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sergiy2304 [10]
3 years ago
13

How is sound different from wind?​

Physics
1 answer:
Mashutka [201]3 years ago
3 0

Answer:

Wind - the perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction. Sound wave - a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

Sound wave travels faster in the air when it is with the wind. ... In contrast, when sound wave travels against the wind, that is, when it travels in the opposite direction with the wind, the speed of sound will be reduced by the wind speed, resulting in a lower speed in the upper region.

Explanation:

please mark me brainliest

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If you want the ball to land in your hand when it comes back down, should you toss the ball straight upward, in a forward direct
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Straight upward

the ball moves in the forward direction with your walking speed at all times. If you want the ball to land in your hand when it comes back down, you should toss the ball straight upward.

<h3>What is Projectile motion ?</h3>

Projectile motion is the motion of an object thrown (projected) into the air.

  • After the initial force that launches the object, it only experiences the force of gravity. The object is called a projectile, and its path is called its trajectory

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Learn more about Projectile motion here:

brainly.com/question/27116954

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7 0
2 years ago
At what height h above the ground does the projectile have a speed of 0.5v?
maw [93]

Answer:

h=\dfrac{3v^2}{8g}

Explanation:

It is given that,

Speed of the projectile is 0.5 v. Let h is the height above the ground. Using the first equation of motion to find it.

v=u+at

v=u-gt

Initial speed of the projectile is v and final speed is 0.5 v.

0.5v=v-gt

t=\dfrac{v}{2g}

g is the acceleration due to gravity

Let h is the height above the ground. Using the second equation of motion as :

h=vt-\dfrac{1}{2}gt^2

h=v\dfrac{v}{2g}-\dfrac{1}{2}g(\dfrac{v}{2g})^2

h=\dfrac{3v^2}{8g}

So, the height of the projectile above the ground is \dfrac{3v^2}{8g}. Hence, this is the required solution.

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