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slava [35]
3 years ago
15

The wave equation says that a waves ________ is equal to its wavelength times its frequancy

Physics
2 answers:
siniylev [52]3 years ago
6 0
Even if we had no idea, we could get a clue by just looking at the units. The unit of wavelength is 'meters', and the unit of frequency is 'per second'. When you multiply them, the unit of their product is 'meters per second'. Well now, what could that be a unit of ? It kinda looks like speed. Oh yeahhh ! Wavelength times frequency is the SPEED of the wave !
balandron [24]3 years ago
5 0

Answer:

Speed APEX verified

Explanation:

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(1) The ball is in the air for <u>1.4 seconds.</u>

(2) The horizontal velocity of the ball as it rolls off the table is<u> 6.32 m/s.</u>

(3) The vertical velocity of the ball right before it hits the ground is <u>13.72 m/s.</u>

(4) The horizontal velocity of the ball right before it hits the ground is<u> 6.32 m/s.</u>

(5) The initial vertical velocity as soon as the ball comes of the cliff is <u>13.72 m/s​.</u>

<h3>What is the time of motion of the ball?</h3>

The time of motion of the ball is calculated by applying the following equation.

t = √(2h/g)

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The horizontal velocity of the ball is calculated as follows;

v = d/t

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v = 6.32 m/s

The vertical velocity of the ball before it hits the ground is calculated as;

vf = vi + gt

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The horizontal velocity of the ball right before it hits the ground is calculated as;

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The initial vertical velocity as soon as the ball comes off the cliff = final vertical velocity = 13.72 m/s

Learn more about horizontal velocity here: brainly.com/question/24949996

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