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3 years ago

Light of a certain wavelength passes through

Physics

1 answer:

jeyben [28]3 years ago

7 0

Answer:

osm that is ha answer ok 09.00

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A runner leaves point A and sprints to B then to C and finally to D. What is the runners Displacement?

melamori03 [73]

Displacement = -5-55+55+95=90 yds

4 0

3 years ago

Why is mathematics important to science?

bearhunter [10]

Mathematics is important to science because when scientific findings in nature are expressed mathematically, they are easier to verify or disprove by experiment. Without mathematics we would ultimately have no nice way of understanding or analyzing the relationships between quantities we observe and measure.

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4 years ago

Earthquakes are more prevalent along fault lines A. true B. false

Umnica [9.8K]

A. True, for example there are more earthquakes in California because of the St. Andreas fault

8 0

3 years ago

El tubo de entrada que suministra presión de aire para operar un gato hidráulico tiene 2 cm de diámetro. El pistón de salida es

Bess [88]

Answer:

La presión neumática para levantar un automóvil de 17,640 newtons es 220,500 pascales.

Explanation:

Asumiendo que la presión ( $P$ ), medida en pascales, tiene una distribución uniforme sobre la superficie del pistón, se calcula a partir de la siguiente expresion:

$P = \frac{F}{A}$

Donde:

$F$ - Fuerza motriz, medida en newtons.

$A$ - Área del pistón, medida en metros cuadrados.

La fuerza motriz es equivalente al peso del automóvil. El área del pistón ( $A$ ), medido en metros cuadrados, es determinado por:

$A=\frac{\pi}{4}\cdot D^{2}$

Donde $D$ es el diámetro del pistón, medido en metros.

Si $D = 0.32\,m$ y $F =17,640\,N$ , entonces la presión neumática es:

$A = \frac{\pi}{4}\cdot (0.32\,m)^{2}$

$A \approx 0.080\,m^{2}$

$P = \frac{17,640\,N}{0.080\,m^{2}}$

$P = 220,500\,Pa$

La presión neumática para levantar un automóvil de 17,640 newtons es 220,500 pascales.

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3 years ago

Select the choice that best completes the following sentence. When an axe is used to chop wood, A. the axe blade acts as a wedge

Firdavs [7]

Answer: C

An axe is a mechanical device with two inclined planes, thick at one end and tapers to a thin edge and when it is used to chop wood, the axe blade acts as a wedge and changes the direction of the input force. When the axe blade penetrates the wood, a portion of the downward force of the blade is changed to sideways forces, which are perpendicular to each external of the blade and the sideways forces cause the wood to split in contrasting directions.

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4 years ago