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4 years ago

What happens when a source of energy causes a medium to vibrate?

Physics

1 answer:

qwelly [4]4 years ago

6 0

Answer:

Explained

Explanation:

Mechanical waves such as sound waves are created when a source of energy causes a medium to vibrate.

Energy vibrating a medium produces a energy wave that are mechanical in nature , which means that they require a medium through which they travel.

Mechanical waves are of two types

1. Transverse, in which crests and troughs are up and down.

2. Longitudinal, with compressions and rarefraction.

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A marble slides without friction in a vertical loop around the inside of a smooth, 28.6 cm diameter horizontal pipe. The marble'

Leviafan [203]

Answer:3.49 m/s

Explanation:

Given

Speed of marble at Bottom $v=4.22 m/s$

Diameter of loop $d=28.6 cm$

As Energy is conserved therefore Energy at top is equal to energy at bottom

$E_T=E_B$

$\frac{mv^2}{2}+mgh=\frac{mv_0^2}{2}$ ,where $v_0$ is the velocity at bottom

$\frac{v^2}{2}+gh=\frac{v_0^2}{2}$

$v_0^2=v^2+2gh$

$v^2=v_0^2-2gh$

$v=\sqrt{v_0^2-2gh}$

$v=\sqrt{4.22^2-2\times 9.8\times 0.286}$

$v=\sqrt{17.8084-5.6056}$

$v=3.49 m/s$

7 0

3 years ago

A network of streams that drains an area of land

cupoosta [38]

Answer:

a water bottle.

Explanation:

a water bottle drains an area of land, just pour a water bottle on a small land on the surface of the earth it'll be called drained.

4 0

2 years ago

Before a rifle is fired, the linear momentum of the bullet-rifle system is zero.

marusya05 [52]

Hi there!

II. Linear momentum of the system is zero.

This is an example of a RECOIL collision. With the Law of Conservation of Momentum, momentum remains constant before and after the collision.

Thus, the total momentum would also be equivalent to zero after the collision.

3 0

3 years ago

Describe what a hydrogen bond is. 6th grade answer

r-ruslan [8.4K]

Answer:

<em>Hydrogen bond is the attractive force between the hydrogen attached electronegative atom </em>

Explanation:

8 0

3 years ago

Once again, move the balloon to the right and let it go. Note how fast the balloon moves. Next, brush the balloon against the en

lilavasa [31]

Answer:

Yes. The balloon moves faster when it has more electrons and the sweater has fewer electrons

Explanation:

From Plato. Hope this helps!

8 0

3 years ago

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