0l) m, where t is measuredlt Qtbereration of the particle at the instant when its velocity is zero?1O. An object is thrown vertically and has an upward velocity of 18 m/s ywhen it reaches one fourth ofitsmaximum height above its launch point. What is the initial (launch) speedof the object?11/A stone is thrown from the top of a building with an initial yelociti nf 10nitial velocity of

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Asked Jan 18, 2019
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0l) m, where t is measured
lt Qtbereration of the particle at the instant when its velocity is zero?
1O. An object is thrown vertically and has an upward velocity of 18 m/s ywhen it reaches one fourth ofits
maximum height above its launch point. What is the initial (launch) speedof the object?
11/A stone is thrown from the top of a building with an initial yelociti nf 10
nitial velocity of
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0l) m, where t is measured lt Qtbereration of the particle at the instant when its velocity is zero? 1O. An object is thrown vertically and has an upward velocity of 18 m/s ywhen it reaches one fourth ofits maximum height above its launch point. What is the initial (launch) speedof the object? 11/A stone is thrown from the top of a building with an initial yelociti nf 10 nitial velocity of

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Expert Answer

Step 1

The initial speed of the object thrown vertically upward can be calculated using given steps.

Step 2

Velocity of the object at maximum height is zero. Thus, applying second kinematical equation of motion we get,

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Step 3

Given:

...
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