One thing that stringed, wind, and percussion instruments have in common in reguard to the sounds they produce is that

1 answer:

5 0

The answer is that the sound originates from a vibration. One thing that stringed, wind, and percussion instruments have in common in regard to the sounds they produce is that the sound originates from a vibration.

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A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and falls with the acceleration of gravity.

Reptile [31]

Answer:

t = 3.94 s

Explanation:

This can be modeled as a case of free fall motion. Because, the falcon is going down with acceleration, that is equal to acceleration due to gravity. To find the time taken by the falcon to intercept the pigeon, we will use second equation of motion for vertical direction:

$h = v_{i}t + \frac{1}{2}gt^2$

where,

h = height = 76 m

vi = initial speed of falcon = 0 m/s

t = time required = ?

g = acceleration due to gravity = 9.81 m/s²

Therefore,

$76\ m = (0\ m/s)(t) + \frac{1}{2}(9.81\ m/s^2)t^2\\t^2 = \frac{(2)(76\ m)}{9.8\ m/s^2}\\\\t = \sqrt{ 15.49\ s^2}\\$

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3 years ago

if the motor in a geared appliance has a rated speed of 3600 rpm and a gear ratio of 6 to 1 the driven gear will turn at speed o

sergeinik [125]

3600/6/1= 600rpm. Higher torque, lower speed

7 0

3 years ago

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What was the first evidence that gravity outside our solar system worked the same way as it does inside?

Julli [10]

The first evidence that gravity outside our solar system worked the same way as it does inside is that Herschel measured the two stars that make up the Castor system moved around each other

<h3>What is a Solar system ?</h3>

The Sun, eight planets, their moons, comets, asteroids, meteoroids, and dwarf planets make up a solar system, which revolves around the Sun. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune are the eight planets that revolve in a particular order around the Sun.

Although there are more than 3,200 other stars in our galaxy with planets around them, our solar system is the only one that is formally referred to as a "solar system."

The closest stellar system to our solar system, Alpha Centauri, is one of the brightest stars in the southern skies and is only 4.3 light-years away.

Learn more about Solar system here:

brainly.com/question/1286910

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2 years ago

If velocity is 0.2m/s, what is the kinetic energy?

Natalija [7]

$\huge\boxed{♧ \: \mathfrak{ \underline{Answer} \: ♧}}$