Ball #1 (mass m) rolls off a table of height h and ball #2 (mass 3 m) rolls off a table of height 3 h. The balls have the same initial speed and hit the floor at horizontal distances x1 and x2 from the base of the table, respectively. Which statement is true? a) x2 = 3 x1 b) x2 = x1 c) x2 = √ 3 x1 d) x2 = 9 x1

Ball #1 (mass m) rolls off a table of height h and ball #2 (mass 3 m) rolls off a table of height 3 h. The balls have the same initial speed and hit the floor at horizontal distances x1 and x2 from the base of the table, respectively. Which statement is true? a) x2 = 3 x1 b) x2 = x1 c) x2 = √ 3 x1 d) x2 = 9 x1

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Vectors

Section: Chapter Questions

Problem 30P: In an assembly operation illustrated in Figure P3.30. a robot moves an object first straight upward...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

Ball #1 (mass m) rolls off a table of height h and ball #2 (mass 3 m) rolls off a table of height 3 h. The balls have the same initial speed and hit the floor at horizontal distances x₁ and x₂ from the base of the table, respectively. Which statement is true?
a) x₂ = 3 x₁
b) x₂ = x₁
c) x₂ = √ 3 x₁
d) x₂ = 9 x₁

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In an assembly operation illustrated in Figure P3.30. a robot moves an object first straight upward and then also to the east, around an arc forming one-quarter of a circle of radius 4.80 cm that lies in an eastwest vertical plane. The robot then moves the object upward and to the north, through one-quarter of a circle of radius 3.70 cm that lies in a northsouth vertical plane. Find (a) the magnitude of the total displacement of the object and (b) the angle the total displacement makes with the vertical. Figure P3.30
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Subject:- Physics