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trasher [3.6K]
2 years ago
9

9. Studying earthquake waves, density experiments, and observations of meteorites are ways that we study the

Physics
1 answer:
Svet_ta [14]2 years ago
5 0
The answer is A. Circumstantial
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A baseball is thrown horizontally with an initial speed of 10 m/s from the edge of a cliff. A stop watch measures the stone's ti
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Complete Question

A baseball is thrown horizontally with an initial speed of 10 m/s from the edge of a cliff. A stop watch measures the ball's time in the air until it hits the ground to be 4.3 s. How far does the baseball travel horizontally?

Answer:

The distance covered horizontally is  d =  43 \ m

Explanation:

From the question we are told that

     The initial horizontal velocity is  u = 10 \ m/s

     The time taken by the ball in the air is  t = 4.3 \ s

Generally the distance traveled by the ball is  

       d =  u  *  t

=>     d =   10 * 4.3

=>     d =  43 \ m

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At height h above the surface of Earth, the gravitational acceleration is What is h? Note: The radius of Earth is 6380 km.
rusak2 [61]

The acceleration of gravity is inversely proportional to
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The acceleration of gravity is 9.8 m/s² on the Earth's surface ...
6380 km from the center.

If the acceleration of gravity at 'h' is 4.9 m/s² ... 1/2 of what it is
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                 (6380 x √2) =  9,023 km  (rounded) ,

and 'h' is the distance above the surface

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8 0
3 years ago
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