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2 years ago

Which value is equivalent to 178 centimeters?

Physics

2 answers:

guapka [62]2 years ago

7 0

I need more information to answer this, please provide

Klio2033 [76]2 years ago

7 0

Answer:

Explanation:

We don't know what you want the 178cm has to be equla to

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A person sitting on a pier observes incoming waves that have a sinusoidal form with a distance of 2.5 m between the crests. Of a

Doss [256]

Answer:

Part(a): The frequency is $\bf{0.2~Hz}$ .

Part(b): The speed of the wave is $\bf{0.5~m/s}$ .

Explanation:

Given:

The distance between the crests of the wave, $d = 2.5~m$ .

The time required for the wave to laps against the pier, $t = 5.0~s$

The distance between any two crests of a wave is known as the wavelength of the wave. So the wavelength of the wave is $\lambda = 2.5~m$ .

Also, the time required for the wave for each laps is the time period of oscillation and it is given by $T = 5.0~s$ .

Part(a):

The relation between the frequency and time period is given by

$\nu = \dfrac{1}{T}~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(1)$

Substituting the value of $T$ in equation (1), we have

$\nu &=& \dfrac{1}{5.0~s}\\~~~&=& 0.2~Hz$

Part(b):

The relation between the velocity of a wave to its frequency is given by

$v = \nu \lambda~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(2)$

Substituting the value of $\nu$ and $\lambda$ in equation (2), we have

$v &=& (0.2~Hz)(2.5~m)\\~~~&=& 0.5~m/s$

5 0

2 years ago

A typical amplitude for the ripples formed when a pebble is dropped in a

Vadim26 [7]

Answer:

0.005 meters

Explanation:

1 meter = 100 cm

Which means you get meter by this equation

$meter = cm \div 100$

Therefore the answer is

$0.5 \div 100 = 0.005$

6 0

2 years ago

If you could fit 2.5 equal potatoes across the pan in one direction and 5 of the same potatoes in the other direction,how big ar

Ulleksa [173]

The length of the potatoes is (0.4) x (the length of the pan).

The width of the potatoes is (0.2) x (the width of the pan).

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3 years ago

Which of the following describes a substance in the gaseous physical state?

GenaCL600 [577]

Answer:

(D) all of the above

Explanation:

The molecules in a gas interact weakly with each other, without forming molecular bonds, because of this its highly compressible. A gas adopt the shape and volume of the recipient that contains them and tend to expand, due to the high amount of kinetic energy of their molecules.

6 0

2 years ago

A VCR that is not playing still uses 10.0 W of power. What is the current if the VCR is plugged into a 120 V electric outlet?

yuradex [85]

Answer:

0.08 ampere

Explanation:

Power = voltage x current

W = v x I

Given

Power = 10.0 w

V = 120v

I = ?

Therefore

10.0 = 120 x I

Divide both sides by by 120

10.0/120 = 120/120 x I

0.08 = I

I = 0.08 ampere

3 0

2 years ago