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3 years ago

Which of the following refers to the distance between the successive compression and rarefaction?

Physics

1 answer:

kirza4 [7]3 years ago

3 0

Answer:

The wavelength in a longitudinal wave refers to the distance between two consecutive compressions or between two consecutive rarefactions. The amplitude is the distance from the equilibrium position of the medium to a compression or a rarefaction.

Hope this helps!

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A collector of rare items is negotiating with a museum. He wants to sell a spear he claims to have been

viva [34]

Answer:

I'm not sure if you maybe forgot to add in some information but I can give you the equation you will need to solve this..! (just without the bit of infomration you might need)

$2=4(\frac{1}{2})^{\frac{1100}{t}}$

In this case you'll be solving for t and I can help you with your first step, you'll divide 2 by 4, getting you to:

$\frac{1}{2} =\frac{1}{2}^{\frac{1100}{t}$

5 0

3 years ago

Read 2 more answers

What happens to the electric potential energy of a negatively charged ion as it moves through the water from the negative probe

Nataly [62]

Answer:

Decreases.

Explanation:

Electric potential energy is the potential energy which is associated with the configuration of points charge in a system and it is the result of conservative coulomb force.

When the negatively charge ion is at the position of the negative probe than its potential energy is positive when it is move towards the positive probe it's potential energy becomes negative due to the negative ion.

Therefore, potential energy is decreases when negative charge ion moves through the water from negative probe to positive probe.

5 0

4 years ago

A rock is thrown from a height of 2.0 m at a window that is located 9.0 m above the ground. The initial velocity of the rock is

ELEN [110]

Answer:

The value is $x = 11.81 \ m$

Explanation:

From the question we are told that

The height is h = 2.0 m

The height of the window is $d = 9.0 \ m$

The initial velocity of the rock is $u = 20 \ m/s$

The angle at which it is thrown is $\theta = 40$

Generally the vertical component of the velocity of the stone is mathematically represented as

$v_y = 20 sin (40)$

=> $v_y = 12.86 \ m/s$

Generally the height of the window from the ground is mathematically represented as using kinematic equation as

$d = h + v_yt + \frac{1}{2} gt^2$

=> $9 = 2 +12.86 t + \frac{1}{2} * - 9.8 t^2$

Here g is negative -9.8 m/s^2 because the direction of the stone is against gravity

$4.9 t^2 -12.86 t + 7 =0$

Solving this quadratic equation using quadratic formula we obtain

t = 0.770 s

Generally the velocity of the stone on the x axis is mathematically represented as

$v_x = 20 * cos(40 )$

=> $v_x = 15.32 \ m/s$

Generally the distance between the person throwing the rock and the window is mathematically represented as

$x = v_x * t$

=> $x = 15.32 * 0.771$

=> $x = 11.81 \ m$

8 0

3 years ago

A 1.35 ×103 kg car rounds a circular turn of radius 11.9 m. The acceleration of gravity is 9.81 m/s 2 . If the road is flat and

mihalych1998 [28]

Answer:

velocity = 8.84 m/s

Explanation:

given data

radius r = 11.9 m

acceleration of gravity g = 9.81 m/s²

static friction μ = 0.67

to find out

how fast can the car go without skidding

solution

we get here velocity that is car go without skidding is express as

force = $\frac{mv^2}{r}$

force = μ × mg

μ × mg = $\frac{mv^2}{r}$

v² = μ × r × g

v = $\sqrt{\mu *r*g}$ ..................1

v = $\sqrt{0.67 *11.9*9.81}$

v = 8.84 m/s

velocity = 8.84 m/s

3 0

3 years ago

Imagine that while you and a passenger are in a deep-diving submersible in the North Pacific near Alaska’s Aleutian Islands, you

mamaluj [8]

Answer:

I would say its a deep ocean trench

Explanation:

This is because deep ocean trenches are found at the deepest part of the ocean and also at Pacific ocean margins or Rim where subduction usually occurs and Aleutian islands are part of the Pacific Rim

6 0

3 years ago