8. Two ball bearings x and y are dropped vertically from a height of 1 km above the earth's surface. They are initially atrest. The mass of y is half that of x. Neglecting air resistance, which correct? A The time taken by x to reach the ground would be twice that taken by y. B The time taken by x to reach the ground would be half that taken by y. C Y would reach the ground before x. D The time taken by x and y to reach the ground will be the same.

8. Two ball bearings x and y are dropped vertically from a height of 1 km above the earth's surface. They are initially atrest. The mass of y is half that of x. Neglecting air resistance, which correct? A The time taken by x to reach the ground would be twice that taken by y. B The time taken by x to reach the ground would be half that taken by y. C Y would reach the ground before x. D The time taken by x and y to reach the ground will be the same.

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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