○ 1.60 s - ○ 0.800 s **Explanation:** In projectile motion, the time to hit the ground is independent of the horizontal speed. This means that even if the ball is thrown with twice the horizontal speed, the time taken to reach the ground remains the same, because the vertical motion is only affected by gravity. Therefore, the correct answer is 0.400 s.
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Given data: 

A ball is thrown horizontally from the top of the building

The time taken to hit the ground (t) = 0.400 s

Required:

When Initial horizontal speed is double, the time taken to hit the ground 

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