A stone is thrown vertically into the air at a velocity of 60 m/sec. After 4 seconds, another stone is thrown vertically into the air. a. Determine the time that the first ball has travelled in order to meet the second ball 120 m from the ground. Ans. t1 = 6.1 sec , t2 = 3.6 sec b. Determine the time that the second ball has travelled in order to meet the first ball 120 m from the ground. Ans. t3 = 5.7 sec c. What initial velocity must the second ball have in order to meet the first ball 120 m from the ground? Ans. V3 = 49 m/sec Please indicate the formula and what to find given value.

A stone is thrown vertically into the air at a velocity of 60 m/sec. After 4 seconds, another stone is thrown vertically into the air. a. Determine the time that the first ball has travelled in order to meet the second ball 120 m from the ground. Ans. t1 = 6.1 sec , t2 = 3.6 sec b. Determine the time that the second ball has travelled in order to meet the first ball 120 m from the ground. Ans. t3 = 5.7 sec c. What initial velocity must the second ball have in order to meet the first ball 120 m from the ground? Ans. V3 = 49 m/sec Please indicate the formula and what to find given value.

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Description: A stone is thrown vertically into the air at a velocity of 60 m/sec. After 4 seconds, another stone is thrown vertically into the air.a. Determine the time that the first ball has travelled in order to meet the second ball 120 m from the ground.Ans.

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Concept explainers

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

A stone is thrown vertically into the air at a velocity of 60 m/sec. After 4 seconds, another stone is thrown vertically into the air.

a. Determine the time that the first ball has travelled in order to meet the second ball 120 m from the ground.

Ans. t₁ = 6.1 sec , t₂ = 3.6 sec

b. Determine the time that the second ball has travelled in order to meet the first ball 120 m from the ground.

Ans. t₃ = 5.7 sec

c. What initial velocity must the second ball have in order to meet the first ball 120 m from the ground?

Ans. V₃ = 49 m/sec

Please indicate the formula and what to find given value.

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