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2 years ago

6

A dog chase is a cat until the dog gets tired. A graph of its velocity overtime is shown below. What is the dogs average acceler

ation from 0-12 seconds?

2 answers:

dsp732 years ago

8 0

Answer: 0.67 m/s^2

Explanation:

Bc it is trust me

Debora [2.8K]2 years ago

5 0

Answer:

.67 m/s^2

Explanation:

khan academy

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An open pipe of length 0.39 m vibrates in the third harmonic with a frequency of 1400 Hz what is the distance from the center of

Svetach [21]

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Now there are 3 loops so here we can say

$3\times \frac{\lambda}{2} = 0.39$

$\lambda = 0.26 m$

now here at the center of the pipe it will form Node

we need to find the distance of nearest antinode

So distance between node and its nearest antinode will be

$d = \frac{\lambda}{4}$

$d = \frac{0.26}{4} = 0.065 m = 6.5 cm$

So the distance will be 6.5 cm

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