Answered

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A raindrop falls from a cloud 100 m above the ground. Neglect air resistance. What is
the speed of the raindrop when it hits the ground? Is this a reasonable number? Explain.

Sagot :

GeorgePP

Answer:

Explanation:

Use the kinematic equation

[tex]V^2=V^2_i+2a(x_f-x_i)[/tex]

The initial velocity was given from the word "falls." Acceleration due to gravity is 9.8 m/s^2.

[tex]V^2=0^2+200(9.8)[/tex]

[tex]V=\sqrt{1960} =44.27m/s[/tex]

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