Question

A bicuspid (mitral) valve is present between the left, atrium and ventricle
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Answer 1

Explanation:

By using the equation of motion

v=u+at

By substituting the given values in the above equation

15=6+105t

Then the time is0.0857sec

The distance covered is given as

S=ut+21at2

S=6×0.0857+21×105×(0.0857)2

S=0.514+0.385

The distance covered is0.899m

Answer 2

Answer:

First, sound travels faster in water than in air. So, any sound produced in water will be audible clearly in the air.

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