A boy throws a stone upward from the top of a building with an initial velocity of 20 m/s. The building is 50 m high. Determine: a.) time needed for the stone to reach maximum height b.) maximum height c.) time needed for the stone to reach the level of the thrower d.) velocity of the stone at this instant

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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QUESTION: 

A boy throws a stone upward from the top of a building with an initial velocity of 20 m/s. The building is 50 m high. Determine:

a.) time needed for the stone to reach maximum height

b.) maximum height

c.) time needed for the stone to reach the level of the thrower

d.) velocity of the stone at this instant

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Which of the four formulas in the picture did you use in your solution above? I need to use the same formula as what is in the picture.

1- Vaverage
2)
?
VE-Vo
2
Vf = Vo + at
3.) V ₁² = V₁² + 2a (x-x₂)
2
4. (X-Xo) = Vot + ½/2 at ²
2
Transcribed Image Text:1- Vaverage 2) ? VE-Vo 2 Vf = Vo + at 3.) V ₁² = V₁² + 2a (x-x₂) 2 4. (X-Xo) = Vot + ½/2 at ² 2
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