85. An object is dropped from a 32 m tall building. How fast willit be going when it strikes the
1 answer:
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Answer:
The near point is
Explanation:
From the question we are told that
The power is
The distance from the eye is
The distance of the book from the eye is
Generally the focal length of the glasses is
=>
=>
=>
The object distance is evaluated as
=>
=>
The image distance is evaluated from lens formula as
=>
=>
=>
The near point is evaluated as
=>
=>
Answer:
Explanation:
From the question we are told that:
Height of window
Height of window off the ground
Time to fall and drop
Generally the Newton's equation motion is mathematically given by
Where
Generally the Newton's equation motion is mathematically given by
Where
Therefore the ball’s initial speed